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C$ 123+ Cheap flights from St. Louis

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 11/12. 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 — YYZ
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 27 October 2025.

Cheapest airline

Air Canada

Good round-trip deal

C$ 261 or less

Good one-way deal

C$ 729 or less
On average, Air Canada currently has the cheapest one-way flight from Lambert-St Louis (avg. price of C$ 652).
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Price to beat on a round-trip flight from Lambert-St Louis.
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Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 27 October 2025.

Sat 21/27:43 p.m.STL - YVR
2 stops30h 16mMultiple Airlines
Fri 27/29:10 a.m.YVR - STL
1 stop8h 31mMultiple Airlines
Deal found 25/10C$ 344
Wed 11/25:44 p.m.STL - YVR
1 stop30h 36mMultiple Airlines
Tue 17/29:30 a.m.YVR - STL
1 stop29h 19mMultiple Airlines
Deal found 26/10C$ 347
Sat 14/212:58 p.m.STL - YYZ
1 stop7h 17mAmerican Airlines
Sat 21/26:15 a.m.YYZ - STL
1 stop12h 41mAmerican Airlines
Deal found 24/10C$ 390
Fri 20/27:43 p.m.STL - YVR
2 stops22h 44mMultiple Airlines
Fri 27/29:10 a.m.YVR - STL
1 stop8h 31mMultiple Airlines
Deal found 25/10C$ 414
Wed 7/17:43 p.m.STL - YYZ
2 stops17h 33mMultiple Airlines
Sat 10/17:10 a.m.YYZ - STL
1 stop16h 23mMultiple Airlines
Deal found 26/10C$ 416
Mon 12/15:44 p.m.STL - YVR
1 stop8h 31mMultiple Airlines
Sat 17/16:15 p.m.YVR - STL
2 stops13h 31mMultiple Airlines
Deal found 25/10C$ 420
Sat 21/22:55 p.m.STL - YVR
1 stop8h 00mMultiple Airlines
Thu 26/212:05 p.m.YVR - STL
1 stop29h 36mMultiple Airlines
Deal found 25/10C$ 425
Wed 10/127:43 p.m.STL - YVR
2 stops18h 57mMultiple Airlines
Wed 17/123:40 p.m.YVR - STL
1 stop22h 44mMultiple Airlines
Deal found 26/10C$ 428
Mon 8/1210:47 a.m.STL - YYZ
2 stops12h 24mMultiple Airlines
Mon 15/125:15 p.m.YYZ - STL
1 stop30h 18mMultiple Airlines
Deal found 25/10C$ 435
Tue 25/113:14 p.m.STL - YWG
1 stop23h 53mMultiple Airlines
Sun 30/114:55 p.m.YWG - STL
1 stop22h 13mMultiple Airlines
Deal found 26/10C$ 438
Wed 10/125:05 a.m.STL - YYZ
1 stop9h 58mAmerican Airlines
Wed 17/126:00 a.m.YYZ - STL
1 stop10h 29mAmerican Airlines
Deal found 27/10C$ 442
Sat 6/127:00 a.m.STL - YVR
1 stop15h 55mMultiple Airlines
Sat 13/129:15 p.m.YVR - STL
2 stops10h 32mMultiple Airlines
Deal found 25/10C$ 452

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 27 October 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 11/2

5:44 p.m.-10:20 p.m.

1 stop30h 36m

Vancouver Intl

Tue 17/2

9:30 a.m.-4:49 p.m.

1 stop29h 19m

C$ 347

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 14/2

12:58 p.m.-9:15 p.m.

1 stop7h 17m

Toronto Pearson Intl

Sat 21/2

6:15 a.m.-5:56 p.m.

1 stop12h 41m

C$ 390

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 21/2

7:43 p.m.-12:40 p.m.

2 stops18h 57m

Vancouver Intl

Wed 25/2

11:00 p.m.-9:47 a.m.

