What is the cheapest airline that flies from Lambert-St Louis to Canada?

American Airlines, Air Canada, and United Airlines are the most popular carriers operating from Lambert-St Louis to Canada

How many flights depart from St. Louis to Canada on average per day?

As of November 2025, there are 1 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 4:00PM, with 100% of flights taking off in the afternoon.

How many flights depart from St. Louis to Canada on average per week?

12 flights are operational weekly from St. Louis to Canada as of November 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What airlines fly to Canada?

United Airlines, WestJet and Air Canada are the top three most popular airlines that fly to Canada from St. Louis according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Canada. Keep in mind that there are 6 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

Prices for flights from Lambert-St Louis Airport to Canada are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

As of November 2025, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Canada.

How old do you have to be to fly from Lambert-St Louis Airport to Canada?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Canada.

What documentation or ID do you need to fly to Canada?

The travel and health documents required for your trip to Canada can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Canada. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$120 Cheap Flights from St. Louis to Canada in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:43 pm - 1:55 pmSTL-YVR

20h 12m2 stops

11:00 pm - 9:52 amYVR-STL

8h 52m1 stop

$229Multiple Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 7

7:43 pm - 1:55 pmSTL-YVR

20h 12m2 stops

11:00 pm - 11:07 amYVR-STL

10h 07m1 stop

$238Multiple Airlines

Find Deal

Sat, Dec 6 - Wed, Dec 10

6:33 pm - 10:57 amSTL-YYZ

15h 24m1 stop

6:00 am - 1:49 pmYYZ-STL

8h 49m1 stop

$276American Airlines

Find Deal

Sat, Feb 14 - Sat, Feb 21

3:20 pm - 12:48 pmSTL-YYC

22h 28m1 stop

1:40 pm - 10:21 amYYC-STL

19h 41m1 stop

$324American Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

4:05 pm - 12:04 amSTL-YHZ

5h 59m1 stop

9:00 am - 3:24 pmYHZ-STL

8h 24m1 stop

$331Air Canada

Find Deal

Tue, Apr 7 - Wed, Apr 8

4:05 pm - 12:04 amSTL-YHZ

5h 59m1 stop

6:55 am - 3:24 pmYHZ-STL

10h 29m2 stops

$336Air Canada

Find Deal

Tue, Apr 7 - Wed, Apr 8

11:20 am - 5:12 pmSTL-YOW

4h 52m1 stop

7:27 pm - 10:13 amYOW-STL

15h 46m1 stop

$363United Airlines

Find Deal

Thu, Jan 15 - Tue, Jan 20

6:30 am - 4:32 pmSTL-YOW

9h 02m2 stops

11:10 am - 3:40 pmYOW-STL

5h 30m1 stop

$372United Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

6:30 am - 3:55 pmSTL-YEG

10h 25m1 stop

6:00 am - 11:40 pmYEG-STL

16h 40m2 stops

$664WestJet

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:05 am - 8:10 amSTL-YEG

27h 05m2 stops

5:50 pm - 7:12 pmYEG-STL

24h 22m2 stops

$718WestJet

Find Deal

Tue, Dec 30 - Tue, Jan 6

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets

American Airlines

Feb 14

STL6:33 pmLambert-St Louis

15h 24m

1 stop

YYZ10:57 amToronto Pearson Intl

Feb 21

YYZ6:00 amToronto Pearson Intl

8h 49m

1 stop

STL1:49 pmLambert-St Louis

$276

Find similar

American Airlines

Jan 21

STL3:20 pmLambert-St Louis

22h 28m

1 stop

YYC12:48 pmCalgary

Jan 26

YYC1:40 pmCalgary

19h 41m

1 stop

STL10:21 amLambert-St Louis

$324

Find similar

American Airlines

Jan 21

STL6:00 amLambert-St Louis

16h 58m

2 stops

YYC9:58 pmCalgary

Jan 26

YYC1:40 pmCalgary

24h 10m

1 stop

STL2:50 pmLambert-St Louis

$334

Find similar

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets

Air Canada

Apr 7

STL4:05 pmLambert-St Louis

5h 59m

1 stop

YHZ12:04 amHalifax Intl

Apr 8

YHZ9:00 amHalifax Intl

8h 24m

1 stop

STL3:24 pmLambert-St Louis

$331

Find similar

Air Canada

Apr 7

STL4:05 pmLambert-St Louis

5h 59m

1 stop

YHZ12:04 amHalifax Intl

Apr 8

YHZ6:55 amHalifax Intl

10h 29m

2 stops

STL3:24 pmLambert-St Louis

$336

Find similar

Air Canada

Apr 7

STL4:05 pmLambert-St Louis

5h 59m

1 stop

YOW11:04 pmOttawa

Apr 8

YOW9:15 amOttawa

7h 09m

1 stop

STL3:24 pmLambert-St Louis

$361

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 12/6

7:43 pm-1:55 pm

2 stops20h 12m

Vancouver Intl

Sun 12/7

11:00 pm-9:52 am

1 stop8h 52m

$229

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 12/6

7:43 pm-1:55 pm

2 stops20h 12m

Vancouver Intl

Wed 12/10

11:00 pm-11:07 am

1 stop10h 07m

$238

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 2/14

6:33 pm-10:57 am

1 stop15h 24m

Toronto Pearson Intl

Sat 2/21

6:00 am-1:49 pm

1 stop8h 49m

$276

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 1/21

3:20 pm-12:48 pm

1 stop22h 28m

Calgary

Mon 1/26

1:40 pm-10:21 am

1 stop19h 41m

$324

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 4/7

4:05 pm-12:04 am

1 stop5h 59m

Halifax Intl

Wed 4/8

9:00 am-3:24 pm

1 stop8h 24m

$331

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 4/7

4:05 pm-12:04 am

1 stop5h 59m

Halifax Intl

Wed 4/8

6:55 am-3:24 pm

2 stops10h 29m

$336

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Thu 1/15

11:20 am-5:12 pm

1 stop4h 52m

Ottawa

Tue 1/20

7:27 pm-10:13 am

1 stop15h 46m

$363

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 12/6

6:30 am-4:32 pm

2 stops9h 02m

Ottawa

Mon 12/8

11:10 am-3:40 pm

1 stop5h 30m

$372

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 3/10

6:30 am-3:55 pm

1 stop10h 25m

Edmonton

Wed 3/11

6:00 am-11:40 pm

2 stops16h 40m

$664

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 12/30

6:05 am-8:10 am

2 stops27h 05m

Edmonton

Tue 1/6

5:50 pm-7:12 pm

2 stops24h 22m

$718

