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Cheap flights from St. Louis (STL) to Toronto (YTO) from $132

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 6/8. 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 — YTO
May 24 — May 311
From?
To?
Fri 5/24
Fri 5/31
1 adult, Economy
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The best prices from Lambert-St Louis to Toronto are usually found in March or April, booked 80 days in advance, depart on a Sunday or Thursday and return on a Monday

Cheap flight deals from St. Louis to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Toronto (YTO). 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 19, 2024.

Popular in

February

Cheapest in

March

Average price

$262

Round-trip from

$248
High demand for flights, 44% potential price rise
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Best time to find cheap flights, 41% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Toronto (YTO)
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What is the cheapest day to fly round-trip from St. Louis to Toronto?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 112% on your flight compared to booking on days when demand is much higher.

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

To save up to 128% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Toronto from $259 1-2 weeks out and tickets from $473 for flights departing within the next 72 hours.

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

March can be a great time to fly to Toronto from St. Louis with a flight ticket averaging about $364. Cheapflights users have found deals in the month of March for as cheap as $176. The most expensive prices can be found in the month of February.

When is the cheapest time to fly from St. Louis to Toronto (STL - YTO)?

It’s typically best to fly out from St. Louis to Toronto at noon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from St. Louis to Toronto

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Toronto. 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 2,634,509 searches. Data last updated May 19, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from St. Louis to Toronto. Make sure to double check the flight details before booking.
Sat 6/156:06 amSTL - YYZ
1 stop4h 32mDelta
Tue 6/186:25 amYYZ - STL
1 stop9h 05mDelta
Deal found 5/17$455
Thu 6/67:00 amSTL - YYZ
1 stop8h 49mDelta
Mon 6/1011:37 amYYZ - STL
1 stop7h 24mDelta
Deal found 5/17$468
Sat 6/156:06 amSTL - YYZ
1 stop4h 32mDelta
Tue 6/186:49 pmYYZ - STL
1 stop14h 51mDelta
Deal found 5/18$501
Mon 6/243:10 pmSTL - YYZ
1 stop6h 38mDelta
Thu 6/271:25 pmYYZ - STL
1 stop5h 36mDelta
Deal found 5/18$513
Thu 6/277:15 amSTL - YYZ
1 stop8h 29mDelta
Mon 7/110:15 amYYZ - STL
1 stop8h 56mDelta
Deal found 5/18$516
Sat 7/136:30 amSTL - YYZ
1 stop3h 59mDelta
Fri 7/1910:16 amYYZ - STL
2 stops11h 20mDelta
Deal found 5/18$553
Thu 5/306:30 amSTL - YYZ
1 stop3h 59mDelta
Thu 6/62:14 pmYYZ - STL
1 stop7h 47mDelta
Deal found 5/18$554
Thu 8/15:26 pmSTL - YYZ
1 stop5h 31mDelta
Mon 8/52:15 pmYYZ - STL
1 stop7h 51mDelta
Deal found 5/18$560
Thu 5/305:02 pmSTL - YYZ
1 stop5h 55mDelta
Thu 6/66:30 amYYZ - STL
2 stops11h 52mDelta
Deal found 5/18$856

Cheap WestJet flights from St. Louis to Toronto

Explore cheap flight options specifically provided by WestJet for the route between St. Louis and Toronto. 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 2,634,509 searches. Data last updated May 19, 2024.
Take a gander at the lowest prices we've found on WestJet flights from St. Louis to Toronto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 6/306:06 amSTL - YYZ
1 stop4h 32mWestJet
Mon 7/17:44 amYYZ - STL
1 stop5h 16mWestJet
Deal found 5/18$483
Fri 7/56:06 amSTL - YYZ
1 stop4h 32mWestJet
Mon 7/87:45 amYYZ - STL
1 stop16h 54mWestJet
Deal found 5/19$517
Tue 7/305:58 pmSTL - YYZ
2 stops10h 47mWestJet
Tue 8/67:45 amYYZ - STL
1 stop6h 13mWestJet
Deal found 5/18$528
Sat 6/13:05 pmSTL - YYZ
2 stops13h 45mWestJet
Tue 6/46:04 amYYZ - STL
1 stop4h 15mWestJet
Deal found 5/19$547
Sat 6/13:05 pmSTL - YYZ
2 stops13h 45mWestJet
Sun 6/25:59 pmYYZ - STL
1 stop4h 43mWestJet
Deal found 5/19$594
Sat 5/253:05 pmSTL - YYZ
1 stop7h 09mWestJet
Mon 5/277:45 amYYZ - STL
1 stop5h 03mWestJet
Deal found 5/18$652
Sat 5/2510:20 amSTL - YYZ
1 stop11h 54mWestJet
Mon 5/273:45 pmYYZ - STL
2 stops23h 30mWestJet
Deal found 5/18$771

