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

There are many flights that can get you from St. Louis to Canada in 5h 44m. Fly via Alaska Airlines, Air Canada, or United Airlines to get the fastest option. The distance between St. Louis and Canada is about 1438 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

One-way options have recently been found by users for as low as $141 on Air Canada. Other airlines that offer cheap prices include United Airlines from $166 and American Airlines from $167 one-way.

In terms of precipitation, rainfall in Canada ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Canada when rainfall is around 2.0 in.

If weather is an important factor for your trip to Canada, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 - Vancouver Intl, Lambert-St Louis - Toronto Pearson Intl and Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

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

Looking at all options, your cheapest flight can be booked for $229. While the most popular route (Lambert-St Louis - Vancouver Intl) can be booked for $252 on average, our data indicates $1,268 when flying from St. Louis to Canada.

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 (69%), Jazz (69%) or United Airlines (69%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from St. Louis to Canada?

Air Canada, United Airlines and WestJet are the most popular airlines when flying from St. Louis to Canada.

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.

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.

$115+ Flights from St. Louis to Canada

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Cheap flight deals from St. Louis to Canada

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$229 (Kiwi.com)
One-way from	$115 (Kiwi.com)
Popular in	November
Cheapest in	April
Average price	$532
Good round-trip deal	$637 or less
Good one-way deal	$287 or less

Provider with most accurate pricing for Lambert-St Louis-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Toronto (YTO) flights.

Search Deals

From Lambert-St Louis to Canada

Search Deals

One-way flight from Lambert-St Louis to Canada

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($69 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

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 January 8, 2026.

Mon 2/29:45 pmSTL - YVR

2 stops18h 55mMultiple Airlines

Sun 2/83:40 pmYVR - STL

1 stop27h 10mMultiple Airlines

Deal found 1/6

$229

Sun 2/19:32 pmSTL - YVR

1 stop26h 48mMultiple Airlines

Sun 2/83:40 pmYVR - STL

1 stop27h 10mMultiple Airlines

Deal found 1/6

$233

Wed 2/183:49 pmSTL - YYZ

1 stop21h 31mMultiple Airlines

Tue 2/247:15 amYYZ - STL

1 stop16h 12mMultiple Airlines

Deal found 1/5

$235

Thu 2/2610:11 pmSTL - YVR

1 stop26h 09mMultiple Airlines

Mon 3/29:10 amYVR - STL

1 stop8h 42mMultiple Airlines

Deal found 1/6

$246

Thu 3/510:11 pmSTL - YVR

1 stop26h 09mMultiple Airlines

Mon 3/95:30 pmYVR - STL

1 stop23h 41mMultiple Airlines

Deal found 1/6

$253

Tue 2/173:49 pmSTL - YVR

2 stops53h 40mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$256

Mon 3/210:11 pmSTL - YVR

2 stops18h 29mMultiple Airlines

Sun 3/811:00 pmYVR - STL

1 stop12h 19mMultiple Airlines

Deal found 1/6

$258

Mon 1/268:22 pmSTL - YYC

1 stop16h 22mMultiple Airlines

Sat 1/3112:30 amYYC - STL

1 stop29h 21mMultiple Airlines

Deal found 1/5

$259

Tue 2/173:49 pmSTL - YVR

2 stops53h 40mMultiple Airlines

Tue 3/109:30 amYVR - STL

1 stop7h 41mMultiple Airlines

Deal found 1/8

$264

Wed 2/188:17 pmSTL - YVR

1 stop16h 55mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$265

Fri 2/201:59 pmSTL - YVR

2 stops31h 30mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$266

Mon 2/238:22 pmSTL - YYC

1 stop16h 21mMultiple Airlines

Sun 3/112:30 pmYYC - STL

2 stops30h 22mMultiple Airlines

Deal found 1/6

$272

Best flights from St. Louis to Canada
Discover carefully curated flight deals from St. Louis to Canada that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 8, 2026.

