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C$ 136+ 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 25/2. 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
25 Feb — 4 Mar1
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 26 January 2026.

Good round-trip deal

C$ 515 or less
Price to beat on a round-trip flight from Lambert-St Louis.
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Find flights from St. Louis

Enter your travel dates to find the best prices.

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 26 January 2026.

Sun 1/310:11 p.m.
STL
-
YYZ
1 stop31h 32m
Multiple Airlines
Thu 5/38:20 p.m.
YYZ
-
STL
1 stop11h 42m
Multiple Airlines
Deal found 26/1C$ 340
Thu 26/210:11 p.m.
STL
-
YYZ
1 stop31h 32m
Multiple Airlines
Wed 4/37:10 a.m.
YYZ
-
STL
1 stop16h 17m
Multiple Airlines
Deal found 24/1C$ 341
Mon 23/28:47 p.m.
STL
-
YVR
1 stop29h 12m
Multiple Airlines
Mon 2/34:35 p.m.
YVR
-
STL
2 stops45h 18m
Multiple Airlines
Deal found 26/1C$ 352
Sat 28/24:05 p.m.
STL
-
YVR
1 stop8h 15m
Air Canada
Sat 7/33:30 p.m.
YVR
-
STL
1 stop6h 04m
Air Canada
Deal found 23/1C$ 375
Mon 2/310:11 p.m.
STL
-
YVR
1 stop19h 56m
Multiple Airlines
Tue 10/38:00 a.m.
YVR
-
STL
2 stops23h 49m
Multiple Airlines
Deal found 26/1C$ 381
Wed 25/28:17 p.m.
STL
-
YYZ
2 stops17h 03m
Multiple Airlines
Wed 4/37:10 a.m.
YYZ
-
STL
1 stop16h 17m
Multiple Airlines
Deal found 24/1C$ 385
Wed 25/28:17 p.m.
STL
-
YYZ
2 stops17h 03m
Multiple Airlines
Thu 5/38:20 p.m.
YYZ
-
STL
1 stop11h 42m
Multiple Airlines
Deal found 24/1C$ 396
Tue 24/23:49 p.m.
STL
-
YYZ
1 stop7h 25m
Multiple Airlines
Wed 4/37:10 a.m.
YYZ
-
STL
1 stop16h 17m
Multiple Airlines
Deal found 24/1C$ 415
Mon 23/23:49 p.m.
STL
-
YYZ
1 stop7h 25m
Multiple Airlines
Wed 4/37:10 a.m.
YYZ
-
STL
1 stop16h 17m
Multiple Airlines
Deal found 24/1C$ 422
Wed 18/28:41 a.m.
STL
-
YVR
1 stop7h 17m
United Airlines
Sat 28/28:30 a.m.
YVR
-
STL
1 stop9h 56m
United Airlines
Deal found 26/1C$ 423
Sat 28/24:30 p.m.
STL
-
YVR
1 stop8h 36m
United Airlines
Sat 7/38:30 a.m.
YVR
-
STL
1 stop13h 04m
United Airlines
Deal found 24/1C$ 429
Mon 23/23:49 p.m.
STL
-
YYZ
1 stop7h 25m
Multiple Airlines
Thu 5/38:20 p.m.
YYZ
-
STL
1 stop11h 42m
Multiple Airlines
Deal found 24/1C$ 433

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 26 January 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 1/3

10:11 p.m.-9:11 p.m.

2 stops22h 00m

Toronto Pearson Intl

Thu 5/3

8:20 p.m.-7:02 a.m.

1 stop11h 42m

C$ 345

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 28/4

5:20 a.m.-10:48 a.m.

1 stop7h 28m

Vancouver Intl

Sat 2/5

6:00 a.m.-7:30 p.m.

1 stop11h 30m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 10/3

4:30 p.m.-11:06 p.m.

1 stop8h 36m

Vancouver Intl

Tue 17/3

3:30 p.m.-11:34 p.m.

1 stop6h 04m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 28/2

4:30 p.m.-11:06 p.m.

1 stop8h 36m

Vancouver Intl

Wed 4/3

8:30 a.m.-8:26 p.m.

1 stop9h 56m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 2/5

4:15 p.m.-10:56 p.m.

1 stop8h 41m

Vancouver Intl

Sat 9/5

8:35 a.m.-8:43 p.m.

1 stop10h 08m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 18/2

8:41 a.m.-1:58 p.m.

1 stop7h 17m

Vancouver Intl

Sat 28/2

8:30 a.m.-8:26 p.m.

1 stop9h 56m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 28/2

4:30 p.m.-11:06 p.m.

1 stop8h 36m

Vancouver Intl

Sat 7/3

8:30 a.m.-11:34 p.m.

1 stop13h 04m

C$ 429

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 28/2

2:22 p.m.-11:59 p.m.

2 stops11h 37m

Vancouver Intl

Sat 7/3

1:17 p.m.-9:38 p.m.

1 stop6h 21m

C$ 436

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 2/3

10:11 p.m.-4:07 p.m.

1 stop19h 56m

Vancouver Intl

Tue 10/3

9:30 a.m.-7:11 p.m.

1 stop7h 41m

C$ 441

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 28/4

3:25 p.m.-10:31 p.m.

2 stops9h 06m

Vancouver Intl

Sat 2/5

6:15 a.m.-9:32 p.m.

2 stops13h 17m

C$ 444

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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 23 January 2026.

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$ 244). Flying from St. Louis in January will prove the most costly (average of C$ 1,070). 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$ 299

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 (759 flights per day), Atlanta (214 flights per day) and New York (211 flights per day).

Washington, D.C.
Washington, D.C.
From C$ 807
Los Angeles
Los Angeles
From C$ 515
Philadelphia
Philadelphia
From C$ 1,396

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

The cheapest city to fly to from St. Louis is Los Angeles, with prices starting at C$ 515. Explore other affordable destinations below.

Los Angeles
Los Angeles
From C$ 515
Washington, D.C.
Washington, D.C.
From C$ 807
Philadelphia
Philadelphia
From C$ 1,396

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
10,656 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,656 reviews
Air Canada
7.1
Good
10,656 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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Airports servicing St. Louis

Fly out of one of these airports located in St. Louis.
Flights from Kansas City
Flights from Joplin
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 26 January 2026.

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

    This month, the top selected destinations from St. Louis are Cancún, Denver, 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$ 515 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 932 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$ 1,445
    Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport starting at C$ 2,716
    Fly from Lambert-St Louis to Toronto Pearson Intl Airport starting at C$ 5,427

  • 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 January being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from St. Louis?

    Check out the cheapest flights from St. Louis to embark to:
    Travel from St. Louis to Vancouver from C$ 357 round trip
    Travel from St. Louis to Toronto from C$ 460 round trip

  • 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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