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Cheap flights from Great Falls (GTF) to Chicago (CHI) from $109

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 9/11. 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.
GTF — CHI
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
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Cheap flight deals from Great Falls to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 29, 2024.

Popular in

May

Cheapest in

January

Round-trip from

$222

One-way from

$109
High demand for flights, 41% potential price rise
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Best time to find cheap flights, 42% potential price drop
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From Great Falls to Chicago (CHI)
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One-way flight from Great Falls to Chicago (CHI)
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What is the cheapest day to fly round-trip from Great Falls to Chicago?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 227% when planning your travel around this day of the week.

What is the cheapest month to fly from Great Falls to Chicago?

Flights from Great Falls to Chicago lean towards being more expensive in May. Prices are generally better when you fly from Great Falls to Chicago in January, with the cheapest ticket starting at $217.

When is the cheapest time to fly from Great Falls to Chicago (GTF - CHI)?

It’s typically best to fly out from Great Falls to Chicago in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Delta flights from Great Falls to Chicago

Explore cheap flight options specifically provided by Delta for the route between Great Falls and Chicago. 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 2,696,634 searches. Data last updated May 29, 2024.
Consider these cheap Delta flights we've found departing from Great Falls to Chicago. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 9/1712:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/233:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/28$218
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/28$223
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/27$228
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 5/27$238
Tue 9/1712:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 9/2411:19 amORD - GTF
2 stops12h 18mDelta
Deal found 5/28$243
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 5/28$273
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/28$283
Sat 9/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/301:35 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/27$328
Sat 9/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/301:35 pmORD - GTF
2 stops10h 16mDelta
Deal found 5/28$333

Cheap United Airlines flights from Great Falls to Chicago

Explore cheap flight options specifically provided by United Airlines for the route between Great Falls and Chicago. 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 2,696,634 searches. Data last updated May 29, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Great Falls to Chicago. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 9/202:30 pmGTF - ORD
1 stop7h 27mUnited Airlines
Sun 9/227:10 amORD - GTF
1 stop7h 16mUnited Airlines
Deal found 5/26$258
Mon 9/162:25 pmGTF - ORD
1 stop7h 32mUnited Airlines
Mon 9/232:30 pmORD - GTF
1 stop7h 47mUnited Airlines
Deal found 5/28$402
Wed 6/262:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Tue 7/25:16 amORD - GTF
1 stop17h 02mUnited Airlines
Deal found 5/27$412
Wed 6/262:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Mon 7/13:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Deal found 5/27$413
Fri 6/282:15 pmGTF - ORD
1 stop7h 40mUnited Airlines
Mon 7/18:45 amORD - GTF
1 stop13h 33mUnited Airlines
Deal found 5/27$452
Sat 7/137:00 amGTF - ORD
1 stop5h 15mUnited Airlines
Sun 7/145:12 amORD - GTF
1 stop17h 06mUnited Airlines
Deal found 5/27$461
Wed 6/262:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Wed 7/35:16 amORD - GTF
1 stop9h 02mUnited Airlines
Deal found 5/27$466
Fri 6/282:15 pmGTF - ORD
1 stop7h 40mUnited Airlines
Wed 7/33:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Deal found 5/27$473
Sun 6/22:17 pmGTF - ORD
1 stop5h 47mUnited Airlines
Sat 6/158:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 5/28$479

Cheap Great Falls to Chicago flights in May & June 2024

Find cheap flight options from Great Falls to Chicago specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 29, 2024.
Scroll through some of the best deals on flights from Great Falls to Chicago in 2024. Check back regularly for other flight deals.
Tue 5/2812:00 pmGTF - ORD
1 stop5h 24mDelta
Sat 6/1512:35 pmORD - GTF
1 stop5h 18mDelta
Deal found 5/28$353
Wed 5/295:45 amGTF - ORD
2 stops7h 57mDelta
Sat 6/1512:35 pmORD - GTF
1 stop5h 18mDelta
Deal found 5/28$358
Wed 5/296:00 amGTF - MDW
1 stop6h 35mDelta
Sat 6/1512:07 pmMDW - GTF
1 stop5h 46mDelta
Deal found 5/28$388
Wed 5/296:00 amGTF - MDW
1 stop6h 35mDelta
Mon 6/107:19 pmMDW - GTF
1 stop4h 54mDelta
Deal found 5/28$398
Wed 5/296:00 amGTF - MDW
1 stop6h 35mDelta
Mon 6/102:24 pmMDW - GTF
2 stops9h 24mDelta
Deal found 5/28$403
Tue 5/2812:00 pmGTF - ORD
1 stop5h 24mDelta
Mon 6/103:55 pmORD - GTF
2 stops7h 53mDelta
Deal found 5/28$403
Wed 5/295:45 amGTF - ORD
2 stops7h 57mDelta
Mon 6/103:55 pmORD - GTF
2 stops7h 53mDelta
Deal found 5/28$408
Sat 6/14:06 pmGTF - ORD
1 stop6h 43mAlaska Airlines
Sat 6/153:10 pmORD - GTF
1 stop9h 49mAlaska Airlines
Deal found 5/28$440
Wed 5/297:00 amGTF - ORD
1 stop6h 50mAlaska Airlines
Mon 6/105:28 pmORD - GTF
1 stop7h 27mAlaska Airlines
Deal found 5/28$450

