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

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

What airlines fly to Canada?

United Airlines, Air Canada and American Airlines 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 35% 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.

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

As of May 2026, there are 5 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 4:00PM, with 70% of flights taking off in the afternoon.

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

35 flights are operational weekly from St. Louis to Canada as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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 May 2026, 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.

$131 Cheap Flights from St. Louis to Canada in 2026

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Find the cheapest flights from St. Louis to Canada

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 am - 9:51 am

STL

YVR

6h 41m

1 stop

10:55 am - 11:45 pm

YVR

STL

10h 50m

1 stop

$311United Airlines

Wed, Sep 23 - Tue, Sep 29

5:10 am - 9:51 am

STL

YVR

6h 41m

1 stop

1:45 pm - 8:37 am

YVR

STL

16h 52m

1 stop

$315United Airlines

Sat, Oct 10 - Thu, Oct 15

3:57 pm - 8:29 pm

STL

YVR

6h 32m

1 stop

6:00 am - 3:13 pm

YVR

STL

7h 13m

1 stop

$328Delta

Tue, Jul 7 - Wed, Jul 15

5:00 pm - 10:29 pm

STL

YVR

7h 29m

1 stop

6:15 am - 4:45 pm

YVR

STL

8h 30m

1 stop

$329Delta

Sat, Aug 8 - Sat, Aug 15

8:55 am - 8:29 pm

STL

YHZ

9h 34m

2 stops

9:00 am - 2:00 pm

YHZ

STL

7h 00m

1 stop

$333Air Canada

Wed, Sep 16 - Thu, Sep 24

6:00 am - 2:20 pm

STL

YHZ

6h 20m

1 stop

2:55 pm - 8:39 am

YHZ

STL

19h 44m

1 stop

$337American Airlines

Wed, Aug 26 - Wed, Sep 9

8:55 am - 5:09 pm

STL

YHZ

6h 14m

1 stop

9:00 am - 2:00 pm

YHZ

STL

7h 00m

1 stop

$338Air Canada

Fri, Sep 18 - Sat, Sep 26

6:00 am - 5:44 pm

STL

YYZ

10h 44m

1 stop

11:39 am - 8:30 pm

YYZ

STL

9h 51m

1 stop

$367American Airlines

Wed, May 27 - Wed, Jun 3

6:21 am - 3:04 pm

STL

YWG

8h 43m

1 stop

6:40 am - 4:46 pm

YWG

STL

10h 06m

1 stop

$458WestJet

Sun, Jun 14 - Fri, Jun 19

6:21 am - 3:04 pm

STL

YWG

8h 43m

1 stop

7:00 am - 4:46 pm

YWG

STL

9h 46m

2 stops

$464WestJet

Sun, Jun 14 - Fri, Jun 19

American Airlines flights from St. Louis to Canada

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

American Airlines

Aug 26

STL6:00 amLambert-St Louis

6h 20m

1 stop

YHZ2:20 pmHalifax Intl

Sep 9

YHZ2:55 pmHalifax Intl

19h 44m

1 stop

STL8:39 amLambert-St Louis

$337

American Airlines

May 27

STL6:00 amLambert-St Louis

10h 44m

1 stop

YYZ5:44 pmToronto Pearson Intl

Jun 3

YYZ11:39 amToronto Pearson Intl

9h 51m

1 stop

STL8:30 pmLambert-St Louis

$367

American Airlines

May 27

STL1:45 pmLambert-St Louis

10h 58m

1 stop

YYC11:43 pmCalgary

Jun 3

YYC6:15 amCalgary

12h 05m

1 stop

STL7:20 pmLambert-St Louis

$369

Air Canada flights from St. Louis to Canada

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

Air Canada

Sep 16

STL8:55 amLambert-St Louis

9h 34m

2 stops

YHZ8:29 pmHalifax Intl

Sep 24

YHZ9:00 amHalifax Intl

7h 00m

1 stop

STL2:00 pmLambert-St Louis

$333

Air Canada

Sep 18

STL8:55 amLambert-St Louis

6h 14m

1 stop

YHZ5:09 pmHalifax Intl

Sep 26

YHZ9:00 amHalifax Intl

7h 00m

1 stop

STL2:00 pmLambert-St Louis

$338

Air Canada

Aug 26

STL8:55 amLambert-St Louis

6h 14m

1 stop

YHZ5:09 pmHalifax Intl

Sep 9

YHZ4:10 pmHalifax Intl

5h 50m

1 stop

STL8:00 pmLambert-St Louis

$339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

5:10 am-9:51 am

1 stop6h 41m

Vancouver Intl

Tue 9/29

10:55 am-11:45 pm

1 stop10h 50m

$311

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/10

5:10 am-9:51 am

1 stop6h 41m

Vancouver Intl

Thu 10/15

1:45 pm-8:37 am

1 stop16h 52m

$315

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 7/7

3:57 pm-8:29 pm

1 stop6h 32m

Vancouver Intl

Wed 7/15

6:00 am-3:13 pm

1 stop7h 13m

$328

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 8/8

5:00 pm-10:29 pm

1 stop7h 29m

Vancouver Intl

Sat 8/15

6:15 am-4:45 pm

1 stop8h 30m

$329

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-8:29 pm

2 stops9h 34m

Halifax Intl

Thu 9/24

9:00 am-2:00 pm

1 stop7h 00m

$333

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 8/26

6:00 am-2:20 pm

1 stop6h 20m