Cheap St. Louis to Toronto flights in May & June 2024

Find cheap flight options from St. Louis to Toronto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,634,509 searches. Prices were last updated on May 19, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Sat 6/2911:34 amSTL - YYZ
1 stop10h 52mMultiple Airlines
Fri 7/58:15 pmYYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 5/18$359
Sun 6/166:30 amSTL - YYZ
1 stop10h 02mSun Country Air
Sun 6/237:30 amYYZ - STL
1 stop10h 55mSun Country Air
Deal found 5/17$375
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/1010:35 amYYZ - STL
1 stop7h 39mMultiple Airlines
Deal found 5/17$377
Sat 6/111:39 amSTL - YYZ
1 stop10h 47mMultiple Airlines
Sun 6/210:35 amYYZ - STL
1 stop9h 05mMultiple Airlines
Deal found 5/19$385
Sat 6/111:39 amSTL - YYZ
1 stop11h 23mMultiple Airlines
Tue 6/47:50 amYYZ - STL
1 stop6h 47mMultiple Airlines
Deal found 5/19$402
Fri 5/317:44 pmSTL - YYZ
1 stop13h 09mMultiple Airlines
Sun 6/27:50 amYYZ - STL
1 stop11h 50mMultiple Airlines
Deal found 5/19$405
Fri 5/317:44 pmSTL - YYZ
1 stop13h 09mMultiple Airlines
Sun 6/22:40 pmYYZ - STL
2 stops26h 25mMultiple Airlines
Deal found 5/19$408
Fri 5/317:45 amSTL - YYZ
2 stops12h 15mMultiple Airlines
Mon 6/38:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/19$409
Sun 6/165:22 pmSTL - YYZ
2 stops29h 04mMultiple Airlines
Sun 6/237:30 amYYZ - STL
1 stop10h 55mMultiple Airlines
Deal found 5/17$413

St. Louis to Toronto 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Toronto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Sat 6/2911:34 amSTL - YYZ
1 stop10h 52mMultiple Airlines
Fri 7/58:15 pmYYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 5/18$359
Sun 6/166:30 amSTL - YYZ
1 stop10h 02mSun Country Air
Sun 6/237:30 amYYZ - STL
1 stop10h 55mSun Country Air
Deal found 5/17$375
Thu 6/67:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/1010:35 amYYZ - STL
1 stop7h 39mMultiple Airlines
Deal found 5/17$377
Sat 6/111:39 amSTL - YYZ
1 stop10h 47mMultiple Airlines
Sun 6/210:35 amYYZ - STL
1 stop9h 05mMultiple Airlines
Deal found 5/19$385
Sat 6/111:39 amSTL - YYZ
1 stop11h 23mMultiple Airlines
Tue 6/47:50 amYYZ - STL
1 stop6h 47mMultiple Airlines
Deal found 5/19$402
Fri 5/317:44 pmSTL - YYZ
1 stop13h 09mMultiple Airlines
Sun 6/27:50 amYYZ - STL
1 stop11h 50mMultiple Airlines
Deal found 5/19$405
Fri 5/317:44 pmSTL - YYZ
1 stop13h 09mMultiple Airlines
Sun 6/22:40 pmYYZ - STL
2 stops26h 25mMultiple Airlines
Deal found 5/19$408
Fri 5/317:45 amSTL - YYZ
2 stops12h 15mMultiple Airlines
Mon 6/38:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/19$409
Sun 6/165:22 pmSTL - YYZ
2 stops29h 04mMultiple Airlines
Sun 6/237:30 amYYZ - STL
1 stop10h 55mMultiple Airlines
Deal found 5/17$413

