HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Colorado from $39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — DEN
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from St. Louis to Colorado?

To save on the cost of your flight from St. Louis to Colorado, book at least 28 days before your planned departure. Booking around this time can save you about 68% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $134 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $281.

What is the cheapest month to fly from St. Louis to Colorado?

Flights from St. Louis to Colorado lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to Colorado in October, with the cheapest ticket starting at $40.

What is the cheapest time of day to fly from STL to CO?

When flying from St. Louis to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from St. Louis to Colorado

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Peruse some of the lowest-priced Frontier flights we've found from St. Louis to Colorado. It's recommended that users confirm their flight details before booking.
Tue 6/113:47 pmSTL - DEN
Nonstop2h 29mFrontier
Sat 6/156:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$61
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$68
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Tue 7/1611:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 5/31$72
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Mon 7/16:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$78
Thu 7/118:57 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$81
Mon 7/157:51 pmSTL - DEN
Nonstop2h 22mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$82
Wed 7/178:02 pmSTL - DEN
Nonstop2h 23mFrontier
Sat 7/206:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$84
Thu 6/133:32 pmSTL - DEN
Nonstop2h 29mFrontier
Thu 6/2011:24 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$86
Mon 6/248:22 pmSTL - DEN
Nonstop2h 30mFrontier
Wed 6/266:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$88

Cheap United Airlines flights from St. Louis to Colorado

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Colorado. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 8/224:51 pmSTL - DEN
Nonstop2h 23mUnited Airlines
Sun 8/259:40 amDEN - STL
Nonstop2h 03mUnited Airlines
Deal found 6/1$237
Sat 7/135:30 pmSTL - DEN
1 stop6h 22mUnited Airlines
Sat 7/206:10 amDEN - STL
1 stop7h 26mUnited Airlines
Deal found 6/1$252
Mon 7/15:30 pmSTL - COS
2 stops7h 29mUnited Airlines
Thu 7/45:30 amCOS - STL
2 stops9h 10mUnited Airlines
Deal found 6/1$326
Tue 6/119:05 amSTL - DEN
Nonstop2h 24mUnited Airlines
Tue 6/113:40 pmDEN - STL
1 stop5h 35mUnited Airlines
Deal found 6/1$377
Sat 6/86:30 amSTL - DEN
2 stops10h 53mUnited Airlines
Sat 6/156:00 amDEN - STL
1 stop7h 16mUnited Airlines
Deal found 6/1$437
Tue 6/119:05 amSTL - DEN
Nonstop2h 24mUnited Airlines
Tue 6/115:40 pmDEN - STL
Nonstop2h 09mUnited Airlines
Deal found 6/1$447
Sat 6/86:30 amSTL - DEN
2 stops10h 53mUnited Airlines
Wed 6/196:00 amDEN - STL
1 stop7h 14mUnited Airlines
Deal found 6/1$462
Sat 6/86:30 amSTL - DEN
2 stops10h 53mUnited Airlines
Sun 6/167:45 amDEN - STL
1 stop7h 40mUnited Airlines
Deal found 6/1$517
Tue 6/119:05 amSTL - DEN
Nonstop2h 24mUnited Airlines
Tue 6/111:25 pmDEN - STL
Nonstop2h 04mUnited Airlines
Deal found 5/31$667

Cheap St. Louis to Colorado flights in June & July 2024

Find cheap flight options from St. Louis to Colorado specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in June and July 2024. For more flight deals, be sure to check back very soon.
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Mon 7/16:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$78
Thu 6/133:32 pmSTL - DEN
Nonstop2h 29mFrontier
Thu 6/2011:24 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$86
Mon 6/248:22 pmSTL - DEN
Nonstop2h 30mFrontier
Wed 6/266:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$88
Wed 6/198:02 pmSTL - DEN
Nonstop2h 30mFrontier
Fri 6/216:31 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$97
Thu 6/133:32 pmSTL - DEN
Nonstop2h 29mFrontier
Sun 6/1611:29 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$106
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sun 6/1611:29 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$108
Mon 6/248:22 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 6/296:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$111
Mon 6/178:22 pmSTL - DEN
Nonstop2h 30mFrontier
Sat 6/226:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$118
Mon 6/248:22 pmSTL - DEN
Nonstop2h 30mFrontier
Fri 6/286:31 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$122