Halifax Intl

Wed 9/9

2:55 pm-8:39 am

1 stop19h 44m

$337

Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 9/18

8:55 am-5:09 pm

1 stop6h 14m

Halifax Intl

Sat 9/26

9:00 am-2:00 pm

1 stop7h 00m

$338

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 5/27

6:00 am-5:44 pm

1 stop10h 44m

Toronto Pearson Intl

Wed 6/3

11:39 am-8:30 pm

1 stop9h 51m

$367

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Sun 6/14

6:21 am-3:04 pm

1 stop8h 43m

Winnipeg

Fri 6/19

6:40 am-4:46 pm

1 stop10h 06m

$458

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Sun 6/14

6:21 am-3:04 pm

1 stop8h 43m

Winnipeg

Fri 6/19

7:00 am-4:46 pm

2 stops9h 46m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 July, then book flights to Canada from St. Louis during June instead. Flights to Canada in June, while not as cheap as those in July, still average around $139.

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

Our data shows that Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $808. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Canada for around $917.

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 $804. 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 $1,042.

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

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	$378
Fastest flight time	1h 51m
Direct flights	Every day
Airports in Canada	515 airports

The best one-way flight to Canada from St. Louis in the past 72 hours is $378. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $750.

The fastest flight from St. Louis to Canada takes 1h 51m

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

There are 515 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from St. Louis to Canada

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 May 2026, 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 24.81% of all bookings. The subsequent popular models are Airbus A220-300 at 21.32%, Boeing 787-8 Dreamliner at 20.16%, and Embraer 175 at 12.79%.

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 $139	Free Cancellation	Rating 7.1 10,990 reviews	Search Air Canada flights
Delta	PriceFrom $142	Free Cancellation	Rating 7.9 8,463 reviews	Search Delta flights
United Airlines	PriceFrom $217	Free Cancellation	Rating 7.4 9,682 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.1 11,674 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $402	Free Cancellation	Rating 7.9 12,319 reviews	Search Alaska Airlines flights
WestJet	PriceFrom $479	Free Cancellation	Rating 7.2 3,331 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.

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Popular cities in Canada

Flights to Torontofrom $151

Flights to Vancouverfrom $135

Flights to Montrealfrom $234

Flights to Calgaryfrom $184

Flights to Ottawafrom $225

Flights to Halifaxfrom $220

Flights to Winnipegfrom $267

Flights to Québec Cityfrom $217

Flights to Saskatoonfrom $233

Flights to Kelownafrom $250

Flights to St. John'sfrom $310

Flights to Reginafrom $343

Cheap flights from St. Louis to Canada from $131

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 9/9. 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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American Airlines flights from St. Louis to Canada

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

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

What is the cheapest month to fly to Canada?

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

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?

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

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

What airlines fly to Canada?

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

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

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

Frequently asked questions about flying 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?

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

St. Louis flight routes

According to popular flight searches on momondo this year

Canada flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Canada

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List of cabin classes available on flights landing in Canada. Availability may vary depending on flight origin and airline.

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