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C$ 192+ 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 17/11. 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
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

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 23 July 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. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 30/8

6:17 p.m.-3:15 p.m.

2 stops21h 58m

Calgary

Fri 4/9

7:00 a.m.-5:22 p.m.

1 stop9h 22m

C$ 521

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 23/9

12:46 p.m.-4:15 p.m.

1 stop29h 29m

Vancouver Intl

Mon 28/9

7:30 p.m.-9:40 a.m.

2 stops12h 10m

C$ 524

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 6/1

6:30 a.m.-2:24 p.m.

1 stop8h 54m

Vancouver Intl

Wed 13/1

1:15 p.m.-10:18 p.m.

1 stop8h 03m

C$ 540

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 29/9

9:04 a.m.-10:26 p.m.

1 stop15h 22m

Vancouver Intl

Sat 3/10

12:10 p.m.-10:30 p.m.

1 stop8h 20m

C$ 568

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 15/8

5:10 a.m.-9:51 a.m.

1 stop6h 41m

Vancouver Intl

Wed 19/8

8:35 a.m.-8:46 p.m.

1 stop10h 11m

C$ 568

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 12/9

4:40 p.m.-10:56 p.m.

1 stop8h 16m

Vancouver Intl

Tue 22/9

3:15 p.m.-3:38 p.m.

2 stops22h 23m

C$ 575

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 26/9

5:46 p.m.-11:00 a.m.

1 stop18h 14m

Calgary

Thu 8/10

12:20 a.m.-9:16 p.m.

1 stop19h 56m

C$ 578

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 9/9

10:40 a.m.-5:10 p.m.

1 stop7h 30m

Calgary

Wed 16/9

10:15 a.m.-11:16 p.m.

1 stop12h 01m

C$ 579

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 10/9

8:50 a.m.-10:25 p.m.

1 stop15h 35m

Vancouver Intl

Wed 16/9

1:25 a.m.-2:00 p.m.

1 stop10h 35m

C$ 581

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 14/11

6:30 a.m.-2:24 p.m.

1 stop8h 54m

Vancouver Intl

Mon 14/12

1:15 p.m.-10:18 p.m.

1 stop8h 03m

C$ 586

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/7

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, December is the cheapest month in which you can book a flight from St. Louis (average of C$ 657). Flying from St. Louis in January will prove the most costly (average of C$ 1,291). 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$ 334

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 (847 flights per day), Atlanta (237 flights per day) and Detroit (212 flights per day).

Toronto
Toronto
From C$ 195
Los Angeles
Los Angeles
From C$ 983
Chicago
Chicago
From C$ 589
Washington, D.C.
Washington, D.C.
From C$ 831

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$ 195. Explore other affordable destinations below.

Toronto
Toronto
From C$ 195
Salt Lake City
Salt Lake City
From C$ 210
Chicago
Chicago
From C$ 589
Washington, D.C.
Washington, D.C.
From C$ 831

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
11,371 reviews
Check prices

Overall

7.1

Boarding

7.3

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

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
11,371 reviews
Air Canada
7.1
Good
11,371 reviews
Check prices

Overall

7.1

Boarding

7.3

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

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 23 July 2026.

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

    This month, the top selected destinations from St. Louis are Denver, Atlanta, Boston. 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$ 195 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 599 to fly from St. Louis.

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

    At the present moment the cheapest month to fly from St. Louis is currently December; 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 Toronto from C$ 579 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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