St. Louis

$150+ Cheap flights from Canada to St. Louis (STL)

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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
abr. 23 — abr. 301
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Cheap flight deals from Canada to St. Louis

Cheapest flights from Canada to St. Louis
Explore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/911:35 pm
YVR
-
STL
1 stop7h 06m
United Airlines
mié. 6/245:10 am
STL
-
YVR
1 stop6h 41m
United Airlines
Deal found 3/24$254
This American Airlines deal was found by Cheapflights users on 3/24. 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.
sáb. 4/186:00 am
YVR
-
STL
1 stop11h 30m
American Airlines
dom. 4/265:20 am
STL
-
YVR
1 stop7h 28m
American Airlines
Deal found 3/24$258
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2012:05 pm
YVR
-
STL
1 stop9h 08m
Delta
vie. 4/246:20 am
STL
-
YVR
1 stop6h 30m
Delta
Deal found 3/24$264
This American Airlines deal was found by Cheapflights users on 3/20. 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.
lun. 5/252:27 pm
YHZ
-
STL
1 stop11h 32m
American Airlines
vie. 5/296:15 am
STL
-
YHZ
1 stop5h 27m
American Airlines
Deal found 3/20$283
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/236:35 am
YVR
-
STL
1 stop8h 51m
Delta
mar. 4/286:20 am
STL
-
YVR
1 stop6h 30m
Delta
Deal found 3/22$283
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/164:50 pm
YHZ
-
STL
1 stop6h 36m
United Airlines
lun. 7/206:00 am
STL
-
YHZ
1 stop7h 58m
United Airlines
Deal found 3/20$285
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/284:50 pm
YHZ
-
STL
1 stop7h 54m
United Airlines
dom. 5/316:00 am
STL
-
YHZ
1 stop7h 58m
United Airlines
Deal found 3/21$289
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/256:25 am
YOW
-
STL
1 stop10h 21m
United Airlines
vie. 5/296:00 am
STL
-
YOW
1 stop6h 59m
United Airlines
Deal found 3/21$304
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/186:15 am
YVR
-
STL
2 stops13h 16m
Delta
dom. 4/266:20 am
STL
-
YVR
1 stop6h 30m
Delta
Deal found 3/24$306
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/55:25 pm
YOW
-
STL
1 stop4h 48m
United Airlines
mié. 5/66:30 am
STL
-
YOW
1 stop14h 05m
United Airlines
Deal found 3/19$308
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/15:25 pm
YOW
-
STL
1 stop6h 25m
United Airlines
mar. 5/59:21 am
STL
-
YOW
1 stop11h 14m
United Airlines
Deal found 3/23$309
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/46:00 am
YHZ
-
STL
1 stop8h 06m
Air Canada
lun. 5/111:05 pm
STL
-
YHZ
1 stop8h 51m
Air Canada
Deal found 3/20$313

Find flight deals from Canada to St. Louis

Keep the following information in mind while searching for Canada to St. Louis flight deals. Data was last updated marzo 24, 2026.

Round-trip from

$264
(Delta)

One-way from

$150
(Air Canada)

Popular in

March

Cheapest in

June

Average price

$925

Good round-trip deal

$283 or less

Good one-way deal

$291 or less
From Canada to Lambert-St Louis
One-way flight from Canada to Lambert-St Louis
Highest demand for flights based on searches. 20% potential increase in price ($125 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Canada to Lambert-St Louis.
Price to beat on a one-way flight from Canada to Lambert-St Louis.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to St. Louis 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 marzo 24, 2026.
Use the filters below to find and compare flights from Canada to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

mar. 6/9

11:35 pm-8:41 am

1 stop7h 06m

Lambert-St Louis

mié. 6/24

5:10 am-9:51 am

1 stop6h 41m

$254

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

lun. 4/20

12:05 pm-11:13 pm

1 stop9h 08m

Lambert-St Louis

vie. 4/24

6:20 am-10:50 am

1 stop6h 30m

$264

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

jue. 5/7

1:16 pm-12:30 am

1 stop9h 14m

Lambert-St Louis

sáb. 5/9

7:00 am-12:11 pm

1 stop7h 11m

$264

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

lun. 4/20

1:59 pm-8:25 am

1 stop16h 26m

Lambert-St Louis

lun. 4/27

8:15 pm-11:33 am

1 stop17h 18m

$264

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

jue. 4/23

6:35 am-11:36 pm

2 stops15h 01m

Lambert-St Louis

mar. 4/28

6:20 am-10:50 am

1 stop6h 30m

$264

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

dom. 4/26

11:18 am-12:25 am

2 stops11h 07m

Lambert-St Louis

mié. 4/29

7:00 am-6:40 pm

2 stops13h 40m

$264

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

jue. 7/16

4:50 pm-9:26 pm

1 stop6h 36m

Lambert-St Louis

lun. 7/20

6:00 am-3:58 pm

1 stop7h 58m

$285

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

jue. 5/28

4:50 pm-10:44 pm

1 stop7h 54m

Lambert-St Louis

dom. 5/31

6:00 am-3:58 pm

1 stop7h 58m

$289

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

lun. 5/25

7:00 am-3:46 pm

2 stops10h 46m

Lambert-St Louis

vie. 5/29

6:00 am-3:58 pm

1 stop7h 58m

$289

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

mar. 5/5

5:25 pm-9:13 pm

1 stop4h 48m

Lambert-St Louis

mié. 5/6

6:30 am-9:35 pm

1 stop14h 05m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Canada to St. Louis

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

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

Currently, August is the cheapest month in which you can book a flight from Canada to St. Louis (average of $194). Flying from Canada to St. Louis in April is currently the most expensive (average of $358). 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 CA to STL?

Find hourly flight availability from Canada to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 24, 2026.

When flying from Canada to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 38% versus a flight in the afternoon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to 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 an airline for your flight to St. Louis. Reviews last updated marzo 24, 2026.
Read reviews from past customers who have flown Alaska Airlines,United Airlines, andAmerican Airlines from Canada to St. Louis. 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.

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Related info for your journey

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

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Canada. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    There are many flights that can get you from Canada to St. Louis in 7h 06m. Fly via United Airlines, Delta, or Air Canada to get the fastest option. The distance from Canada to St. Louis is about 1765 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Canada to St. Louis one-way?

    One-way options have recently been found by users for as low as $160 on United Airlines. Other airlines that offer cheap prices include Air Canada from $178 and Delta from $190 one-way.

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

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

    Consider United Airlines (72%), Air Canada (71%) or Jazz (71%) when booking your flight. These represent the most reliable airlines when flying from Canada to St. Louis.

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

    Looking at all options, your cheapest flight can be booked for $222. While the most popular route (Toronto Pearson Intl - Lambert-St Louis) can be booked for $439 on average, our data indicates $379 when flying from Canada to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Canada to St. Louis 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 Canada to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Canada to St. Louis (average of $194). Flying from Canada to St. Louis in April is currently the most expensive (average of $358). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Canada to St. Louis

Discover the top 4 airlines that operate flights from Canada to St. Louis. 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 marzo 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$292Average$483FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$323Average$568FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$344Average$443FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$347Average$440FlexibilityNo cancel feeOn-time71%

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