C$ 170+ Cheap flights from St. Louis

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. 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 — YUL
6 Apr — 13 Apr1
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 7 March 2026.

Cheapest airline

Air Canada

Good round-trip deal

C$ 321 or less

Good one-way deal

C$ 225 or less
On average, Air Canada currently has the cheapest one-way flight from Lambert-St Louis (avg. price of C$ 632).
Price to beat on a round-trip flight from Lambert-St Louis.
Price to beat on a one-way flight from Lambert-St Louis.

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 7 March 2026.

Sat 18/48:23 p.m.
STL
-
YWG
1 stop18h 46m
Multiple Airlines
Sat 25/49:00 p.m.
YWG
-
STL
2 stops33h 50m
Multiple Airlines
Deal found 4/3C$ 415
Mon 20/49:55 p.m.
STL
-
YVR
2 stops42h 35m
Multiple Airlines
Mon 27/410:55 p.m.
YVR
-
STL
1 stop29h 55m
Multiple Airlines
Deal found 6/3C$ 416
Wed 10/67:23 p.m.
STL
-
YVR
1 stop15h 14m
United Airlines
Thu 11/610:55 a.m.
YVR
-
STL
1 stop11h 02m
United Airlines
Deal found 5/3C$ 422
Fri 17/42:40 p.m.
STL
-
YVR
1 stop10h 16m
Air Canada
Fri 24/48:35 a.m.
YVR
-
STL
1 stop10h 19m
Air Canada
Deal found 3/3C$ 426
Sat 25/48:23 p.m.
STL
-
YVR
2 stops19h 12m
Multiple Airlines
Sat 2/510:55 p.m.
YVR
-
STL
1 stop29h 55m
Multiple Airlines
Deal found 6/3C$ 431
Mon 4/55:59 p.m.
STL
-
YVR
1 stop6h 57m
United Airlines
Sat 16/58:35 a.m.
YVR
-
STL
1 stop10h 08m
United Airlines
Deal found 3/3C$ 434
Sat 6/61:13 p.m.
STL
-
YVR
1 stop11h 07m
United Airlines
Sat 13/68:25 a.m.
YVR
-
STL
1 stop7h 52m
United Airlines
Deal found 4/3C$ 441
Tue 9/65:10 a.m.
STL
-
YVR
1 stop6h 41m
United Airlines
Thu 11/610:55 a.m.
YVR
-
STL
1 stop11h 02m
United Airlines
Deal found 5/3C$ 442
Wed 15/48:23 p.m.
STL
-
YVR
1 stop16h 49m
Multiple Airlines
Sun 19/44:35 p.m.
YVR
-
STL
2 stops20h 01m
Multiple Airlines
Deal found 4/3C$ 443
Sun 19/48:15 p.m.
STL
-
YVR
1 stop17h 18m
Lufthansa
Sun 26/41:59 p.m.
YVR
-
STL
1 stop16h 26m
Lufthansa
Deal found 5/3C$ 446
Mon 20/46:05 p.m.
STL
-
YVR
1 stop6h 51m
United Airlines
Mon 27/48:35 a.m.
YVR
-
STL
1 stop10h 19m
United Airlines
Deal found 6/3C$ 447
Thu 16/42:20 p.m.
STL
-
YVR
1 stop10h 11m
Delta
Thu 23/41:15 p.m.
YVR
-
STL
1 stop9h 10m
Delta
Deal found 3/3C$ 449

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Sat 18/4

8:23 p.m.-3:09 p.m.

1 stop18h 46m

Winnipeg

Sat 25/4

9:00 p.m.-6:50 a.m.

2 stops33h 50m

C$ 415

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 4/5

5:59 p.m.-10:56 p.m.

1 stop6h 57m

Vancouver Intl

Sat 16/5

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

1 stop10h 08m

C$ 434

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 19/4

6:30 a.m.-11:33 a.m.

1 stop7h 03m

Vancouver Intl

Wed 22/4

1:59 p.m.-11:11 p.m.

1 stop7h 12m

C$ 449

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 18/4

5:00 p.m.-10:31 p.m.

1 stop7h 31m

Vancouver Intl

Wed 22/4

11:18 a.m.-12:25 a.m.

2 stops11h 07m

C$ 461

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 22/4

2:20 p.m.-11:01 p.m.

2 stops10h 41m

Vancouver Intl

Wed 29/4

6:45 a.m.-5:26 p.m.

1 stop8h 41m

C$ 461

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 20/4

2:20 p.m.-9:10 p.m.

2 stops8h 50m

Vancouver Intl

Mon 27/4

7:30 p.m.-11:32 a.m.

2 stops14h 02m

C$ 521

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 8/6

1:13 p.m.-10:20 p.m.

1 stop11h 07m

Vancouver Intl

Sat 13/6

8:25 a.m.-6:17 p.m.

1 stop7h 52m

C$ 527

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 7/6

1:13 p.m.-10:20 p.m.

1 stop11h 07m

Vancouver Intl

Sat 13/6

8:25 a.m.-6:17 p.m.

1 stop7h 52m

C$ 530

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Fri 17/4

9:55 p.m.-3:09 p.m.

2 stops41h 14m

Winnipeg

Fri 24/4

7:30 a.m.-6:50 a.m.

1 stop23h 20m

C$ 546

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Thu 14/5

1:00 p.m.-11:18 p.m.

2 stops10h 18m

Winnipeg

Wed 20/5

11:00 a.m.-8:25 p.m.

1 stop9h 25m

C$ 548

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

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

Currently, July is the cheapest month in which you can book a flight from St. Louis (average of C$ 298). Flying from St. Louis in February will prove the most costly (average of C$ 1,748). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Airports servicing St. Louis

Fly out of one of these airports located in St. Louis.

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 7 March 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, Dallas/Fort Worth Airport. 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$ 202 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 641 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$ 1,431
    Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport starting at C$ 2,689
    Fly from Lambert-St Louis to Toronto Pearson Intl Airport starting at C$ 5,373

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

    At the present moment the cheapest month to fly from St. Louis is currently July; with February 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 Montreal from C$ 496 round trip
    Travel from St. Louis to Toronto from C$ 544 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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