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 $164 on Delta. Other airlines that offer cheap prices include Air Canada from $172 and United Airlines from $195 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 cheapest flights from St. Louis to Canada?

Looking at all options, your cheapest flight can be booked for $323. While the most popular route (Lambert-St Louis - Vancouver Intl) can be booked for $304 on average our data indicates $1,127 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 (73%), Jazz (73%) or United Airlines (73%) 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?

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

How far in advance should I book a flight from St. Louis to Canada?

To save on the cost of your flight from St. Louis to Canada, book at least 53 days before your planned departure. Booking around this time can save you about 233% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $337 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $473.

What is the cheapest month to fly from St. Louis to Canada?

Flights from St. Louis to Canada lean towards being more expensive in February. Prices are generally better when you fly from St. Louis to Canada in May, with the cheapest ticket starting at $228.

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.

$379+ Flights from St. Louis to Canada

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Cheap flight deals from St. Louis to Canada

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$223 (Mytrip)
One-way from	$89 (Mytrip)
Popular in	February
Cheapest in	May
Average price	$653
Good round-trip deal	$820 or less
Good one-way deal	$402 or less

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

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

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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. 16% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 22, 2025.

Thu 4/36:47 pmSTL - YUL

1 stop19h 08mMultiple Airlines

Mon 4/73:55 pmYUL - STL

1 stop26h 57mMultiple Airlines

Deal found 2/21

$223

Tue 4/156:11 pmSTL - YYZ

1 stop28h 44mMultiple Airlines

Sun 4/207:05 amYYZ - STL

1 stop11h 11mMultiple Airlines

Deal found 2/21

$231

Tue 4/86:47 pmSTL - YHZ

2 stops23h 44mMultiple Airlines

Tue 4/156:30 amYHZ - STL

2 stops12h 46mMultiple Airlines

Deal found 2/21

$317

Mon 3/316:55 pmSTL - YVR

2 stops23h 50mMultiple Airlines

Mon 4/712:59 pmYVR - STL

1 stop8h 05mMultiple Airlines

Deal found 2/21

$360

Tue 4/16:29 pmSTL - YYC

1 stop19h 13mAmerican Airlines

Wed 4/91:17 pmYYC - STL

1 stop9h 16mAmerican Airlines

Deal found 2/21

$366

Thu 3/67:04 amSTL - YVR

1 stop16h 25mAmerican Airlines

Mon 3/107:00 amYVR - STL

1 stop10h 30mAmerican Airlines

Deal found 2/21

$367

Tue 4/16:47 pmSTL - YYC

3 stops26h 37mMultiple Airlines

Wed 4/94:35 pmYYC - STL

2 stops23h 41mMultiple Airlines

Deal found 2/21

$368

Mon 4/78:00 amSTL - YVR

1 stop12h 19mUnited Airlines

Mon 4/147:00 amYVR - STL

1 stop7h 52mUnited Airlines

Deal found 2/20

$374

Tue 4/86:47 pmSTL - YQB

2 stops23h 34mMultiple Airlines

Tue 4/156:00 amYQB - STL

2 stops12h 16mMultiple Airlines

Deal found 2/22

$398

Sun 4/133:30 pmSTL - YVR

1 stop18h 47mAir Canada

Sun 4/206:15 amYVR - STL

1 stop7h 32mAir Canada

Deal found 2/21

$399

Sat 4/53:30 pmSTL - YHZ

1 stop7h 14mAir Canada

Sat 4/126:20 amYHZ - STL

2 stops10h 29mAir Canada

Deal found 2/20

$404

Tue 3/1810:30 amSTL - YYC

2 stops11h 12mDelta

Wed 3/2612:25 pmYYC - STL

1 stop7h 41mDelta

Deal found 2/22

$408

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 February 22, 2025.