St. Louis to Colorado 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Colorado in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Colorado in June and July 2024. For more flight deals, be sure to check back very soon.
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$68
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Tue 7/1611:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 5/31$72
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Mon 7/16:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$78
Thu 7/118:57 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$81
Mon 7/157:51 pmSTL - DEN
Nonstop2h 22mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$82
Wed 7/178:02 pmSTL - DEN
Nonstop2h 23mFrontier
Sat 7/206:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$84
Thu 6/133:32 pmSTL - DEN
Nonstop2h 29mFrontier
Thu 6/2011:24 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$86
Mon 6/248:22 pmSTL - DEN
Nonstop2h 30mFrontier
Wed 6/266:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$88
Tue 8/2010:32 pmSTL - DEN
Nonstop2h 29mFrontier
Thu 8/2911:46 amDEN - STL
Nonstop2h 07mFrontier
Deal found 6/1$90

Non-stop flights to Colorado from St. Louis

Discover non-stop flight options from St. Louis to Colorado. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Consider booking one of these non-stop flights heading from St. Louis to Colorado. Those looking to potentially save on 1 or 2-stop flights from St. Louis to Colorado should utilize the search form at the the top of the page.
Wed 6/128:02 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 6/1811:39 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/2$58
Wed 6/128:02 pmSTL - DEN
Nonstop2h 30mFrontier
Wed 6/196:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$61
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$68
Sat 7/138:02 pmSTL - DEN
Nonstop2h 23mFrontier
Tue 7/1611:41 amDEN - STL
Nonstop2h 06mFrontier
Deal found 5/31$72
Wed 6/268:02 pmSTL - DEN
Nonstop2h 30mFrontier
Mon 7/16:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$78
Thu 7/118:57 pmSTL - DEN
Nonstop2h 23mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$81
Mon 7/157:51 pmSTL - DEN
Nonstop2h 22mFrontier
Wed 7/176:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 5/31$82
Wed 7/178:02 pmSTL - DEN
Nonstop2h 23mFrontier
Sat 7/206:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 6/1$84
Thu 6/133:32 pmSTL - DEN
Nonstop2h 29mFrontier
Thu 6/2011:24 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$86

St. Louis to Colorado flights leaving soon

Find last-minute flight options from St. Louis to Colorado for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Colorado. Users should be sure to double check the price, date, and time of their last-minute flight.
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sun 6/911:29 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$99
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sun 6/1611:29 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$108
Sat 6/87:29 pmSTL - DEN
1 stop9h 39mFrontier
Sat 6/156:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$126
Wed 6/127:29 pmSTL - DEN
1 stop9h 36mFrontier
Wed 6/196:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$128
Fri 6/75:36 pmSTL - DEN
Nonstop2h 24mFrontier
Sun 6/911:29 amDEN - STL
Nonstop2h 08mFrontier
Deal found 6/1$129
Tue 6/117:29 pmSTL - DEN
1 stop25h 35mFrontier
Sat 6/156:20 amDEN - STL
Nonstop2h 09mFrontier
Deal found 6/1$131
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Sun 6/912:48 amDEN - STL
1 stop29h 19mFrontier
Deal found 6/1$132
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Mon 6/106:00 amDEN - STL
2 stops14h 59mFrontier
Deal found 6/1$137
Sat 6/88:02 pmSTL - DEN
Nonstop2h 30mFrontier
Fri 6/1412:48 amDEN - STL
1 stop29h 19mFrontier
Deal found 6/1$158

One-way flights to Colorado from St. Louis

Search for one-way flight options from St. Louis to Colorado. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Colorado, be sure to check out these deals, which are updated often. Those seeking round-trip flights from St. Louis to Colorado should utilize the search form at the the top of the page.
Sat 8/178:00 pmSTL - DEN
Nonstop2h 28mFrontier
Deal found 6/1$39
Mon 7/18:22 pmSTL - DEN
Nonstop2h 30mFrontier
Deal found 6/1$49
Fri 8/25:19 pmSTL - DEN
Nonstop2h 18mFrontier
Deal found 6/1$51
Wed 7/38:02 pmSTL - DEN
Nonstop2h 30mFrontier
Deal found 6/1$55
Fri 6/75:36 pmSTL - DEN
Nonstop2h 24mFrontier
Deal found 5/31$58
Thu 8/18:57 pmSTL - DEN
Nonstop2h 23mFrontier
Deal found 6/1$60
Fri 6/145:36 pmSTL - DEN
Nonstop2h 24mFrontier
Deal found 6/1$69
Mon 9/28:00 pmSTL - DEN
Nonstop2h 28mFrontier
Deal found 6/1$70
Sat 8/175:30 pmSTL - DEN
1 stop6h 22mUnited Airlines
Deal found 6/1$74

Find flights from St. Louis to Colorado within your budget

Customize your flight search to find flights from St. Louis to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$61 - $237

Route

Depart

Return

Price

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 6/11

Nonstop2h 29m

Denver Intl

Sat 6/15

Nonstop2h 09m

$61

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 7/13

Nonstop2h 23m

Denver Intl

Wed 7/17

Nonstop2h 10m

$68

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Sat 7/13

Nonstop2h 23m

Denver Intl

Tue 7/16

Nonstop2h 06m

$72

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 6/26

Nonstop2h 30m

Denver Intl

Mon 7/1

Nonstop2h 09m

$78

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Thu 7/11

Nonstop2h 23m

Denver Intl

Wed 7/17

Nonstop2h 10m

$81

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Mon 8/5

Nonstop2h 22m

Denver Intl

Fri 8/9

1 stop6h 31m

$157

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Tue 7/9

1 stop5h 14m

Denver Intl

Fri 7/12

1 stop7h 39m

$176

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Fri 7/5

1 stop8h 25m

Denver Intl

Sat 7/13

1 stop22h 59m

$235

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Thu 8/22

Nonstop2h 23m

Denver Intl

Sun 8/25

Nonstop2h 03m

$237

Flights are sorted by cheapest first

Deals found on 6/1

No data available for this route at this time. Please check back soon.

Best time to book a flight from St. Louis to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated June 2, 2024.
Read through reviews of airlines operating flights from St. Louis to Colorado, such as Frontier, United Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Sun Country Air
7.2
Good
592 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Colorado?

    For a flight from St. Louis to Colorado, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to Colorado for under $100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Colorado for under $100. The cheapest flight booked recently is on Frontier for just $61, but on average you can expect to pay $88.

  • Are there nonstop flights from St. Louis to Colorado for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Colorado under $100. A good price for a nonstop flight from St. Louis to Colorado is less than $85.

  • Are there last-minute flights available from St. Louis to Colorado for under $100?

    There are currently 20+ open flights from St. Louis to Colorado within the next 7 days for less than $100.

  • What days are nonstop flights available from St. Louis to Colorado?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Thursday.

  • How popular is this St. Louis to Colorado flight route?

    This flight path from Lambert-St Louis to Colorado was viewed by 219 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from St. Louis to Colorado on average per day?

    7 flight departures from St. Louis to Colorado per day on average.
    Early Morning (Midnight to 6am) - 14% of flight departures
    Morning (6am - Noon) - 14% of flight departures
    Afternoon (Noon - 6pm) - 57% of flight departures
    Evening (6pm - Midnight) - 14% of flight departures

  • How long is the flight from St. Louis to Colorado?

    Airlines like Frontier fly from St. Louis to Colorado in about 2h 29m. The time it takes to get you to your destination is usually consistent. The distance between St. Louis and Colorado is about 772 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from St. Louis to Colorado one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $74 and $88 on United Airlines and Delta, respectively.

  • What are the most popular routes from St. Louis to Colorado?

    When deciding which route to take from St. Louis to Colorado consider Lambert-St Louis - Denver Intl, Lambert-St Louis - Colorado Springs or Lambert-St Louis - Durango La Plata County as they are the most popular.

  • What are the most reliable airlines from St. Louis to Colorado?

    The top 3 most reliable airlines when flying from St. Louis to Colorado are Southwest (75%), Air Canada (71%) and Frontier (71%).

  • What are the cheapest flights from St. Louis to Colorado?