1 stop8h 47m

C$ 414

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 12/1

5:44 p.m.-12:15 a.m.

1 stop8h 31m

Vancouver Intl

Sat 17/1

6:15 p.m.-9:46 a.m.

2 stops13h 31m

C$ 420

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 7/1

5:11 p.m.-2:16 p.m.

1 stop20h 05m

Toronto Pearson Intl

Sat 10/1

7:10 a.m.-10:33 p.m.

1 stop16h 23m

C$ 425

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 10/12

7:43 p.m.-12:40 p.m.

2 stops18h 57m

Vancouver Intl

Wed 17/12

3:40 p.m.-4:24 p.m.

1 stop22h 44m

C$ 428

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 10/12

5:05 a.m.-4:03 p.m.

1 stop9h 58m

Toronto Pearson Intl

Wed 17/12

6:00 a.m.-4:50 p.m.

1 stop11h 50m

C$ 442

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/4

4:05 p.m.-12:04 a.m.

1 stop5h 59m

Halifax Intl

Wed 8/4

9:00 a.m.-3:24 p.m.

1 stop8h 24m

C$ 463

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 19/2

12:20 p.m.-11:20 p.m.

1 stop10h 00m

Toronto Pearson Intl

Mon 23/2

8:20 p.m.-10:02 a.m.

2 stops38h 42m

C$ 463

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Thu 11/12

12:04 p.m.-3:07 p.m.

1 stop27h 03m

Winnipeg

Thu 18/12

4:10 p.m.-7:47 p.m.

2 stops27h 37m

C$ 467

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis

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

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pearson Intl. Price data was last updated on 24 October 2025.

The price you pay for your flight from St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, June is the cheapest month in which you can book a flight from St. Louis (average of C$ 250). Flying from St. Louis in February will prove the most costly (average of C$ 509). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

For flights departing from St. Louis check dates and pricing for the following: Air Canada. This airline departs to the following popular destinations: Toronto.

Air Canada
Air Canada
From C$ 305

What are popular destinations to fly to from St. Louis?

From St. Louis you can expect to find greater availability for the following destinations: Chicago (359 flights per day), New York (165 flights per day) and Atlanta (164 flights per day).

Frankfurt am Main
Frankfurt am Main
From C$ 911
Toronto
Toronto
From C$ 245
Washington, D.C.
Washington, D.C.
From C$ 825
Los Angeles
Los Angeles
From C$ 526

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Toronto, with prices starting at C$ 245. Explore other affordable destinations below.

Toronto
Toronto
From C$ 245
Los Angeles
Los Angeles
From C$ 526
Dallas/Fort Worth
Dallas/Fort Worth
From C$ 729
Washington, D.C.
Washington, D.C.
From C$ 825

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Read through reviews of airlines serving St. Louis, such as Air Canada. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,370 reviews
Check prices

Crew

7.8

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,370 reviews
Air Canada
7.1
Good
10,370 reviews
Check prices

Crew

7.8

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

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Airports servicing St. Louis

Fly out of one of these airports located in St. Louis.
Flights from Kansas City
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Flights from Springfield

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 27 October 2025.

  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Boston, Atlanta. Throughout the year, Denver, Cancún, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as C$ 245 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 668 to fly from St. Louis.

  • What is the cheapest premium economy flight from St. Louis?

    Options for some of the cheapest premium economy flights from St. Louis we have found on Cheapflights are as follows:
    Fly from Lambert-St Louis to Chicago O'Hare Intl Airport starting at C$ 1,477
    Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport starting at C$ 2,775
    Fly from Lambert-St Louis to Toronto Pearson Intl Airport starting at C$ 5,545

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

    At the present moment the cheapest month to fly from St. Louis is currently June; with February being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

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

    When you search for this flight from St. Louis, 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 best flight for you.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis for you. Better yet — we are completely free to use.

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

    Certainly. Search results for flights from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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

When you search for this flight from St. Louis, 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 best flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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