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$103+ Cheap flights from St. Louis (STL) to Canada

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Canada

Keep the following information in mind while searching for St. Louis to Canada flight deals. Data was last updated September 11, 2025.

Round-trip from

$224
(Kiwi.com)

One-way from

$103
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$488

Good round-trip deal

$672 or less

Good one-way deal

$349 or less
From Lambert-St Louis to Canada
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One-way flight from Lambert-St Louis to Canada
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Canada.
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Price to beat on a one-way flight from Lambert-St Louis to Canada.
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Find flight deals from St. Louis to Canada

Cheapest flights from St. Louis to Canada
Explore the most affordable flight options available from St. Louis to Canada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:54 pmSTL - YVR
1 stop26h 26mMultiple Airlines
Thu 12/45:30 pmYVR - STL
1 stop25h 25mMultiple Airlines
Deal found 9/9$224
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:58 pmSTL - YVR
1 stop9h 04mMultiple Airlines
Thu 10/95:35 pmYVR - STL
1 stop16h 08mMultiple Airlines
Deal found 9/9$231
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:32 amSTL - YVR
2 stops12h 19mMultiple Airlines
Thu 10/305:30 pmYVR - STL
1 stop18h 27mMultiple Airlines
Deal found 9/9$244
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:32 amSTL - YVR
2 stops12h 19mMultiple Airlines
Wed 10/2911:00 pmYVR - STL
1 stop9h 12mMultiple Airlines
Deal found 9/8$258
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:51 pmSTL - YVR
1 stop9h 11mMultiple Airlines
Sat 11/17:00 amYVR - STL
2 stops49h 07mMultiple Airlines
Deal found 9/10$260
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:57 amSTL - YYZ
1 stop11h 55mMultiple Airlines
Thu 10/161:30 pmYYZ - STL
2 stops23h 13mMultiple Airlines
Deal found 9/9$261
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:11 amSTL - YVR
1 stop11h 37mMultiple Airlines
Thu 10/306:45 pmYVR - STL
2 stops19h 12mMultiple Airlines
Deal found 9/8$269
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:52 pmSTL - YVR
2 stops26h 56mMultiple Airlines
Wed 10/2911:00 pmYVR - STL
1 stop9h 12mMultiple Airlines
Deal found 9/8$271
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:11 amSTL - YVR
1 stop11h 37mMultiple Airlines
Wed 10/2911:00 pmYVR - STL
1 stop9h 12mMultiple Airlines
Deal found 9/8$274
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:32 amSTL - YVR
2 stops12h 19mMultiple Airlines
Mon 10/279:10 amYVR - STL
1 stop8h 16mMultiple Airlines
Deal found 9/8$279
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:34 pmSTL - YYC
1 stop21h 00mAmerican Airlines
Sat 11/16:45 amYYC - STL
2 stops14h 23mAmerican Airlines
Deal found 9/9$285
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:57 amSTL - YYZ
1 stop26h 43mMultiple Airlines
Sun 11/24:00 pmYYZ - STL
2 stops42h 07mMultiple Airlines
Deal found 9/11$286

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

St. Louis

Fly to

Canada

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 11/20

9:54 pm-10:20 pm

1 stop26h 26m

Vancouver Intl

Thu 12/4

5:30 pm-8:55 pm

1 stop25h 25m

$224

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 10/3

9:56 am-11:21 pm

1 stop14h 25m

Calgary

Fri 10/10

1:29 pm-8:09 am

1 stop17h 40m

$299

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 10/10

4:34 pm-1:36 pm

1 stop20h 02m

Québec City

Fri 10/24

4:14 pm-9:09 am

1 stop17h 55m

$299

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 10/13

4:34 pm-1:36 pm

1 stop20h 02m

Québec City

Fri 10/17

4:14 pm-8:09 am

1 stop16h 55m

$299

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/22

8:04 pm-1:36 pm

1 stop16h 32m

Québec City

Sat 10/25

4:14 pm-7:09 pm

1 stop27h 55m

$299

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/11

8:00 pm-12:30 pm

1 stop18h 30m

Vancouver Intl

Wed 10/15

1:28 pm-8:09 am

1 stop16h 41m

$310

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 10/5

8:03 pm-12:30 pm

1 stop18h 27m

Vancouver Intl

Fri 10/10

1:28 pm-8:09 am

1 stop16h 41m

$310

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/20

4:34 pm-12:34 pm

1 stop21h 00m

Calgary

Thu 10/23

1:29 pm-8:09 am

1 stop17h 40m

$323

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 10/23

2:15 pm-1:30 pm

2 stops21h 15m

Halifax Intl

Thu 10/30

2:15 pm-1:44 pm

2 stops25h 29m

$325

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 1/14

3:36 pm-12:45 pm

1 stop22h 09m

Calgary

Sat 1/24

1:40 pm-1:47 pm

1 stop23h 07m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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

Have a flexible travel schedule? Discover the best time to fly to Canada 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Canada

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Canada (average of $243). Flying from St. Louis to Canada in August is currently the most expensive (average of $348). 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.

What is the cheapest time of day to fly from STL to CA?

Find hourly flight availability from St. Louis to Canada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Canada, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from St. Louis to Canada

Explore weekly flight availability from St. Louis to Canada. 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 September 11, 2025.

The most flights from STL to CA0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Canada

Get insights into the airlines that provide service to Canada. 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 Canada. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from St. Louis to Canada by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,091 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Canada. 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 Canada?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Canada.

  • How long is the flight from St. Louis to Canada?

    There are many flights that can get you from St. Louis to Canada in 9h 23m. Fly via American Airlines, Alaska Airlines, or United Airlines to get the fastest option. The distance between St. Louis and Canada is about 1613 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from St. Louis to Canada?

    The most popular flight routes from St. Louis to Canada are Lambert-St Louis - Toronto Pearson Intl, Lambert-St Louis - Vancouver Intl and Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from St. Louis to Canada?

    No one likes to see their flight delayed. When booking a flight from St. Louis to Canada consider choosing Air Canada (86%), Jazz (86%) or United Airlines (57%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from St. Louis to Canada?

    Looking at all options, your cheapest flight can be booked for $252. While the most popular route (Lambert-St Louis - Toronto Pearson Intl) can be booked for $261 on average, our data indicates $1,023 when flying from St. Louis to Canada.

  • Can I find deals for flights from St. Louis to Canada that include hotel bookings?

    Yes. In addition to deals on St. Louis to Canada flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Canada?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Canada.

  • Can I find deals for business class flights from St. Louis to Canada?

    Yes. Cheapflights offers flight deals from St. Louis to Canada by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Canada (average of $243). Flying from St. Louis to Canada in August is currently the most expensive (average of $348). 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.

See more FAQs

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Alternative routes for St. Louis to Canada

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from St. Louis to Canada

Discover the top 6 airlines that operate flights from St. Louis to Canada. 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$162Average$580FlexibilityNo cancel feeOn-time67%
DeltaCheapest$168Average$596FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$652FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$330Average$607FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$360Average$562FlexibilityNo cancel feeOn-time75%
WestJetCheapest$407Average$587FlexibilityNo cancel feeOn-time60%

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