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 36% 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?

Delta, United Airlines, and American 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 week?

55 flights are operational weekly from St. Louis to Canada as of May 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

As of May 2026, there are 7 flights per day flying from St. Louis to Canada. The most common time of day flights depart is 7:00AM, with 58% 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 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.

$154 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.

6:33 pm - 11:00 am

STL

YYC

17h 27m

1 stop

8:45 am - 7:23 pm

YYC

STL

9h 38m

1 stop

$341Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

5:10 am - 9:51 am

STL

YVR

6h 41m

1 stop

8:35 am - 11:57 pm

YVR

STL

13h 22m

1 stop

$347United Airlines

Tue, Jul 7 - Wed, Jul 15

11:18 am - 8:29 pm

STL

YVR

11h 11m

1 stop

6:45 am - 6:39 pm

YVR

STL

9h 54m

1 stop

$352Delta

Sun, Aug 2 - Thu, Aug 13

11:18 am - 7:10 pm

STL

YVR

9h 52m

2 stops

10:55 pm - 9:54 am

YVR

STL

8h 59m

1 stop

$365WestJet

Tue, Jul 28 - Thu, Aug 6

8:55 am - 5:09 pm

STL

YHZ

6h 14m

1 stop

9:00 am - 2:00 pm

YHZ

STL

7h 00m

1 stop

$370Air Canada

Wed, Sep 16 - Thu, Sep 24

8:55 am - 5:09 pm

STL

YHZ

6h 14m

1 stop

7:15 am - 2:00 pm

YHZ

STL

8h 45m

2 stops

$375Air Canada

Wed, Sep 16 - Thu, Sep 24

7:03 am - 5:44 pm

STL

YYZ

9h 41m

1 stop

1:15 pm - 12:16 am

YYZ

STL

12h 01m

1 stop

$375American Airlines

Wed, Jun 17 - Wed, Jun 24

6:21 am - 7:10 pm

STL

YVR

14h 49m

2 stops

10:55 pm - 9:54 am

YVR

STL

8h 59m

1 stop

$378WestJet

Sun, Aug 2 - Thu, Aug 13

9:42 am - 9:26 pm

STL

YVR

13h 44m

1 stop

11:57 pm - 2:02 pm

YVR

STL

12h 05m

1 stop

$384American Airlines

Sat, Jun 6 - Sun, Jun 7

6:40 am - 5:35 pm

STL

YOW

9h 55m

2 stops

12:25 pm - 10:28 pm

YOW

STL

11h 03m

2 stops

$513Delta

Sat, Sep 26 - Sat, Oct 3

American Airlines flights from St. Louis to Canada

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

American Airlines

Jun 17

STL7:03 amLambert-St Louis

9h 41m

1 stop

YYZ5:44 pmToronto Pearson Intl

Jun 24

YYZ1:15 pmToronto Pearson Intl

12h 01m

1 stop

STL12:16 amLambert-St Louis

$375

American Airlines

Jun 6

STL9:42 amLambert-St Louis

13h 44m

1 stop

YVR9:26 pmVancouver Intl

Jun 7

YVR11:57 pmVancouver Intl

12h 05m

1 stop

STL2:02 pmLambert-St Louis

$384

American Airlines

Jun 17

STL9:09 amLambert-St Louis

7h 35m

1 stop

YYZ5:44 pmToronto Pearson Intl

Jun 24

YYZ3:13 pmToronto Pearson Intl

10h 03m

1 stop

STL12:16 amLambert-St Louis

$389

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

6h 14m

1 stop

YHZ5:09 pmHalifax Intl

Sep 24

YHZ9:00 amHalifax Intl

7h 00m

1 stop

STL2:00 pmLambert-St Louis

$370

Air Canada

Sep 16

STL8:55 amLambert-St Louis

6h 14m

1 stop

YHZ5:09 pmHalifax Intl

Sep 24

YHZ7:15 amHalifax Intl

8h 45m

2 stops

STL2:00 pmLambert-St Louis

$375

Air Canada

Sep 16

STL8:55 amLambert-St Louis

9h 34m

2 stops

YHZ8:29 pmHalifax Intl

Sep 24

YHZ7:15 amHalifax Intl

8h 45m

2 stops

STL2:00 pmLambert-St Louis

$381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/18

6:33 pm-11:00 am

1 stop17h 27m

Calgary

Tue 8/25

8:45 am-7:23 pm

1 stop9h 38m

$341

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 7/7

5:10 am-9:51 am

1 stop6h 41m

Vancouver Intl

Wed 7/15

8:35 am-11:57 pm

1 stop13h 22m

$347

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 8/2

11:18 am-8:29 pm

1 stop11h 11m

Vancouver Intl

Thu 8/13

6:45 am-6:39 pm

1 stop9h 54m

$352

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 7/28

11:18 am-7:10 pm

2 stops9h 52m

Vancouver Intl

Thu 8/6

10:55 pm-9:54 am

1 stop8h 59m

$365

Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-5:09 pm

1 stop6h 14m

Halifax Intl

Thu 9/24

9:00 am-2:00 pm

1 stop7h 00m

$370

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-5:09 pm

1 stop6h 14m

Halifax Intl

Thu 9/24

7:15 am-2:00 pm

2 stops8h 45m

$375

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 6/17

7:03 am-5:44 pm

1 stop9h 41m

Toronto Pearson Intl

Wed 6/24

1:15 pm-12:16 am

1 stop12h 01m

$375

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 8/2

6:21 am-7:10 pm

2 stops14h 49m

Vancouver Intl

Thu 8/13

10:55 pm-9:54 am

1 stop8h 59m

$378

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 6/6

9:42 am-9:26 pm

1 stop13h 44m

Vancouver Intl

Sun 6/7

11:57 pm-2:02 pm

1 stop12h 05m

$384

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 9/26

6:40 am-5:35 pm

2 stops9h 55m

Ottawa

Sat 10/3

12:25 pm-10:28 pm

2 stops11h 03m

$513

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

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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 $799. 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 $961.

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 $797. 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 $1,060.

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

Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl for the best Lambert-St Louis - Canada flight prices

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

There are 4 cabin classes available to choose from on 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	$359
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 $359. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $512.

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 27.17% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 23.55%, Airbus A220-300 at 21.38%, and Embraer 175 at 8.33%.

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 11,083 reviews	Search Air Canada flights
Delta	PriceFrom $151	Free Cancellation	Rating 7.9 8,434 reviews	Search Delta flights
United Airlines	PriceFrom $217	Free Cancellation	Rating 7.4 9,747 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.1 11,630 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $402	Free Cancellation	Rating 7.9 12,411 reviews	Search Alaska Airlines flights
WestJet	PriceFrom $479	Free Cancellation	Rating 7.2 3,345 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 $178

Flights to Vancouverfrom $171

Flights to Montrealfrom $212

Flights to Calgaryfrom $209

Flights to Ottawafrom $240

Flights to Halifaxfrom $253

Flights to Winnipegfrom $288

Flights to Québec Cityfrom $331

Flights to Saskatoonfrom $250

Flights to Kelownafrom $268

Flights to St. John'sfrom $367

Flights to Reginafrom $358

Cheap flights from St. Louis to Canada from $154

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 8/12. 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?

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

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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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