Sun 2/19:32 pmSTL - YVR

1 stop26h 48mMultiple Airlines

Sun 2/83:40 pmYVR - STL

1 stop27h 10mMultiple Airlines

Deal found 1/6

$233

Sat 2/282:47 pmSTL - YVR

1 stop11h 23mAlaska Airlines

Wed 3/46:00 amYVR - STL

1 stop5h 51mAlaska Airlines

Deal found 1/6

$301

Thu 6/187:25 amSTL - YHZ

1 stop5h 44mAir Canada

Sun 6/287:05 amYHZ - STL

1 stop7h 16mAir Canada

Deal found 1/6

$323

Fri 2/136:45 pmSTL - YOW

1 stop14h 41mUnited Airlines

Wed 2/1811:10 amYOW - STL

1 stop10h 55mUnited Airlines

Deal found 1/6

$349

Wed 2/186:36 pmSTL - YUL

1 stop19h 28mAmerican Airlines

Mon 2/233:45 pmYUL - STL

1 stop18h 48mAmerican Airlines

Deal found 1/7

$362

Sun 3/86:29 amSTL - YWG

1 stop5h 31mDelta

Sat 3/146:40 amYWG - STL

1 stop7h 44mDelta

Deal found 1/8

$394

Wed 2/183:49 pmSTL - YYZ

1 stop21h 31mMultiple Airlines

Tue 2/247:15 amYYZ - STL

1 stop16h 12mMultiple Airlines

Deal found 1/5

$235

Thu 5/216:30 amSTL - YWG

2 stops36h 53mWestJet

Sat 5/308:50 amYWG - STL

1 stop7h 55mWestJet

Deal found 1/8

$521

Thu 3/510:11 pmSTL - YVR

1 stop26h 09mMultiple Airlines

Mon 3/95:30 pmYVR - STL

1 stop23h 41mMultiple Airlines

Deal found 1/6

$253

Mon 3/210:11 pmSTL - YVR

2 stops18h 29mMultiple Airlines

Sun 3/811:00 pmYVR - STL

1 stop12h 19mMultiple Airlines

Deal found 1/6

$258

Fri 2/277:00 amSTL - YVR

1 stop19h 10mAlaska Airlines

Tue 3/35:45 pmYVR - STL

1 stop18h 06mAlaska Airlines

Deal found 1/6

$316

Wed 5/132:20 pmSTL - YHZ

1 stop8h 04mAir Canada

Sat 5/167:05 amYHZ - STL

1 stop7h 01mAir Canada

Deal found 1/5

$323

Mon 2/211:20 amSTL - YOW

1 stop4h 52mUnited Airlines

Fri 2/65:55 pmYOW - STL

1 stop7h 04mUnited Airlines

Deal found 1/5

$349

Thu 4/167:00 amSTL - YVR

1 stop28h 40mAlaska Airlines

Sun 4/266:00 amYVR - STL

1 stop7h 50mAlaska Airlines

Deal found 1/7

$323

Tue 5/57:30 amSTL - YHZ

1 stop5h 44mAir Canada

Tue 5/126:00 amYHZ - STL

1 stop8h 06mAir Canada

Deal found 1/6

$332

Mon 2/238:22 pmSTL - YYC

1 stop16h 21mMultiple Airlines

Sun 3/17:35 pmYYC - STL

1 stop23h 17mMultiple Airlines

Deal found 1/6

$276

Thu 2/199:37 amSTL - YUL

2 stops12h 19mAmerican Airlines

Wed 2/2512:59 pmYUL - STL

2 stops11h 49mAmerican Airlines

Deal found 1/6

$378

Sun 2/227:41 amSTL - YOW

1 stop12h 37mUnited Airlines

Sun 3/16:20 amYOW - STL

1 stop15h 45mUnited Airlines

Deal found 1/8

$349

Sun 2/157:00 amSTL - YVR

1 stop19h 10mAlaska Airlines

Mon 2/237:55 amYVR - STL

1 stop27h 56mAlaska Airlines

Deal found 1/6

$327

Mon 3/307:47 amSTL - YYZ

1 stop15h 27mMultiple Airlines

Tue 3/317:10 amYYZ - STL

1 stop17h 09mMultiple Airlines

Deal found 1/8

$282

Wed 2/410:10 amSTL - YOW

2 stops10h 46mUnited Airlines

Wed 2/115:11 pmYOW - STL

1 stop6h 47mUnited Airlines

Deal found 1/6

$358

Sat 2/142:47 pmSTL - YVR

1 stop11h 23mAlaska Airlines

Sun 2/156:00 amYVR - STL

1 stop15h 59mAlaska Airlines

Deal found 1/8

$327

Thu 2/266:00 amSTL - YUL

