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

49 flights are operational weekly from St. Louis to Canada as of September 2025. The most popular departure day for this route is Mon, with 14% 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 29% 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.

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

American Airlines and Alaska 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 September 2025, there are 7 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 9:00AM, with 71% of flights taking off in the afternoon.

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 September 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.

$96 Cheap Flights from St. Louis to Canada in 2025/26

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:57 am - 2:40 pmSTL-YYZ

26h 43m1 stop

9:45 am - 1:57 pmYYZ-STL

29h 12m1 stop

$249Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

10:57 am - 2:40 pmSTL-YYZ

26h 43m1 stop

9:45 am - 1:57 pmYYZ-STL

29h 12m1 stop

$251Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

8:04 pm - 12:34 pmSTL-YYC

17h 30m1 stop

1:29 pm - 1:44 pmYYC-STL

23h 15m1 stop

$282American Airlines

Find Deal

Wed, Oct 22 - Sun, Oct 26

8:04 pm - 12:34 pmSTL-YYC

17h 30m1 stop

1:29 pm - 8:09 amYYC-STL

17h 40m1 stop

$288American Airlines

Find Deal

Wed, Oct 15 - Sun, Oct 19

10:30 am - 11:41 amSTL-YYC

26h 11m1 stop

2:00 pm - 12:43 pmYYC-STL

21h 43m1 stop

$320United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

3:23 pm - 2:08 pmSTL-YEG

23h 45m2 stops

3:17 pm - 10:49 amYEG-STL

18h 32m2 stops

$330United Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

4:05 pm - 7:06 pmSTL-YYZ

2h 01mnonstop

2:00 pm - 3:29 pmYYZ-STL

2h 29mnonstop

$410Air Canada

Find Deal

Thu, Oct 30 - Thu, Nov 6

4:05 pm - 7:06 pmSTL-YYZ

2h 01mnonstop

2:00 pm - 3:29 pmYYZ-STL

2h 29mnonstop

$417Air Canada

Find Deal

Thu, Oct 30 - Sun, Nov 2

6:00 am - 4:12 pmSTL-YEG

11h 12m2 stops

12:05 am - 8:08 pmYEG-STL

19h 03m2 stops

$639WestJet

Find Deal

Mon, Oct 20 - Thu, Oct 23

6:30 am - 5:04 pmSTL-YEG

11h 34m2 stops

9:15 am - 11:10 pmYEG-STL

12h 55m1 stop

$644WestJet

Find Deal

Tue, Mar 10 - Wed, Mar 11

United Airlines flights from St. Louis to Canada

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

United Airlines

Mar 3

STL10:30 amLambert-St Louis

26h 11m

1 stop

YYC11:41 amCalgary

Mar 4

YYC2:00 pmCalgary

21h 43m

1 stop

STL12:43 pmLambert-St Louis

$320

Find similar

United Airlines

Oct 14

STL3:23 pmLambert-St Louis

23h 45m

2 stops

YEG2:08 pmEdmonton

Oct 21

YEG3:17 pmEdmonton

18h 32m

2 stops

STL10:49 amLambert-St Louis

$330

Find similar

United Airlines

Oct 22

STL5:00 amLambert-St Louis

8h 16m

1 stop

YQB2:16 pmQuébec City

Oct 25

YQB5:20 amQuébec City

11h 24m

2 stops

STL3:44 pmLambert-St Louis

$351

Find similar

Air Canada flights from St. Louis to Canada

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

Air Canada

Oct 30

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

Nov 6

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

$410

Find similar

Air Canada

Oct 30

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

Nov 2

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

$417

Find similar

Air Canada

Nov 1

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

Nov 8

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

$421

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 10/30

10:57 am-2:40 pm

1 stop26h 43m

Toronto Pearson Intl

Thu 11/6

9:45 am-1:57 pm

1 stop29h 12m

$249

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 10/30

10:57 am-2:40 pm

1 stop26h 43m

Toronto Pearson Intl

Thu 11/6

9:45 am-1:57 pm

1 stop29h 12m

$251

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 10/22

8:04 pm-12:34 pm

1 stop17h 30m

Calgary

Sun 10/26

1:29 pm-1:44 pm

1 stop23h 15m

$282

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 10/15

8:04 pm-12:34 pm

1 stop17h 30m

Calgary

Sun 10/19

1:29 pm-8:09 am

1 stop17h 40m

$288

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 3/3

10:30 am-11:41 am

1 stop26h 11m

Calgary

Wed 3/4

2:00 pm-12:43 pm

1 stop21h 43m

$320

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 10/14

3:23 pm-2:08 pm

2 stops23h 45m

Edmonton

Tue 10/21

3:17 pm-10:49 am

2 stops18h 32m

$330

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 10/30

4:05 pm-7:06 pm

Nonstop2h 01m

Toronto Pearson Intl

Thu 11/6

2:00 pm-3:29 pm

Nonstop2h 29m

$410

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 10/30

4:05 pm-7:06 pm

Nonstop2h 01m

Toronto Pearson Intl

Sun 11/2

2:00 pm-3:29 pm

Nonstop2h 29m

$417

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 10/20

6:00 am-4:12 pm

2 stops11h 12m

Edmonton

Thu 10/23

12:05 am-8:08 pm

2 stops19h 03m

$639

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 3/10

6:30 am-5:04 pm

2 stops11h 34m

Edmonton

Wed 3/11

9:15 am-11:10 pm

1 stop12h 55m

$644

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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 November, then book flights to Canada from St. Louis during January instead. Flights to Canada in January, while not as cheap as those in November, still average around $286.

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 $864. 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 $985.

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 $896. 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 $468 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 26% 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	$297
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Canada	2 airports

The best one-way flight to Canada from St. Louis in the past 72 hours is $297. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $672.

The fastest flight from St. Louis to Canada takes 1h 55m

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

There are 2 airports near Canada: Montreal Pierre Elliott Trudeau Intl (YUL), 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 September 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 72.84% of all bookings. The subsequent popular models are Airbus A330-300 at 5.35%, Embraer 175 at 3.70%, and Boeing 737 MAX 8 at 2.47%.

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 $162	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $330	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $360	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
WestJet	PriceFrom $407	Free Cancellation	Rating 7.2 3,095 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

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.

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Find better results for your trip to Canada

Popular cities in Canada

Flights to Torontofrom $98

Flights to Vancouverfrom $85

Flights to Montrealfrom $186

Flights to Calgaryfrom $132

Flights to Ottawafrom $190

Flights to Halifaxfrom $188

Flights to Winnipegfrom $157

Flights to Québec Cityfrom $177

Flights to Saskatoonfrom $117

Flights to Kelownafrom $156

Flights to St. John'sfrom $244

Flights to Reginafrom $206

Cheap flights from St. Louis to Canada from $96

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 11/2. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

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United Airlines flights from St. Louis to Canada

Our best United 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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Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

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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 November, then book flights to Canada from St. Louis during January instead. Flights to Canada in January, while not as cheap as those in November, still average around $286.

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 $864. 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 $985.

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 26% 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 and Alaska 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 September 2025, there are 7 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 9:00AM, with 71% of flights taking off in the afternoon.

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

49 flights are operational weekly from St. Louis to Canada as of September 2025. The most popular departure day for this route is Mon, with 14% 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