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St. Louis

$167+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Canada to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Canada (CA0) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find 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 November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/93:55 pmYUL - STL
1 stop24h 26mMultiple Airlines
Mon 12/168:34 pmSTL - YUL
1 stop19h 01mMultiple Airlines
Deal found 11/20$333
This Delta deal was found by Cheapflights users on 11/18. 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.
Wed 11/277:00 amYYC - STL
2 stops15h 41mDelta
Tue 12/37:15 amSTL - YYC
2 stops16h 54mDelta
Deal found 11/18$349
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 11/2712:45 pmYYC - STL
1 stop8h 53mAmerican Airlines
Tue 12/34:03 pmSTL - YYC
1 stop6h 48mAmerican Airlines
Deal found 11/18$358
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/212:20 amYYC - STL
2 stops10h 44mWestJet
Tue 12/35:05 pmSTL - YYC
2 stops29h 41mWestJet
Deal found 11/18$392
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1312:20 pmYYZ - STL
2 stops24h 25mMultiple Airlines
Mon 12/165:00 pmSTL - YYZ
3 stops28h 35mMultiple Airlines
Deal found 11/20$464
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/36:19 amYYC - STL
1 stop5h 24mMultiple Airlines
Tue 12/33:50 pmSTL - YYC
1 stop8h 28mMultiple Airlines
Deal found 11/18$473
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:15 pmYYZ - STL
1 stop6h 28mDelta
Mon 12/163:40 pmSTL - YYZ
1 stop6h 10mDelta
Deal found 11/19$479
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:00 amYYZ - STL
1 stop7h 34mAir Canada
Sun 12/155:40 pmSTL - YYZ
1 stop5h 19mAir Canada
Deal found 11/19$481
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 11/237:00 amYVR - STL
1 stop7h 56mUnited Airlines
Sun 12/19:44 pmSTL - YVR
2 stops22h 19mUnited Airlines
Deal found 11/19$483
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:15 amYYZ - STL
1 stop4h 30mAmerican Airlines
Fri 12/205:03 amSTL - YYZ
1 stop9h 42mAmerican Airlines
Deal found 11/19$490
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/127:20 amYYZ - STL
2 stops9h 14mUnited Airlines
Sun 12/155:40 pmSTL - YYZ
1 stop5h 19mUnited Airlines
Deal found 11/19$493
This Air Canada deal was found by Cheapflights users on 11/18. 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.
Tue 11/2612:50 amYYC - STL
1 stop13h 16mAir Canada
Tue 12/34:31 pmSTL - YYC
1 stop6h 10mAir Canada
Deal found 11/18$521

Find flights from Canada to St. Louis within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

2:09 pm-8:43 pm

1 stop5h 34m

Lambert-St Louis

Mon 1/20

4:36 pm-9:41 pm

1 stop6h 05m

$299

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

6:35 am-8:56 pm

2 stops13h 21m

Lambert-St Louis

Mon 1/20

3:35 pm-8:53 pm

1 stop6h 18m

$300

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/10

6:15 am-3:06 pm

1 stop7h 51m

Lambert-St Louis

Mon 1/13

3:50 pm-11:18 pm

1 stop8h 28m

$305

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 2/26

6:30 am-5:06 pm

1 stop8h 36m

Lambert-St Louis

Sat 3/1

4:39 pm-9:43 pm

1 stop7h 04m

$323

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

9:45 pm-6:02 pm

2 stops19h 17m

Lambert-St Louis

Mon 1/20

5:30 pm-7:08 pm

2 stops26h 38m

$325

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 12/9

3:55 pm-3:21 pm

1 stop24h 26m

Lambert-St Louis

Mon 12/16

8:34 pm-4:35 pm

1 stop19h 01m

$333

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 2/14

6:30 am-3:40 pm

1 stop7h 10m

Lambert-St Louis

Tue 2/18

4:39 pm-4:58 pm

2 stops26h 19m

$350

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 2/14

6:15 pm-9:22 am

2 stops13h 07m

Lambert-St Louis

Tue 2/18

10:22 am-6:23 pm

2 stops10h 01m

$402

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Sat 1/4

5:30 pm-11:10 am

1 stop15h 40m

Lambert-St Louis

Sat 1/11

6:46 pm-1:45 pm

2 stops20h 59m

$447

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 1/3

6:00 am-9:08 am

2 stops53h 08m

Lambert-St Louis

Fri 1/10

1:35 pm-1:30 am

2 stops9h 55m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 56 results
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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.

Travel insights for flights from Canada to St. Louis

Get recent, data-driven insights about flights from Canada to St. Louis including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Canada to St. Louis (average of $308). Flying from Canada to St. Louis in March is currently the most expensive (average of $357). 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 November 20, 2024.

When flying from Canada to St. Louis, 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 Canada to St. Louis

Explore weekly flight availability from Canada to St. Louis. 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 November 20, 2024.

The most flights from CA0 to STL are scheduled on a Monday (2 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 November 20, 2024.
To help decide which airline to fly from Canada to St. Louis, see what other customers have to say about Air Canada, Alaska Airlines and Delta. 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.
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.2

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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.

  • 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 $167 on Air Canada. Other airlines that offer cheap prices include United Airlines from $196 and WestJet from $204 one-way.

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

    Most travelers choose Toronto Pearson Intl - Lambert-St Louis, Vancouver Intl - Lambert-St Louis or Calgary - Lambert-St Louis when deciding on the best route from Canada to St. Louis.

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

    Consider Air Canada (82%), Jazz (82%) or United Airlines (80%) 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 $185. While the most popular route (Toronto Pearson Intl - Lambert-St Louis) can be booked for $258 on average our data indicates $382 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, September is the cheapest month in which you can book a flight from Canada to St. Louis (average of $308). Flying from Canada to St. Louis in March is currently the most expensive (average of $357). 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 Canada to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Canada to St. Louis

Discover the top 3 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$183Average$594FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$264Average$600FlexibilityNo cancel feeOn-time67%
DeltaCheapest$350Average$484FlexibilityNo cancel feeOn-timeN/A
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