    The cheapest flight price from St. Louis to Colorado is $45. On average you can expect to pay $645. The most popular route, (Lambert-St Louis - Denver Intl), can usually be booked for $66.

  • What does STL to DEN mean?

    Lambert-St Louis Airport is STL and Denver Intl Airport is DEN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Colorado Springs Airport (COS), Grand Junction Regnl Airport (GJT), Durango La Plata County Airport (DRO), Aspen Pitkin County Airport (ASE), Montrose County Airport (MTJ) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Colorado that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Colorado flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Colorado with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Colorado flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Colorado that include hotel bookings?

    Yes. In addition to deals on St. Louis to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Colorado.

  • Can I find deals for business class flights from St. Louis to Colorado?

    Yes. Cheapflights offers flight deals from St. Louis to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Colorado that allow pets onboard?

    Many airlines flying from St. Louis to Colorado offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Colorado?

    Yes, you can often find last-minute deals on St. Louis to Colorado flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Colorado flight deals updated?

    The St. Louis to Colorado flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from St. Louis to Colorado?

    The most popular airlines flying from St. Louis to Colorado are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from St. Louis to Colorado?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Colorado (average of $192). Flying from St. Louis to Colorado in July is currently the most expensive (average of $272). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Colorado
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Seattle flights
St. Louis to Seattle flights
St. Louis to Las Vegas flights
St. Louis to Denver flights
St. Louis to LaGuardia flights
Kansas City to O'Hare Intl flights
Kansas City to LaGuardia flights
Kansas City to Las Vegas flights
Kansas City to Orlando flights
Kansas City to John F Kennedy Intl flights
Kansas City to Los Angeles flights
St. Louis to Miami flights
Kansas City to Denver flights
St. Louis to Los Angeles flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Orlando flights
Kansas City to Newark flights
Kansas City to Miami flights
St. Louis to John F Kennedy Intl flights
Kansas City to Boston flights
St. Louis to Hobby flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Hobby flights
Kansas City to Atlanta flights
St. Louis to Newark flights
St. Louis to Dulles Intl flights
Kansas City to Dulles Intl flights
Kansas City to Minneapolis flights
St. Louis to Boston flights
Kansas City to Reagan-National flights
St. Louis to George Bush Intcntl flights
Kansas City to Salt Lake City flights
St. Louis to Reagan-National flights
Kansas City to Portland flights
St. Louis to Charlotte flights
Kansas City to Philadelphia flights
Kansas City to George Bush Intcntl flights
Kansas City to Ontario flights
St. Louis to Fort Lauderdale flights
St. Louis to O'Hare Intl flights
Kansas City to Honolulu flights
Kansas City to San Francisco flights
Kansas City to San Diego flights
Kansas City to Midway flights
Kansas City to Fort Lauderdale flights
St. Louis to Atlanta flights
Kansas City to Burbank flights
St. Louis to Ontario flights
St. Louis to Sky Harbor Intl flights
Kansas City to Tampa flights

Top 4 airlines flying from St. Louis to Colorado

Discover the top 4 airlines that operate flights from St. Louis to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$122FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$119Average$521FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$193Average$459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$194Average$259FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Minneapolis to Hawaii flights
Newark Airport to Atlanta flights
Miami to Barcelona flights
New York to West Palm Beach flights
Atlanta to Nashville flights
Austin to Los Angeles flights
Denver to Seattle flights
New York to Houston flights
Los Angeles to Dallas flights
USA to China flights
Los Angeles to Tokyo flights
St. Louis to Connecticut flights

Search flights from St. Louis to Colorado by cabin class

Find flights from St. Louis to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from St. Louis to Colorado

Find hourly flight availability from St. Louis to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 2, 2024.
3%of flight departuresEarly morningMidnight to 6 am
24%of flight departuresMorning6 am to noon
65%of flight departuresAfternoonNoon to 6 pm
8%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Colorado?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Colorado from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Colorado?

Cheapflights helps you find that perfect flight to Colorado from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Colorado with no change fees?

Yes, we can. To see specific flights from St. Louis to Colorado with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Colorado become cheaper?

Yes! Start tracking prices for St. Louis to Colorado flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines