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St. Louis

$149+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 December 19, 2024.

Round-trip from

$270
(American Airlines)

One-way from

$149
(Kiwi.com)
From Canada to Lambert-St Louis
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One-way flight from Canada to Lambert-St Louis
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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 December 19, 2024.

This Orbitz deal was found by Cheapflights users on 12/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:45 pmYVR - STL
1 stop7h 21mWestJet
Sun 12/296:04 amSTL - YVR
2 stops16h 39mWestJet
Deal found 12/17$570
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Sun 12/291:50 pmYYZ - STL
Nonstop2h 16mAir Canada
Sun 1/53:50 pmSTL - YYZ
Nonstop1h 55mAir Canada
Deal found 12/19$585
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sat 12/2812:20 pmYYZ - STL
2 stops10h 25mUnited Airlines
Thu 1/28:35 amSTL - YYZ
1 stop13h 17mUnited Airlines
Deal found 12/18$588
This WestJet deal was found by Cheapflights users on 12/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:00 amYYC - STL
1 stop6h 49mWestJet
Mon 12/235:17 pmSTL - YYC
1 stop27h 47mWestJet
Deal found 12/19$613
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/226:30 amYVR - STL
1 stop11h 27mUnited Airlines
Sun 1/54:43 pmSTL - YVR
2 stops22h 36mUnited Airlines
Deal found 12/18$704
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/257:00 amYVR - STL
1 stop10h 30mAmerican Airlines
Sun 12/295:21 amSTL - YVR
1 stop18h 04mAmerican Airlines
Deal found 12/17$716
This Air Canada deal was found by Cheapflights users on 12/18. 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.
Sat 12/289:05 pmYYJ - STL
2 stops16h 42mAir Canada
Sat 1/114:36 pmSTL - YYJ
2 stops18h 39mAir Canada
Deal found 12/18$722
This American Airlines deal was found by Cheapflights users on 12/19. 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 12/275:25 pmYYZ - STL
1 stop5h 23mAmerican Airlines
Mon 12/307:23 amSTL - YYZ
1 stop6h 46mAmerican Airlines
Deal found 12/19$727
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/2612:45 pmYVR - STL
1 stop7h 21mMultiple Airlines
Mon 12/306:49 pmSTL - YVR
2 stops22h 55mMultiple Airlines
Deal found 12/17$762
This Kiwi.com deal was found by Cheapflights users on 12/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:05 amYYZ - STL
2 stops17h 23mMultiple Airlines
Sun 12/294:27 pmSTL - YYZ
1 stop18h 15mMultiple Airlines
Deal found 12/18$775
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Sun 12/2910:05 amYOW - STL
1 stop6h 01mAir Canada
Sun 1/58:00 amSTL - YOW
1 stop12h 24mAir Canada
Deal found 12/19$802
This United deal was found by Cheapflights users on 12/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:30 amYOW - STL
2 stops11h 17mMultiple Airlines
Sun 1/58:00 amSTL - YOW
1 stop12h 24mMultiple Airlines
Deal found 12/19$807

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 1/14

1:40 pm-10:56 pm

1 stop7h 16m

Lambert-St Louis

Mon 1/20

1:40 pm-9:24 pm

1 stop9h 44m

$270

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 2/1

6:15 am-3:06 pm

1 stop7h 51m

Lambert-St Louis

Sat 2/8

3:50 pm-11:18 pm

1 stop8h 28m

$291

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 1/19

6:35 am-9:49 pm

2 stops14h 14m

Lambert-St Louis

Sun 1/26

2:13 pm-11:18 pm

1 stop10h 05m

$296

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 1/14

7:00 am-6:09 pm

1 stop9h 09m

Lambert-St Louis

Mon 1/20

4:36 pm-1:19 pm

2 stops22h 43m

$310

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 3/6

12:55 pm-10:17 pm

1 stop7h 22m

Lambert-St Louis

Thu 3/13

6:00 am-12:01 am

2 stops20h 01m

$315

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 2/18

7:00 am-10:17 pm

2 stops14h 17m

Lambert-St Louis

Mon 2/24

5:30 pm-7:05 pm

2 stops26h 35m

$318

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 2/18

6:15 am-11:43 pm

1 stop18h 28m

Lambert-St Louis

Mon 2/24

11:08 pm-4:35 pm

1 stop16h 27m

$323

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 1/14

7:00 am-9:33 pm

2 stops12h 33m

Lambert-St Louis

Mon 1/20

10:22 am-6:30 pm

2 stops10h 08m

$325

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 1/9

2:55 pm-7:55 pm

3 stops30h 00m

Lambert-St Louis

Sun 1/12

4:28 pm-1:55 pm

2 stops20h 27m

$412

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 2/26

6:43 pm-8:54 am

1 stop15h 11m

Lambert-St Louis

Tue 3/4

6:06 am-4:08 pm

1 stop9h 02m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 48 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, August is the cheapest month in which you can book a flight from Canada to St. Louis (average of $311). Flying from Canada to St. Louis in March is currently the most expensive (average of $356). 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 December 19, 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 December 19, 2024.

The most flights from CA0 to STL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 December 19, 2024.
To help decide which airline to fly from Canada to St. Louis, see what other customers have to say about American Airlines, Air Canada 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
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,600 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,048 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,819 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 $159 on Delta. Other airlines that offer cheap prices include Air Canada from $168 and WestJet from $176 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 Montreal Pierre Elliott Trudeau Intl - 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 United Airlines (91%), Air Canada (91%) or Jazz (91%) 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 $218. While the most popular route (Toronto Pearson Intl - Lambert-St Louis) can be booked for $261 on average our data indicates $304 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 $311). Flying from Canada to St. Louis in March is currently the most expensive (average of $356). 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$183Average$539FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$264Average$527FlexibilityNo cancel feeOn-time67%
DeltaCheapest$350Average$474FlexibilityNo cancel feeOn-timeN/A
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