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Cheap flights from St. Louis (STL) to Toronto (YTO) from $80

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 6/18. 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 15 — May 221
From?
To?
Wed 5/15
Wed 5/22
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 Wednesday and return on a Friday

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 10, 2024.

Popular in

February

Cheapest in

March

Round-trip from

$248

One-way from

$201
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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From Lambert-St Louis to Toronto (YTO)
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One-way flight 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 93% 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 American Airlines flights from St. Louis to Toronto

Explore cheap flight options specifically provided by American Airlines 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 2,684,066 searches. Data last updated May 10, 2024.
Take a peek at the cheapest American Airlines flights we've detected traveling from St. Louis to Toronto. Make sure to double check the flight details before booking.
Wed 6/126:09 amSTL - YYZ
1 stop4h 45mAmerican Airlines
Wed 6/123:45 pmYYZ - STL
1 stop9h 18mAmerican Airlines
Deal found 5/9$431
Fri 6/217:00 amSTL - YYZ
1 stop10h 38mAmerican Airlines
Mon 6/247:23 pmYYZ - STL
1 stop5h 40mAmerican Airlines
Deal found 5/10$464
Thu 6/203:27 pmSTL - YYZ
1 stop5h 55mAmerican Airlines
Mon 6/247:23 pmYYZ - STL
1 stop5h 40mAmerican Airlines
Deal found 5/9$465
Fri 7/194:52 pmSTL - YYZ
1 stop4h 50mAmerican Airlines
Mon 7/227:23 pmYYZ - STL
1 stop5h 31mAmerican Airlines
Deal found 5/9$493
Wed 5/228:07 amSTL - YYZ
1 stop5h 23mAmerican Airlines
Sun 5/266:00 amYYZ - STL
1 stop4h 53mAmerican Airlines
Deal found 5/10$552
Mon 5/205:55 amSTL - YYZ
1 stop5h 39mAmerican Airlines
Tue 5/216:00 amYYZ - STL
1 stop10h 28mAmerican Airlines
Deal found 5/9$638
Thu 5/166:40 amSTL - YYZ
2 stops10h 50mAmerican Airlines
Mon 5/2010:30 amYYZ - STL
2 stops11h 25mAmerican Airlines
Deal found 5/9$978

Cheap Air Canada flights from St. Louis to Toronto

Explore cheap flight options specifically provided by Air Canada 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 2,684,066 searches. Data last updated May 10, 2024.
Take a gander at the lowest prices we've found on Air Canada flights from St. Louis to Toronto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 6/14:05 pmSTL - YYZ
Nonstop2h 01mAir Canada
Sun 6/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/8$439
Wed 9/1110:10 amSTL - YYZ
Nonstop1h 54mAir Canada
Sat 9/142:15 pmYYZ - STL
Nonstop2h 05mAir Canada
Deal found 5/9$443
Wed 9/119:30 amSTL - YYZ
1 stop5h 13mAir Canada
Sat 9/142:15 pmYYZ - STL
Nonstop2h 05mAir Canada
Deal found 5/9$452
Mon 7/2910:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Sat 8/39:00 amYYZ - STL
1 stop6h 36mAir Canada
Deal found 5/10$458
Fri 8/164:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/196:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/8$466
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 6/246:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/10$508
Fri 8/234:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Sun 8/256:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/9$509
Wed 6/56:30 amSTL - YYZ
1 stop4h 22mAir Canada
Sat 6/86:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/9$518
Thu 8/294:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Sun 9/17:00 amYYZ - STL
1 stop6h 43mAir Canada
Deal found 5/10$523