Thu 4/36:47 pmSTL - YUL

1 stop19h 08mMultiple Airlines

Mon 4/73:55 pmYUL - STL

1 stop26h 57mMultiple Airlines

Deal found 2/21

$223

Tue 4/16:29 pmSTL - YYC

1 stop19h 13mAmerican Airlines

Wed 4/91:17 pmYYC - STL

1 stop9h 16mAmerican Airlines

Deal found 2/21

$366

Mon 4/78:00 amSTL - YVR

1 stop12h 19mUnited Airlines

Mon 4/147:00 amYVR - STL

1 stop7h 52mUnited Airlines

Deal found 2/20

$374

Sun 4/133:30 pmSTL - YVR

1 stop18h 47mAir Canada

Sun 4/206:15 amYVR - STL

1 stop7h 32mAir Canada

Deal found 2/21

$399

Tue 3/1810:30 amSTL - YYC

2 stops11h 12mDelta

Wed 3/2612:25 pmYYC - STL

1 stop7h 41mDelta

Deal found 2/22

$408

Thu 4/1010:42 amSTL - YVR

2 stops13h 43mWestJet

Sun 4/139:15 pmYVR - STL

2 stops17h 11mWestJet

Deal found 2/21

$413

Tue 4/156:11 pmSTL - YYZ

1 stop28h 44mMultiple Airlines

Sun 4/207:05 amYYZ - STL

1 stop11h 11mMultiple Airlines

Deal found 2/21

$231

Sat 8/167:30 pmSTL - YYC

1 stop16h 07mAlaska Airlines

Thu 8/287:00 amYYC - STL

1 stop15h 56mAlaska Airlines

Deal found 2/21

$531

Tue 4/86:47 pmSTL - YHZ

2 stops23h 44mMultiple Airlines

Tue 4/156:30 amYHZ - STL

2 stops12h 46mMultiple Airlines

Deal found 2/21

$317

Thu 3/67:04 amSTL - YVR

1 stop16h 25mAmerican Airlines

Mon 3/107:00 amYVR - STL

1 stop10h 30mAmerican Airlines

Deal found 2/21

$367

Sat 4/53:30 pmSTL - YHZ

1 stop7h 14mAir Canada

Sat 4/126:20 amYHZ - STL

2 stops10h 29mAir Canada

Deal found 2/20

$404

Sat 4/57:25 amSTL - YHZ

1 stop6h 25mUnited Airlines

Sat 4/127:10 amYHZ - STL

1 stop9h 39mUnited Airlines

Deal found 2/20

$420

Last-minute flights from St. Louis to Canada
Discover last-minute flight deals from St. Louis to Canada. Data last updated February 22, 2025 and is based on user searches.

Mon 2/245:20 pmSTL - YHZ

1 stop24h 50mMultiple Airlines

Wed 2/261:30 pmYHZ - STL

2 stops12h 13mMultiple Airlines

Deal found 2/20

$501

Wed 2/266:43 pmSTL - YYZ

1 stop10h 12mMultiple Airlines

Mon 3/35:15 pmYYZ - STL

1 stop22h 27mMultiple Airlines

Deal found 2/21

$302

Sun 3/211:50 amSTL - YYZ

1 stop6h 16mDelta

Thu 3/66:30 amYYZ - STL

1 stop5h 29mDelta

Deal found 2/21

$786

Sun 3/23:50 pmSTL - YYZ

Nonstop1h 55mUnited Airlines

Thu 3/66:40 pmYYZ - STL

1 stop21h 51mUnited Airlines

Deal found 2/21

$933

Mon 3/311:08 pmSTL - YXE

2 stops33h 19mMultiple Airlines

Wed 3/55:20 pmYXE - STL

2 stops24h 25mMultiple Airlines

Deal found 2/21

$408

Mon 3/36:00 amSTL - YVR

1 stop7h 37mWestJet

Mon 3/38:35 pmYVR - STL

2 stops10h 45mWestJet

Deal found 2/21

$413

Mon 3/35:20 pmSTL - YOW

1 stop22h 52mMultiple Airlines

Fri 3/75:20 pmYOW - STL

2 stops16h 49mMultiple Airlines

Deal found 2/21

$512

Mon 3/39:00 amSTL - YVR

1 stop8h 25mUnited Airlines

Mon 3/36:30 pmYVR - STL

1 stop22h 26mUnited Airlines

Deal found 2/21

$1,014

Mon 3/33:50 pmSTL - YXE

1 stop7h 09mUnited Airlines

Wed 3/57:00 amYXE - STL

1 stop8h 06mUnited Airlines

Deal found 2/21

$1,284

Tue 3/411:59 amSTL - YQB

1 stop9h 48mMultiple Airlines

Fri 3/710:30 amYQB - STL

1 stop5h 36mMultiple Airlines

Deal found 2/21

$530

Tue 3/48:05 amSTL - YQB

2 stops9h 08mAir Canada

Fri 3/710:30 amYQB - STL

1 stop5h 36mAir Canada

Deal found 2/21

$535

Tue 3/47:29 amSTL - YYZ

1 stop13h 03mAmerican Airlines

Mon 3/107:00 amYYZ - STL

1 stop8h 48mAmerican Airlines

Deal found 2/21

$575

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 February 22, 2025.