Great Falls to Chicago 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and Chicago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Scroll through some of the best deals on flights from Great Falls to Chicago in 2024. Check back regularly for other flight deals.
Tue 9/1712:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/233:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/28$218
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/29$223
Tue 9/1712:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 9/2411:19 amORD - GTF
2 stops12h 18mDelta
Deal found 5/28$243
Thu 8/226:00 amGTF - MDW
1 stop6h 43mDelta
Mon 8/267:20 pmMDW - GTF
1 stop4h 57mDelta
Deal found 5/28$273
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 5/29$273
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/29$283
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/305:54 pmORD - GTF
1 stop7h 05mAlaska Airlines
Deal found 5/28$303
Sat 9/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/301:35 pmORD - GTF
2 stops10h 16mDelta
Deal found 5/28$333
Tue 9/1712:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/231:35 pmORD - GTF
2 stops10h 16mDelta
Deal found 5/28$348

Great Falls to Chicago flights leaving soon

Find last-minute flight options from Great Falls to Chicago 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 2,696,634 searches. Data last updated May 29, 2024.
Consider one of these great deals we found on last-minute flights from Great Falls to Chicago. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 6/26:00 amGTF - MDW
1 stop6h 35mDelta
Sat 6/1512:07 pmMDW - GTF
1 stop5h 46mDelta
Deal found 5/28$388
Sun 6/26:00 amGTF - MDW
1 stop6h 35mDelta
Mon 6/107:19 pmMDW - GTF
1 stop4h 54mDelta
Deal found 5/28$398
Sun 6/26:00 amGTF - MDW
1 stop6h 35mDelta
Mon 6/102:24 pmMDW - GTF
2 stops9h 24mDelta
Deal found 5/28$403
Sun 6/26:00 amGTF - ORD
1 stop4h 25mDelta
Sat 6/1512:35 pmORD - GTF
1 stop5h 18mDelta
Deal found 5/28$473
Sun 6/26:00 amGTF - ORD
1 stop7h 42mDelta
Mon 6/1012:35 pmORD - GTF
2 stops11h 13mDelta
Deal found 5/28$475
Sun 6/22:17 pmGTF - ORD
1 stop5h 47mUnited Airlines
Sat 6/158:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 5/28$479
Sun 6/22:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Tue 6/117:10 amORD - GTF
1 stop7h 08mUnited Airlines
Deal found 5/28$488
Sun 6/26:00 amGTF - MDW
1 stop6h 35mDelta
Thu 6/137:19 pmMDW - GTF
1 stop4h 54mDelta
Deal found 5/28$568
Sun 6/24:06 pmGTF - ORD
1 stop6h 43mAlaska Airlines
Mon 6/105:28 pmORD - GTF
1 stop7h 27mAlaska Airlines
Deal found 5/28$583

One-way flights to Chicago from Great Falls

Search for one-way flight options from Great Falls to Chicago. 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 2,696,634 searches. Data last updated May 29, 2024.
If you're seeking multiple options on one-way flights from Great Falls to Chicago, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Great Falls to Chicago instead should update the search form at the top of page.
Wed 9/115:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/27$109
Tue 9/1012:30 pmGTF - ORD
1 stop8h 17mDelta
Deal found 5/27$109
Wed 9/1112:30 pmGTF - ORD
1 stop8h 17mDelta
Deal found 5/27$174
Thu 9/125:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/27$204
Thu 9/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Deal found 5/27$204
Thu 9/127:00 amGTF - ORD
2 stops32h 15mAlaska Airlines
Deal found 5/27$223
Tue 9/105:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/27$234
Wed 9/114:31 pmGTF - ORD
2 stops46h 44mAlaska Airlines
Deal found 5/27$253
Tue 9/104:31 pmGTF - ORD
2 stops22h 44mAlaska Airlines
Deal found 5/27$262

Find flights from Great Falls to Chicago within your budget

Customize your flight search to find flights from Great Falls to Chicago 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 2,696,634 searches. Data last updated May 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $316

Route

Depart

Return

Price

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Tue 9/17

1 stop8h 17m

Chicago O'Hare Intl

Mon 9/23

1 stop8h 01m

$218

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 44m

Chicago O'Hare Intl

Mon 8/26

2 stops10h 02m

$223

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

2 stops12h 15m

Chicago O'Hare Intl

Mon 8/26

2 stops10h 02m

$228

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 44m

Chicago O'Hare Intl

Mon 8/26

1 stop7h 02m

$238

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Tue 9/17

1 stop8h 17m

Chicago O'Hare Intl

Tue 9/24

2 stops12h 18m

$243

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Fri 9/20

1 stop7h 27m

Chicago O'Hare Intl

Sun 9/22

1 stop7h 16m

$258

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 9/16

1 stop11h 09m

Chicago O'Hare Intl

Tue 9/24

2 stops10h 28m

$281

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

1 stop6h 51m

Chicago O'Hare Intl

Wed 10/30

1 stop7h 05m

$303

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

2 stops23h 40m

Chicago O'Hare Intl

Wed 10/30

1 stop7h 05m

$316

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time to fly from Great Falls to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Great Falls to Chicago. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Great Falls to Chicago flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Great Falls to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Great Falls 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.

Temperature and rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated May 29, 2024.
Get a feel of what it's like to fly with Delta, United Airlines and Alaska Airlines from Great Falls to Chicago by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

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
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

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 Great Falls to Chicago. 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 Great Falls to Chicago?

    For a flight from Great Falls to Chicago, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city. Great Falls is the only Great Falls airport and it handles 0 outbound flights to Chicago per day. 2 airlines have flights to Chicago from Great Falls on a regular basis.

  • Can I find flights from Great Falls to Chicago for under $300 on Cheapflights?

    Yes, there are multiple flights from Great Falls to Chicago for under $300. The cheapest flight booked recently is on Delta for just $218, but on average you can expect to pay $296.

  • Are there last-minute flights available from Great Falls to Chicago for under $400?

    There are currently 20+ open flights from Great Falls to Chicago within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Great Falls to Chicago round-trip?

    Cheapflights users have booked flights from Great Falls to Chicago round-trip from $218. Other airlines that can offer you cheap pricing are United Airlines, from $258, and Alaska Airlines, from $281. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest flights from Great Falls to Chicago?

    On average you can expect to pay $513 for a flight from Great Falls to Chicago. The cheapest flight overall is $268 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $223.

  • What does GTF to ORD mean?

    Great Falls Airport is GTF and Chicago O'Hare Intl Airport is ORD. 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. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Great Falls to Chicago that include extra baggage allowance?

    The amount of baggage you can bring on your Great Falls to Chicago 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 Great Falls to Chicago with specific airlines?

    Yes, Cheapflights allows you to browse and filter Great Falls to Chicago 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 Great Falls to Chicago that include hotel bookings?

    Yes. In addition to deals on Great Falls to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Chicago.

  • Can I find deals for business class flights from Great Falls to Chicago?

    Yes. Cheapflights offers flight deals from Great Falls to Chicago 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 Great Falls to Chicago that allow pets onboard?

    Many airlines flying from Great Falls to Chicago 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 Great Falls to Chicago?

    Yes, you can often find last-minute deals on Great Falls to Chicago 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 Great Falls to Chicago flight deals updated?

    The Great Falls to Chicago flight deals you see on this page were last updated on 5/29.

  • When is the best time to book a flight from Great Falls to Chicago?

    Currently, February is the cheapest month in which you can book a flight from Great Falls to Chicago (average of $244). Flying from Great Falls to Chicago in June is currently the most expensive (average of $326). 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

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Alternative routes for Great Falls to Chicago
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Great Falls to Chicago

Discover the top 2 airlines that operate flights from Great Falls to Chicago. 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 2,696,634 searches. Data last updated May 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$307FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$217Average$374FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Great Falls to Chicago by cabin class

Find flights from Great Falls to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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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 Great Falls to Chicago?

When you search for this flight from Great Falls to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Great Falls to Chicago?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Chicago from Great Falls.

Can Cheapflights find flights from Great Falls to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Great Falls to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Great Falls to Chicago become cheaper?

Not ready to book yet? You can track prices for flights from Great Falls to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.

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