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 2,684,066 searches. Prices were last updated on May 10, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Wed 6/51:55 pmSTL - YYZ
1 stop15h 47mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$253
Wed 6/51:55 pmSTL - YYZ
2 stops28h 40mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$308
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/9$319
Sat 6/15:15 pmSTL - YYZ
2 stops15h 38mMultiple Airlines
Sun 6/28:20 pmYYZ - STL
1 stop19h 54mMultiple Airlines
Deal found 5/8$333
Thu 6/68:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Thu 6/136:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$334
Thu 6/276:22 pmSTL - YYZ
1 stop18h 38mMultiple Airlines
Mon 7/14:00 pmYYZ - STL
2 stops25h 05mMultiple Airlines
Deal found 5/9$341
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/10$342
Thu 6/207:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/244:00 pmYYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 5/9$347
Fri 6/217:30 pmSTL - YYZ
2 stops23h 05mMultiple Airlines
Sun 6/236:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/10$352

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 2,684,066 searches. Data last updated May 10, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Wed 6/51:55 pmSTL - YYZ
1 stop15h 47mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$253
Wed 6/51:55 pmSTL - YYZ
2 stops28h 40mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$308
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/9$319
Sat 6/15:15 pmSTL - YYZ
2 stops15h 38mMultiple Airlines
Sun 6/28:20 pmYYZ - STL
1 stop19h 54mMultiple Airlines
Deal found 5/8$333
Thu 6/68:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Thu 6/136:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/9$334
Thu 6/276:22 pmSTL - YYZ
1 stop18h 38mMultiple Airlines
Mon 7/14:00 pmYYZ - STL
2 stops25h 05mMultiple Airlines
Deal found 5/9$341
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/10$342
Thu 6/207:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 6/244:00 pmYYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 5/9$347
Fri 6/217:30 pmSTL - YYZ
2 stops23h 05mMultiple Airlines
Sun 6/236:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/10$352

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 2,684,066 searches. Data last updated May 10, 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.
Thu 6/2711:00 amSTL - YYZ
Nonstop1h 59mLufthansa
Mon 7/12:15 pmYYZ - STL
Nonstop2h 06mLufthansa
Deal found 5/9$417
Sat 6/14:05 pmSTL - YYZ
Nonstop2h 01mAir Canada
Sun 6/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/8$439
Wed 9/1110:10 amSTL - YYZ
Nonstop1h 54mAir Canada
Sat 9/142:15 pmYYZ - STL
Nonstop2h 05mAir Canada
Deal found 5/9$443
Fri 8/164:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/196:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/8$466
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 6/246:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/10$508
Fri 8/234:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Sun 8/256:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/9$509
Wed 5/229:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sun 5/262:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/10$529
Thu 6/204:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 6/246:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/9$574
Wed 6/59:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sat 6/86:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/9$584

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 2,684,066 searches. Data last updated May 10, 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.
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/9$319
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/208:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/10$342
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/206:30 amYYZ - STL
3 stops32h 07mMultiple Airlines
Deal found 5/10$397
Thu 5/167:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Mon 5/207:45 amYYZ - STL
2 stops26h 54mMultiple Airlines
Deal found 5/10$421
Mon 5/209:50 amSTL - YYZ
Nonstop2h 01mMultiple Airlines
Tue 5/2111:00 amYYZ - STL
1 stop5h 46mMultiple Airlines
Deal found 5/9$630
Thu 5/166:11 amSTL - YYZ
1 stop4h 28mWestJet
Mon 5/205:00 pmYYZ - STL
1 stop20h 16mWestJet
Deal found 5/9$634
Mon 5/205:55 amSTL - YYZ
1 stop5h 39mAmerican Airlines
Tue 5/216:00 amYYZ - STL
1 stop10h 28mAmerican Airlines
Deal found 5/9$638
Thu 5/166:30 amSTL - YYZ
1 stop9h 39mWestJet
Mon 5/209:45 amYYZ - STL
1 stop8h 37mWestJet
Deal found 5/10$705
Mon 5/206:11 amSTL - YYZ
2 stops15h 44mWestJet
Tue 5/216:34 amYYZ - STL
1 stop5h 36mWestJet
Deal found 5/9$714