Thu 3/276:47 pmSTL - YYZ

1 stop28h 08mMultiple Airlines

Deal found 2/21

$89

Wed 3/56:43 pmSTL - YVR

1 stop29h 47mMultiple Airlines

Deal found 2/21

$122

Sat 4/56:00 amSTL - YVR

2 stops14h 34mDelta

Deal found 2/22

$164

Tue 4/84:45 pmSTL - YYC

1 stop6h 03mAir Canada

Deal found 2/21

$172

Tue 3/115:38 pmSTL - YWG

2 stops21h 30mMultiple Airlines

Deal found 2/21

$178

Tue 3/256:10 amSTL - YUL

1 stop9h 18mDelta

Deal found 2/22

$192

Tue 4/85:35 pmSTL - YYC

2 stops29h 13mUnited Airlines

Deal found 2/21

$195

Sun 4/2710:30 amSTL - YYC

1 stop8h 58mWestJet

Deal found 2/21

$199

Fri 3/285:55 amSTL - YYZ

1 stop9h 05mAmerican Airlines

Deal found 2/21

$209

Sun 4/276:00 amSTL - YYC

2 stops13h 28mDelta

Deal found 2/21

$217

Tue 4/86:44 amSTL - YYC

3 stops16h 22mMultiple Airlines

Deal found 2/21

$239

Fri 4/255:00 pmSTL - YUL

1 stop15h 50mAmerican Airlines

Deal found 2/21

$252

Find flights from St. Louis to Canada within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 4/3

6:47 pm-2:55 pm

1 stop19h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 4/7

3:55 pm-5:52 pm

1 stop26h 57m

$223

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 4/15

6:11 pm-11:55 pm

1 stop28h 44m

Toronto Pearson Intl

Sun 4/20

7:05 am-5:16 pm

1 stop11h 11m

$231

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 4/8

6:47 pm-8:31 pm

2 stops23h 44m

Halifax Intl

Tue 4/15

6:30 am-5:16 pm

2 stops12h 46m

$317

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 3/31

6:55 pm-4:45 pm

2 stops23h 50m

Vancouver Intl

Mon 4/7

12:59 pm-11:04 pm

1 stop8h 05m

$360

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 4/1

6:29 pm-12:42 pm

1 stop19h 13m

Calgary

Wed 4/9

1:17 pm-11:33 pm

1 stop9h 16m

$366

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 3/6

7:04 am-9:29 pm

1 stop16h 25m

Vancouver Intl

Mon 3/10

7:00 am-7:30 pm

1 stop10h 30m

$367

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 4/1

6:47 pm-8:24 pm

3 stops26h 37m

Calgary

Wed 4/9

4:35 pm-5:16 pm

2 stops23h 41m

$368

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 4/7

8:00 am-6:19 pm

1 stop12h 19m

Vancouver Intl

Mon 4/14

7:00 am-4:52 pm

1 stop7h 52m

$374

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 4/8

6:47 pm-7:21 pm

2 stops23h 34m

Québec City

Tue 4/15

6:00 am-5:16 pm

2 stops12h 16m

$398

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 4/13

3:30 pm-8:17 am

1 stop18h 47m

Vancouver Intl

Sun 4/20

6:15 am-3:47 pm

1 stop7h 32m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 53 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.

Travel insights for flights from St. Louis to Canada

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

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 July is currently the most expensive (average of $359). 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 Wednesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Canada by month

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.

Temperature in Canada by month

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).

Reviews of airlines servicing Canada

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from St. Louis to Canada to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,700 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,212 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,759 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet

7.2

Good

2,800 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
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 $164 on Delta. Other airlines that offer cheap prices include Air Canada from $172 and United Airlines from $195 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 (73%), Jazz (73%) or United Airlines (73%) 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 $323. While the most popular route (Lambert-St Louis - Vancouver Intl) can be booked for $304 on average our data indicates $1,127 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 July is currently the most expensive (average of $359). 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
Air Canada	Cheapest$169	Average$621	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$196	Average$601	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$231	Average$594	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$247	Average$629	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$337	Average$590	FlexibilityNo cancel fee	On-time60%
Alaska Airlines	Cheapest$360	Average$610	FlexibilityNo cancel fee	On-time75%

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$89+ 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 3/27. 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 February 22, 2025.

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 February 22, 2025.

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 February 22, 2025.

Find flights from St. Louis to Canada within your budget

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.

Travel insights for flights from St. Louis to Canada

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

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 February 22, 2025.

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 February 22, 2025.

Rainfall in Canada by month

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

Temperature in Canada by month

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

Reviews of airlines servicing Canada

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from St. Louis to Canada to help guide your decision. You can also see how each airline stacks up 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.

What airport do you fly from for flights from St. Louis to Canada?

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

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Canada

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

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 February 22, 2025.