1 stop8h 04mAmerican Airlines

Mon 3/23:45 pmYUL - STL

1 stop18h 48mAmerican Airlines

Deal found 1/6

$420

Thu 1/295:42 pmSTL - YYZ

1 stop19h 38mMultiple Airlines

Tue 2/33:40 pmYYZ - STL

2 stops16h 11mMultiple Airlines

Deal found 1/7

$289

Mon 3/24:05 pmSTL - YWG

1 stop7h 49mAir Canada

Wed 3/47:05 amYWG - STL

1 stop8h 24mAir Canada

Deal found 1/6

$396

Mon 1/196:10 amSTL - YWG

1 stop4h 53mDelta

Thu 1/225:21 pmYWG - STL

1 stop6h 04mDelta

Deal found 1/7

$480

Mon 5/47:00 amSTL - YVR

1 stop28h 40mAlaska Airlines

Sat 5/167:55 amYVR - STL

1 stop14h 02mAlaska Airlines

Deal found 1/7

$337

Thu 5/147:30 amSTL - YWG

1 stop6h 53mAir Canada

Wed 5/202:00 pmYWG - STL

1 stop6h 04mAir Canada

Deal found 1/7

$396

Mon 2/910:16 amSTL - YYZ

1 stop12h 58mMultiple Airlines

Mon 2/167:45 amYYZ - STL

2 stops31h 06mMultiple Airlines

Deal found 1/6

$303

Sun 2/227:00 amSTL - YYJ

1 stop29h 44mAlaska Airlines

Sun 3/16:09 amYYJ - STL

1 stop15h 50mAlaska Airlines

Deal found 1/8

$340

Last-minute flights from St. Louis to Canada
Discover last-minute flight deals from St. Louis to Canada. Data last updated January 8, 2026 and is based on user searches.

Mon 1/268:22 pmSTL - YYC

1 stop16h 22mMultiple Airlines

Sat 1/3112:30 amYYC - STL

1 stop29h 21mMultiple Airlines

Deal found 1/5

$259

Thu 1/295:42 pmSTL - YYZ

1 stop19h 38mMultiple Airlines

Tue 2/37:15 amYYZ - STL

1 stop17h 18mMultiple Airlines

Deal found 1/7

$282

Sun 2/19:32 pmSTL - YVR

1 stop26h 48mMultiple Airlines

Sun 2/83:40 pmYVR - STL

1 stop27h 10mMultiple Airlines

Deal found 1/6

$233

Mon 2/29:45 pmSTL - YVR

2 stops18h 55mMultiple Airlines

Sun 2/83:40 pmYVR - STL

1 stop27h 10mMultiple Airlines

Deal found 1/6

$229

Thu 2/510:01 pmSTL - YVR

1 stop26h 19mMultiple Airlines

Sun 2/86:00 amYVR - STL

1 stop5h 54mMultiple Airlines

Deal found 1/5

$271

Tue 2/173:49 pmSTL - YVR

2 stops53h 40mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$256

Tue 2/173:49 pmSTL - YVR

2 stops53h 40mMultiple Airlines

Tue 3/109:30 amYVR - STL

1 stop7h 41mMultiple Airlines

Deal found 1/8

$264

Wed 2/183:49 pmSTL - YYZ

1 stop21h 31mMultiple Airlines

Tue 2/247:15 amYYZ - STL

1 stop16h 12mMultiple Airlines

Deal found 1/5

$235

Wed 2/188:17 pmSTL - YVR

1 stop16h 55mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$265

Fri 2/201:59 pmSTL - YVR

2 stops31h 30mMultiple Airlines

Mon 3/93:40 pmYVR - STL

1 stop25h 31mMultiple Airlines

Deal found 1/8

$266

Mon 2/238:22 pmSTL - YYC

1 stop16h 21mMultiple Airlines

Sun 3/112:30 pmYYC - STL

2 stops30h 22mMultiple Airlines

Deal found 1/6

$272

Thu 2/2610:11 pmSTL - YVR

1 stop26h 09mMultiple Airlines

Mon 3/29:10 amYVR - STL

1 stop8h 42mMultiple Airlines

Deal found 1/6

$246

One-way flights from St. Louis to Canada
Search for one-way flight options from St. Louis to Canada. Find affordable one-way fares based on user searches. Data last updated January 8, 2026.

Wed 1/213:46 pmSTL - YVR

2 stops26h 45mMultiple Airlines

Deal found 1/7

$115

Tue 4/287:00 amSTL - YVR

1 stop7h 50mAlaska Airlines

Deal found 1/5

$130

Thu 2/1910:11 pmSTL - YYZ

2 stops38h 29mMultiple Airlines

Deal found 1/7

$132

Tue 4/287:00 amSTL - YVR

3 stops35h 10mMultiple Airlines

Deal found 1/5

$134

Thu 1/2910:01 pmSTL - YYC

3 stops43h 14mMultiple Airlines

Deal found 1/7

$135

Thu 1/225:42 pmSTL - YYC

2 stops19h 02mMultiple Airlines

Deal found 1/7

$136

Wed 4/297:00 amSTL - YVR

3 stops17h 25mMultiple Airlines

Deal found 1/7

$136

Thu 1/225:42 pmSTL - YWG

2 stops21h 25mMultiple Airlines

Deal found 1/7

$140

Thu 4/307:00 amSTL - YVR

3 stops17h 25mMultiple Airlines

Deal found 1/6

$143

Wed 4/297:00 amSTL - YVR

1 stop11h 51mAlaska Airlines

Deal found 1/7

$147

Sun 2/227:41 amSTL - YOW

1 stop8h 26mUnited Airlines

Deal found 1/8

$147

Thu 4/3010:50 amSTL - YVR

2 stops14h 11mDelta

Deal found 1/7

$148

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 2/1

9:32 pm-10:20 pm

1 stop26h 48m

Vancouver Intl

Sun 2/8

3:40 pm-8:50 pm

1 stop27h 10m

$233

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 2/18

3:49 pm-2:20 pm

1 stop21h 31m

Toronto Pearson Intl

Tue 2/24

7:15 am-10:27 pm

1 stop16h 12m

$235

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 3/5

10:11 pm-10:20 pm

1 stop26h 09m

Vancouver Intl

Mon 3/9

5:30 pm-7:11 pm

1 stop23h 41m

$253

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 3/2

10:11 pm-2:40 pm

2 stops18h 29m

Vancouver Intl

Sun 3/8

11:00 pm-1:19 pm

1 stop12h 19m

$258

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 2/23

8:22 pm-11:43 am

1 stop16h 21m

Calgary

Sun 3/1

7:35 pm-7:52 pm

1 stop23h 17m

$276

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 3/30

7:47 am-12:14 am

1 stop15h 27m

Toronto Pearson Intl

Tue 3/31

7:10 am-11:19 pm

1 stop17h 09m

$282

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 1/29

5:42 pm-2:20 pm

1 stop19h 38m

Toronto Pearson Intl

Tue 2/3

3:40 pm-6:51 am

2 stops16h 11m

$289

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 2/28

2:47 pm-12:10 am

1 stop11h 23m

Vancouver Intl

Wed 3/4

6:00 am-1:51 pm

1 stop5h 51m

$301

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 2/9

10:16 am-12:14 am

1 stop12h 58m

Toronto Pearson Intl

Mon 2/16

7:45 am-1:51 pm

2 stops31h 06m

$303

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Fri 2/27

7:00 am-12:10 am

1 stop19h 10m

Vancouver Intl

Tue 3/3

5:45 pm-1:51 pm

1 stop18h 06m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 60 results

...

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, February is the cheapest month in which you can book a flight from St. Louis to Canada (average of $161). Flying from St. Louis to Canada in January is currently the most expensive (average of $305). 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?

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

The most flights from STL to CA0 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).

Reviews of airlines servicing Canada

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

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,027 reviews

Delta

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,139 reviews

Delta

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,097 reviews

Delta

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,235 reviews

Delta

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,603 reviews

Delta

7.9

Good

8,027 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 5h 44m. Fly via Alaska Airlines, Air Canada, or United Airlines to get the fastest option. The distance between St. Louis and Canada is about 1438 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from St. Louis to Canada one-way?
One-way options have recently been found by users for as low as $141 on Air Canada. Other airlines that offer cheap prices include United Airlines from $166 and American Airlines from $167 one-way.
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 - Vancouver Intl, Lambert-St Louis - Toronto Pearson 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 (69%), Jazz (69%) or United Airlines (69%) 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 $229. While the most popular route (Lambert-St Louis - Vancouver Intl) can be booked for $252 on average, our data indicates $1,268 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, February is the cheapest month in which you can book a flight from St. Louis to Canada (average of $161). Flying from St. Louis to Canada in January is currently the most expensive (average of $305). 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

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from St. Louis to Canada

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$169	Average$649	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$179	Average$624	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$199	Average$638	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$270	Average$609	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$402	Average$557	FlexibilityNo cancel fee	On-time75%
WestJet	Cheapest$439	Average$598	FlexibilityNo cancel fee	On-time60%

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$115+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

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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 January 8, 2026.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to Canada

Cheapest flights from St. Louis to CanadaExplore 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 January 8, 2026.

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 January 8, 2026.

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Best time to book a flight from St. Louis to Canada

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

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 January 8, 2026.

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 January 8, 2026.

Reviews of airlines servicing Canada

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.

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.

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Alternative routes for St. Louis to Canada

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Top 6 airlines flying from St. Louis to Canada

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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 January 8, 2026.