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 2,684,066 searches. Data last updated May 10, 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.
Tue 6/187:29 pmSTL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 5/8$80
Tue 9/247:29 pmSTL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 5/10$92
Wed 9/257:29 pmSTL - YYZ
1 stop10h 08mMultiple Airlines
Deal found 5/10$122
Sat 5/185:15 pmSTL - YYZ
3 stops25h 20mMultiple Airlines
Deal found 5/9$131
Thu 5/307:30 pmSTL - YYZ
1 stop26h 56mMultiple Airlines
Deal found 5/10$132
Fri 6/217:30 pmSTL - YYZ
2 stops23h 05mMultiple Airlines
Deal found 5/9$135
Sat 9/217:29 pmSTL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 5/10$142
Sat 6/19:29 pmSTL - YYZ
1 stop24h 57mMultiple Airlines
Deal found 5/9$151
Wed 6/57:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Deal found 5/10$152

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 2,684,066 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$253 - $467

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/5

1 stop15h 47m

Toronto Pearson Intl

Sat 6/8

1 stop11h 58m

$253

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/5

2 stops28h 40m

Toronto Pearson Intl

Sat 6/8

1 stop11h 58m

$308

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/1

1 stop10h 47m

Toronto Pearson Intl

Sun 6/2

1 stop11h 59m

$319

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/1

2 stops15h 38m

Toronto Pearson Intl

Sun 6/2

1 stop19h 54m

$333

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/12

1 stop4h 45m

Toronto Pearson Intl

Wed 6/12

1 stop9h 18m

$431

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/1

Nonstop2h 01m

Toronto Pearson Intl

Sun 6/2

Nonstop2h 06m

$439

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/27

Nonstop1h 59m

Toronto Pearson Intl

Mon 7/1

1 stop6h 45m

$449

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/6

1 stop8h 49m

Toronto Pearson Intl

Thu 6/13

1 stop4h 11m

$455

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 8/29

1 stop6h 45m

Toronto Pearson Intl

Sun 9/1

1 stop4h 10m

$467

Flights are sorted by cheapest first

Deals found on 5/9

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 5, 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. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 $126 while a round-trip flight costs $384. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Toronto (average of $237). Flying from St. Louis to Toronto in July is currently the most expensive (average of $400). 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

$237

February

$264

March

$305

April

$313

May

$317

June

$355

July

$400

August

$375

September

$323

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 10, 2024.
Read reviews from past customers who have flown American Airlines, Air Canada and WestJet 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
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,141 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
10,768 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

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

WestJet
7.6
Good
2,940 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
11,014 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,639 reviews
Alaska Airlines
8.1
Very good
9,141 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

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 $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Toronto for under $300. The cheapest flight booked recently is on Multiple Airlines for just $253, but on average you can expect to pay $366.

  • Are there nonstop flights from St. Louis to Toronto for under $500 on Cheapflights?

    Cheapflights has at least 18 direct flights from St. Louis to Toronto under $500. A good price for a nonstop flight from St. Louis to Toronto is less than $785.

  • Are there last-minute flights available from St. Louis to Toronto for under $400?

    There are currently 16+ open flights from St. Louis to Toronto within the next 7 days for less than $400.

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

    Our cheapest airline available from St. Louis to Toronto is American Airlines. Our recent data shows that you can find tickets from as low as $431 on this airline. Additional options worth looking into are Air Canada and WestJet, starting at $439 and $449 round-trip.

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

    $194 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $197 and $201, 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 (94%), Air Canada (89%) or Jazz (89%) 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 $231. On average you can expect to pay $1,883. The most popular route, (Lambert-St Louis - Toronto Pearson Intl), can usually be booked for $253.

  • 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 5/10.

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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 2,684,066 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$285FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$228Average$560FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$282Average$542FlexibilityNo 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 10, 2024.
0%of flight departuresEarly morningMidnight to 6 am
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50%of flight departuresAfternoonNoon to 6 pm
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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 10, 2024.
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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Toronto?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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