Non-stop flights to Toronto from St. Louis

Discover non-stop flight options from St. Louis to Toronto. 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 2,634,509 searches. Data last updated May 19, 2024.
Take a look at some of the direct flights traveling from St. Louis to Toronto in the near future. Select from other flights from St. Louis to Toronto by using the search form above.
Mon 6/2411:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Thu 6/272:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/18$534
Tue 7/3010:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Tue 8/66:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/18$554
Sat 6/159:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Tue 6/182:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/17$557
Thu 8/14:05 pmSTL - YYZ
Nonstop1h 59mMultiple Airlines
Mon 8/56:55 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/18$574
Sun 8/1810:10 amSTL - YYZ
Nonstop1h 59mMultiple Airlines
Sun 8/186:55 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/18$579
Fri 7/1210:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Sun 7/142:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/18$629
Sun 6/29:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sun 6/26:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/19$639
Fri 5/319:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sun 6/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/19$682
Wed 11/1310:40 amSTL - YYZ
Nonstop2h 00mAir Canada
Fri 11/158:30 amYYZ - STL
Nonstop2h 23mAir Canada
Deal found 5/18$725

St. Louis to Toronto flights leaving soon

Find last-minute flight options from St. Louis to Toronto 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 2,634,509 searches. Data last updated May 19, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Toronto. Users should examine the flight details to ensure there are no surprises.
Sat 5/2512:45 pmSTL - YYZ
2 stops29h 50mMultiple Airlines
Sat 6/110:35 amYYZ - STL
1 stop11h 04mMultiple Airlines
Deal found 5/18$445
Sat 5/257:23 pmSTL - YYZ
1 stop10h 12mMultiple Airlines
Sat 6/110:35 amYYZ - STL
1 stop11h 04mMultiple Airlines
Deal found 5/18$498
Sat 5/253:05 pmSTL - YYZ
1 stop7h 09mWestJet
Mon 5/277:45 amYYZ - STL
1 stop5h 03mWestJet
Deal found 5/18$652
Sat 5/255:15 pmSTL - YYZ
3 stops17h 24mMultiple Airlines
Sat 6/12:00 pmYYZ - STL
3 stops23h 33mMultiple Airlines
Deal found 5/18$689
Sat 5/255:15 pmSTL - YYZ
3 stops17h 24mMultiple Airlines
Sat 6/14:15 pmYYZ - STL
2 stops26h 14mMultiple Airlines
Deal found 5/18$710
Sat 5/2510:20 amSTL - YYZ
1 stop11h 54mWestJet
Mon 5/273:45 pmYYZ - STL
2 stops23h 30mWestJet
Deal found 5/18$771
Sat 5/255:31 pmSTL - YYZ
1 stop5h 27mMultiple Airlines
Sat 6/12:15 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/18$818
Sat 5/2511:10 amSTL - YYZ
2 stops10h 50mAmerican Airlines
Sat 6/13:15 pmYYZ - STL
2 stops6h 51mAmerican Airlines
Deal found 5/18$924
Sat 5/255:25 pmSTL - YYZ
1 stop15h 11mMultiple Airlines
Mon 5/272:15 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/18$936

One-way flights to Toronto from St. Louis

Search for one-way flight options from St. Louis to Toronto. 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 2,634,509 searches. Data last updated May 19, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Toronto, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Toronto should utilize the search form above.
Sat 6/811:34 amSTL - YYZ
1 stop11h 28mMultiple Airlines
Deal found 5/18$132
Tue 11/510:34 amSTL - YYZ
1 stop12h 21mMultiple Airlines
Deal found 5/18$156
Sun 6/96:55 pmSTL - YYZ
1 stop27h 31mMultiple Airlines
Deal found 5/18$157
Fri 8/164:31 pmSTL - YYZ
1 stop16h 19mMultiple Airlines
Deal found 5/18$173
Sun 6/95:22 pmSTL - YYZ
2 stops29h 04mMultiple Airlines
Deal found 5/18$174
Tue 7/97:45 amSTL - YYZ
2 stops12h 15mMultiple Airlines
Deal found 5/18$178
Tue 7/911:57 amSTL - YYZ
1 stop10h 19mMultiple Airlines
Deal found 5/18$179
Sun 8/187:48 pmSTL - YYZ
2 stops17h 12mMultiple Airlines
Deal found 5/18$195
Fri 5/317:44 pmSTL - YYZ
1 stop13h 09mMultiple Airlines
Deal found 5/19$206

Find flights from St. Louis to Toronto within your budget

Customize your flight search to find flights from St. Louis to Toronto 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 2,634,509 searches. Data last updated May 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$359 - $561