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How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Canada?

If you aren’t able to travel during the month of January, then book flights to Canada from St. Louis during April instead. Flights to Canada in April, while not as cheap as those in January, still average around $314.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Tuesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $822. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Canada for around $987.

What is the cheapest time of day to depart on your flight to Canada?

In the afternoon is the cheapest time of day to fly from St. Louis to Canada when you can find flight prices for as low as $893. Flying to Canada in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Canada is at noon when prices are around $1,180.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around $493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as $221 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 38% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best Price Found	$179
Fastest flight time	1h 57m
Direct flights	Every day
Airports in Canada	1 airport

The best one-way flight to Canada from St. Louis in the past 72 hours is $179. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $610.

The fastest flight from St. Louis to Canada takes 1h 57m

Direct flights go from St. Louis to Canada every day.

There is 1 airport near Canada: Toronto Pearson Intl (YYZ)

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?
Prices for flights from Lambert-St Louis Airport to Canada are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?
As of November 2025, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Canada.
How old do you have to be to fly from Lambert-St Louis Airport to Canada?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Canada.
What documentation or ID do you need to fly to Canada?
The travel and health documents required for your trip to Canada can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Canada. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Canada?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Canada is Canadair (Bombardier) Regional Jet 900, representing 51.89% of all bookings. The subsequent popular models are Embraer 175 at 15.14%, Boeing 787-8 Dreamliner at 6.49%, and Airbus A330-300 at 4.86%.

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $158	Free Cancellation	Rating 7.1 10,456 reviews	Search Air Canada flights
Delta	PriceFrom $170	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $402	Free Cancellation	Rating 8.0 11,311 reviews	Search Alaska Airlines flights
WestJet	PriceFrom $428	Free Cancellation	Rating 7.2 3,163 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

All flight searches from St. Louis to Canada on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Canada?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Canada from St. Louis.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

An easier way to manage your Canada trip

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Find better results for your trip to Canada

Popular cities in Canada

Flights to Torontofrom $97

Flights to Vancouverfrom $91

Flights to Montrealfrom $166

Flights to Calgaryfrom $144

Flights to Ottawafrom $171

Flights to Halifaxfrom $214

Flights to Winnipegfrom $135

Flights to Québec Cityfrom $277

Flights to Saskatoonfrom $253

Flights to Kelownafrom $140

Flights to St. John'sfrom $356

Flights to Reginafrom $251

Cheap flights from St. Louis to Canada from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Trusted and free

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Find the cheapest flights from St. Louis to Canada

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American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets

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How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

If you aren’t able to travel during the month of January, then book flights to Canada from St. Louis during April instead. Flights to Canada in April, while not as cheap as those in January, still average around $314.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Tuesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $822. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Canada for around $987.

What is the cheapest time of day to depart on your flight to Canada?

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

What cabin class options are available on Lambert-St Louis to Canada flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 38% on your flight if you consider stops on a St. Louis to Canada flight.

What is the cheapest airline that flies from Lambert-St Louis to Canada?

American Airlines, Air Canada, and United Airlines are the most popular carriers operating from Lambert-St Louis to Canada

What airlines fly to Canada?

How many flights depart from St. Louis to Canada on average per day?

As of November 2025, there are 1 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 4:00PM, with 100% of flights taking off in the afternoon.

How many flights depart from St. Louis to Canada on average per week?

12 flights are operational weekly from St. Louis to Canada as of November 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best Price Found

Fastest flight time

Direct flights

Airports in Canada

When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

How old do you have to be to fly from Lambert-St Louis Airport to Canada?

What documentation or ID do you need to fly to Canada?

What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Canada?

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

An easier way to manage your Canada trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo