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Cheap flights from St. Louis (STL) to Toronto (YTO) from $105

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 6/5. 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 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
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 6, 2024.

Popular in

February

Cheapest in

March

Round-trip from

$248

One-way from

$153
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 87% 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 $367. 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 2,689,106 searches. Data last updated May 6, 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.
Tue 7/161:10 pmSTL - YYZ
1 stop8h 38mDelta
Sun 7/2112:30 pmYYZ - STL
1 stop5h 50mDelta
Deal found 5/6$455
Fri 6/75:25 pmSTL - YYZ
1 stop5h 34mDelta
Tue 6/112:00 pmYYZ - STL
1 stop7h 54mDelta
Deal found 5/6$467
Tue 9/1710:10 amSTL - YYZ
1 stop5h 59mDelta
Sat 9/217:45 amYYZ - STL
1 stop6h 09mDelta
Deal found 5/6$468
Thu 5/306:00 amSTL - YYZ
1 stop8h 37mDelta
Thu 6/67:59 amYYZ - STL
1 stop10h 17mDelta
Deal found 5/5$492
Tue 9/1710:10 amSTL - YYZ
2 stops11h 38mDelta
Sat 9/216:45 amYYZ - STL
1 stop8h 45mDelta
Deal found 5/6$499
Thu 6/66:11 amSTL - YYZ
1 stop4h 28mDelta
Wed 6/1210:15 amYYZ - STL
1 stop8h 56mDelta
Deal found 5/6$500
Tue 7/1610:55 amSTL - YYZ
2 stops10h 53mDelta
Fri 7/199:45 amYYZ - STL
1 stop4h 31mDelta
Deal found 5/6$504
Thu 6/66:11 amSTL - YYZ
1 stop4h 28mDelta
Tue 6/117:44 amYYZ - STL
1 stop5h 17mDelta
Deal found 5/6$558
Mon 9/166:00 pmSTL - YYZ
1 stop3h 46mDelta
Sat 9/216:30 amYYZ - STL
2 stops11h 04mDelta
Deal found 5/6$583

Cheap United Airlines flights from St. Louis to Toronto

Explore cheap flight options specifically provided by United 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 2,689,106 searches. Data last updated May 6, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Toronto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 9/174:05 pmSTL - YYZ
Nonstop1h 54mUnited Airlines
Sat 9/216:15 amYYZ - STL
1 stop4h 41mUnited Airlines
Deal found 5/6$458
Fri 8/95:30 pmSTL - YYZ
2 stops20h 41mUnited Airlines
Mon 8/126:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/5$514
Sat 6/295:30 pmSTL - YYZ
1 stop5h 28mUnited Airlines
Sun 7/78:05 amYYZ - STL
1 stop7h 13mUnited Airlines
Deal found 5/6$520
Tue 7/235:30 pmSTL - YYZ
2 stops20h 41mUnited Airlines
Fri 7/266:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/5$523
Thu 5/3011:38 amSTL - YYZ
1 stop6h 07mUnited Airlines
Thu 6/62:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/5$543
Thu 8/2910:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 9/26:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/5$564
Fri 7/264:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Sun 7/288:05 amYYZ - STL
1 stop7h 13mUnited Airlines
Deal found 5/5$601

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 2,689,106 searches. Prices were last updated on May 6, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Tue 6/42:35 pmSTL - YYZ
2 stops20h 40mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$246
Tue 6/47:23 pmSTL - YYZ
1 stop10h 12mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$265
Wed 6/57:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/6$278
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/6$291
Tue 6/410:34 amSTL - YYZ
3 stops28h 08mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$296
Tue 6/42:35 pmSTL - YYZ
2 stops20h 40mMultiple Airlines
Tue 6/116:30 amYYZ - STL
3 stops31h 35mMultiple Airlines
Deal found 5/5$319
Sat 5/2511:39 amSTL - YYZ
3 stops30h 56mMultiple Airlines
Tue 5/288:20 pmYYZ - STL
1 stop15h 26mMultiple Airlines
Deal found 5/6$321
Sat 6/15:15 pmSTL - YYZ
1 stop19h 45mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/5$323
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Thu 6/136:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/5$338

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 2,689,106 searches. Data last updated May 6, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Tue 6/42:35 pmSTL - YYZ
2 stops20h 40mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$246
Tue 6/47:23 pmSTL - YYZ
1 stop10h 12mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$265
Wed 6/57:29 pmSTL - YYZ
1 stop10h 13mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/6$278
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/6$291
Tue 6/410:34 amSTL - YYZ
3 stops28h 08mMultiple Airlines
Tue 6/116:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/5$296
Tue 6/42:35 pmSTL - YYZ
2 stops20h 40mMultiple Airlines
Tue 6/116:30 amYYZ - STL
3 stops31h 35mMultiple Airlines
Deal found 5/5$319
Sat 5/2511:39 amSTL - YYZ
3 stops30h 56mMultiple Airlines
Tue 5/288:20 pmYYZ - STL
1 stop15h 26mMultiple Airlines
Deal found 5/6$321
Sat 6/15:15 pmSTL - YYZ
1 stop19h 45mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/5$323
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Thu 6/136:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/5$338

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 2,689,106 searches. Data last updated May 6, 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.
Fri 8/94:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/126:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/5$433
Thu 7/1110:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Sun 7/142:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/5$443
Fri 9/134:05 pmSTL - YYZ
Nonstop1h 54mMultiple Airlines
Sun 9/152:15 pmYYZ - STL
Nonstop2h 05mMultiple Airlines
Deal found 5/6$509
Sat 6/15:50 pmSTL - YYZ
Nonstop2h 05mMultiple Airlines
Sat 6/86:55 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/5$533
Tue 6/114:05 pmSTL - YYZ
Nonstop2h 01mAir Canada
Fri 6/146:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/5$541
Thu 5/309:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Thu 6/62:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/5$554
Thu 8/2910:10 amSTL - YYZ
Nonstop1h 59mUnited Airlines
Mon 9/26:55 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/5$564
Wed 6/59:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Mon 6/102:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/6$574
Wed 5/229:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sun 5/266:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/5$586

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 2,689,106 searches. Data last updated May 6, 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.
Sun 5/127:30 amSTL - YYZ
2 stops11h 05mMultiple Airlines
Sun 5/196:30 amYYZ - STL
1 stop11h 59mMultiple Airlines
Deal found 5/4$356
Sat 5/1112:10 pmSTL - YYZ
2 stops7h 47mMultiple Airlines
Tue 5/148:20 pmYYZ - STL
1 stop14h 58mMultiple Airlines
Deal found 5/6$357
Tue 5/147:51 pmSTL - YYZ
1 stop9h 44mMultiple Airlines
Wed 5/1510:20 amYYZ - STL
2 stops33h 20mMultiple Airlines
Deal found 5/5$415
Tue 5/147:30 amSTL - YYZ
2 stops11h 05mMultiple Airlines
Wed 5/156:30 amYYZ - STL
3 stops31h 20mMultiple Airlines
Deal found 5/5$422
Sat 5/117:51 pmSTL - YYZ
1 stop9h 44mMultiple Airlines
Tue 5/148:20 pmYYZ - STL
1 stop14h 58mMultiple Airlines
Deal found 5/6$445
Sun 5/127:30 pmSTL - YYZ
1 stop26h 56mMultiple Airlines
Sun 5/196:30 amYYZ - STL
1 stop11h 59mMultiple Airlines
Deal found 5/4$446
Mon 5/137:51 pmSTL - YYZ
1 stop25h 09mMultiple Airlines
Thu 5/162:40 pmYYZ - STL
2 stops26h 25mMultiple Airlines
Deal found 5/6$455
Sat 5/1111:39 amSTL - YYZ
3 stops35h 16mMultiple Airlines
Tue 5/148:20 pmYYZ - STL
1 stop15h 26mMultiple Airlines
Deal found 5/6$476
Tue 5/147:51 pmSTL - YYZ
1 stop9h 44mMultiple Airlines
Wed 5/1510:15 amYYZ - STL
1 stop8h 01mMultiple Airlines
Deal found 5/5$516

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 2,689,106 searches. Data last updated May 6, 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.
Wed 6/51:55 pmSTL - YYZ
1 stop15h 47mMultiple Airlines
Deal found 5/6$105
Sat 5/185:15 pmSTL - YYZ
3 stops25h 20mMultiple Airlines
Deal found 5/5$114
Wed 5/2911:36 amSTL - YYZ
1 stop18h 06mMultiple Airlines
Deal found 5/5$115
Tue 5/147:51 pmSTL - YYZ
1 stop9h 51mMultiple Airlines
Deal found 5/4$122
Thu 5/307:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 5/5$124
Thu 5/307:30 pmSTL - YYZ
1 stop26h 56mMultiple Airlines
Deal found 5/5$132
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Deal found 5/5$136
Thu 5/307:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 5/5$139
Sun 5/197:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 5/6$147

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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$246 - $556

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/4

2 stops20h 40m

Toronto Pearson Intl

Tue 6/11

1 stop8h 53m

$246

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/4

1 stop10h 12m

Toronto Pearson Intl

Tue 6/11

1 stop8h 53m

$265

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/5

1 stop10h 13m

Toronto Pearson Intl

Tue 6/11

1 stop8h 53m

$278

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 6/7

2 stops24h 25m

Toronto Pearson Intl

Tue 6/11

1 stop8h 53m

$291

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 8/9

1 stop5h 28m

Toronto Pearson Intl

Mon 8/12

Nonstop2h 06m

$433

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 7/16

1 stop8h 38m

Toronto Pearson Intl

Sun 7/21

1 stop5h 50m

$455

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 9/17

Nonstop1h 54m

Toronto Pearson Intl

Sat 9/21

1 stop4h 41m

$458

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/19

1 stop5h 10m

Toronto Pearson Intl

Fri 7/5

2 stops12h 20m

$510

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/2

1 stop5h 44m

Toronto Pearson Intl

Sun 6/9

1 stop9h 16m

$556

Flights are sorted by cheapest first

Deals found on 5/5

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 3, 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 $388. 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 $405). 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

$323

June

$358

July

$405

August

$374

September

$324

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 6, 2024.
Read reviews from past customers who have flown Delta, United Airlines 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.
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,818 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.6
Good
2,957 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,090 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,697 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Sun Country Air
7.3
Good
642 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $246, but on average you can expect to pay $330.

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

    Cheapflights has at least 20 direct flights from St. Louis to Toronto under $500. A good price for a nonstop flight from St. Louis to Toronto is less than $686.

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

    There are currently 20+ open flights from St. Louis to Toronto within the next 7 days for less than $400.

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

    $153 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $197 and $202, 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 $287.

  • 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 5/6.

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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 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$285FlexibilityNo cancel feeOn-time67%
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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 6, 2024.
1%of flight departuresEarly morningMidnight to 6 am
43%of flight departuresMorning6 am to noon
56%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 6, 2024.
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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 Toronto from St. Louis today with Cheapflights!

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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