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/29

1 stop10h 52m

Toronto Pearson Intl

Fri 7/5

1 stop15h 19m

$359

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/16

1 stop10h 02m

Toronto Pearson Intl

Sun 6/23

1 stop10h 55m

$375

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/6

2 stops10h 50m

Toronto Pearson Intl

Mon 6/10

1 stop7h 39m

$377

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/1

1 stop10h 47m

Toronto Pearson Intl

Sun 6/2

1 stop9h 05m

$385

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/15

1 stop4h 32m

Toronto Pearson Intl

Tue 6/18

1 stop9h 05m

$455

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/30

1 stop4h 32m

Toronto Pearson Intl

Mon 7/1

1 stop5h 16m

$483

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 6/24

Nonstop1h 59m

Toronto Pearson Intl

Thu 6/27

Nonstop2h 06m

$534

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 7/1

1 stop5h 47m

Toronto Pearson Intl

Mon 7/1

1 stop5h 37m

$535

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 8/1

1 stop6h 02m

Toronto Pearson Intl

Wed 8/7

1 stop9h 35m

$561

Flights are sorted by cheapest first

Deals found on 5/18

When is the best time to book a flight from St. Louis to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Toronto. Price data was last updated on May 10, 2024.
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Toronto?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Toronto. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Toronto flight should consider departing on Friday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Toronto by month

Plan your trip from St. Louis to Toronto by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Toronto is currently $172 while a round-trip flight costs $452. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Toronto (average of $238). Flying from St. Louis to Toronto in July is currently the most expensive (average of $397). 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.

January

$238

February

$264

March

$305

April

$313

May

$316

June

$354

July

$397

August

$373

September

$322

October

$306

November

$279

December

$272

Temperature and rainfall in Toronto by month

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

YTO

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated May 19, 2024.
Read reviews from past customers who have flown Delta, WestJet and Air Canada from St. Louis to Toronto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,164 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,647 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,897 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,900 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,489 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Toronto. 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 Toronto?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Toronto. You should not have trouble finding flights to Toronto from Lambert-St Louis; the airport handles an average of 2 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the St. Louis airport to Toronto. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find flights from St. Louis to Toronto for under $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Toronto for under $400. The cheapest flight booked recently is on Multiple Airlines for just $359, but on average you can expect to pay $420.

  • Are there nonstop flights from St. Louis to Toronto for under $600 on Cheapflights?

    Cheapflights has at least 13 direct flights from St. Louis to Toronto under $600. A good price for a nonstop flight from St. Louis to Toronto is less than $808.

  • Are there last-minute flights available from St. Louis to Toronto for under $500?

    There are currently 11+ open flights from St. Louis to Toronto within the next 7 days for less than $500.

  • What are the cheapest airlines flying from St. Louis to Toronto round-trip?

    Our cheapest airline available from St. Louis to Toronto is Sun Country Air. Our recent data shows that you can find tickets from as low as $375 on this airline. Additional options worth looking into are Delta and WestJet, starting at $455 and $483 round-trip.

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

    $207 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $242 and $265, respectively.

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

    Consider American Airlines, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Toronto.

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

    Consider United Airlines (84%), Air Canada (82%) or Jazz (82%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Toronto.

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

    The cheapest flight price from St. Louis to Toronto is $262. On average you can expect to pay $2,157. The most popular route, (Lambert-St Louis - Toronto Pearson Intl), can usually be booked for $304.

  • What does STL to YYZ mean?

    Lambert-St Louis Airport is STL and Toronto Pearson Intl Airport is YYZ. 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. Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your St. Louis to Toronto 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 Toronto with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Toronto 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 Toronto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Toronto 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 Toronto that allow pets onboard?

    Many airlines flying from St. Louis to Toronto 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 Toronto?

    Yes, you can often find last-minute deals on St. Louis to Toronto 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 Toronto flight deals updated?

    The St. Louis to Toronto flight deals you see on this page were last updated on 5/19.

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

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Top 3 airlines flying from St. Louis to Toronto

Discover the top 3 airlines that operate flights from St. Louis to Toronto. 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 2,634,509 searches. Data last updated May 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$287FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$228Average$560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$288Average$551FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to Toronto by cabin class

Find flights from St. Louis to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Toronto

Find hourly flight availability from St. Louis to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 19, 2024.
0%of flight departuresEarly morningMidnight to 6 am
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50%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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Weekly flight availability from St. Louis to Toronto

Explore weekly flight availability from St. Louis to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 19, 2024.
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How does Cheapflights help users find flights from St. Louis to Toronto?

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

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

Yes! Cheapflights helps users easily find flights from St. Louis to Toronto with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from St. Louis today and book when prices fit your budget.

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