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

American Airlines, United Airlines, and Delta 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?

6 flights are operational weekly from St. Louis to Canada as of February 2026. The most popular departure day for this route is Wed, with 33% of flights per week taking off on this day.

What airlines fly to Canada?

United Airlines, Air Canada and WestJet 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 31% 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 February 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.

$79 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 5:44 pm

STL

YYZ

9h 44m

1 stop

6:15 am - 10:48 am

YYZ

STL

5h 33m

1 stop

$217American Airlines

Wed, May 27 - Sat, May 30

8:54 am - 2:33 pm

STL

YYZ

4h 39m

1 stop

6:27 pm - 10:17 pm

YYZ

STL

4h 50m

1 stop

$227American Airlines

Fri, Apr 10 - Fri, Apr 17

4:05 pm - 10:42 pm

STL

YVR

8h 37m

1 stop

8:30 am - 9:08 pm

YVR

STL

10h 38m

1 stop

$287Air Canada

Sat, Apr 11 - Sat, Apr 18

4:05 pm - 11:06 pm

STL

YOW

6h 01m

1 stop

10:15 am - 3:24 pm

YOW

STL

6h 09m

1 stop

$296Air Canada

Sat, Apr 4 - Fri, Apr 10

6:29 am - 10:57 am

STL

YVR

6h 28m

1 stop

12:07 pm - 11:25 pm

YVR

STL

9h 18m

1 stop

$309Delta

Thu, Mar 19 - Wed, Mar 25

2:50 pm - 11:06 pm

STL

YVR

10h 16m

1 stop

3:30 pm - 11:34 pm

YVR

STL

6h 04m

1 stop

$314United Airlines

Thu, Mar 19 - Wed, Mar 25

6:29 am - 10:57 am

STL

YVR

6h 28m

1 stop

11:40 am - 12:21 am

YVR

STL

10h 41m

2 stops

$319Delta

Thu, Mar 19 - Wed, Mar 25

2:40 pm - 10:56 pm

STL

YVR

10h 16m

1 stop

3:15 pm - 5:47 am

YVR

STL

12h 32m

1 stop

$320United Airlines

Fri, Apr 24 - Thu, Apr 30

7:41 pm - 11:11 am

STL

YYJ

17h 30m

1 stop

5:31 pm - 1:55 pm

YYJ

STL

18h 24m

1 stop

$397Alaska Airlines

Tue, May 26 - Wed, Jun 10

7:41 pm - 11:11 am

STL

YYJ

17h 30m

1 stop

5:31 pm - 4:33 pm

YYJ

STL

21h 02m

2 stops

$407Alaska Airlines

Sat, Jun 6 - Thu, Jun 11

Delta flights from St. Louis to Canada

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

Delta

Mar 19

STL6:29 amLambert-St Louis

6h 28m

1 stop

YVR10:57 amVancouver Intl

Mar 25

YVR12:07 pmVancouver Intl

9h 18m

1 stop

STL11:25 pmLambert-St Louis

$309

Delta

May 26

STL11:22 amLambert-St Louis

11h 17m

1 stop

YVR8:39 pmVancouver Intl

Jun 2

YVR6:20 amVancouver Intl

8h 26m

2 stops

STL4:46 pmLambert-St Louis

$319

Delta

Apr 10

STL7:15 amLambert-St Louis

13h 30m

2 stops

YVR6:45 pmVancouver Intl

Apr 17

YVR9:27 amVancouver Intl

11h 47m

2 stops

STL11:14 pmLambert-St Louis

$324

Air Canada flights from St. Louis to Canada

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

Air Canada

Apr 11

STL4:05 pmLambert-St Louis

8h 37m

1 stop

YVR10:42 pmVancouver Intl

Apr 18

YVR8:30 amVancouver Intl

10h 38m

1 stop

STL9:08 pmLambert-St Louis

$287

Air Canada

Apr 4

STL4:05 pmLambert-St Louis

6h 01m

1 stop

YOW11:06 pmOttawa

Apr 10

YOW10:15 amOttawa

6h 09m

1 stop

STL3:24 pmLambert-St Louis

$296

Air Canada

Apr 11

STL4:05 pmLambert-St Louis

8h 37m

1 stop

YVR10:42 pmVancouver Intl

Apr 18

YVR7:55 amVancouver Intl

11h 13m

2 stops

STL9:08 pmLambert-St Louis

$312

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 5/27

7:00 am-5:44 pm

1 stop9h 44m

Toronto Pearson Intl

Sat 5/30

6:15 am-10:48 am

1 stop5h 33m

$217

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 4/10

8:54 am-2:33 pm

1 stop4h 39m

Toronto Pearson Intl

Fri 4/17

6:27 pm-10:17 pm

1 stop4h 50m

$227

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 4/11

4:05 pm-10:42 pm

1 stop8h 37m

Vancouver Intl

Sat 4/18

8:30 am-9:08 pm

1 stop10h 38m

$287

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sat 4/4

4:05 pm-11:06 pm

1 stop6h 01m

Ottawa

Fri 4/10

10:15 am-3:24 pm

1 stop6h 09m

$296

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 3/19

6:29 am-10:57 am

1 stop6h 28m

Vancouver Intl

Wed 3/25

12:07 pm-11:25 pm

1 stop9h 18m

$309

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 3/19

2:50 pm-11:06 pm

1 stop10h 16m

Vancouver Intl

Wed 3/25

3:30 pm-11:34 pm

1 stop6h 04m

$314

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 3/19

6:29 am-10:57 am

1 stop6h 28m

Vancouver Intl

Wed 3/25

11:40 am-12:21 am

2 stops10h 41m

$319

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Fri 4/24

2:40 pm-10:56 pm

1 stop10h 16m

Vancouver Intl

Thu 4/30

3:15 pm-5:47 am

1 stop12h 32m

$320

St. LouisVictoria

STL - YYJ

STLYYJ

Lambert-St Louis

Tue 5/26

7:41 pm-11:11 am

1 stop17h 30m

Victoria Intl

Wed 6/10

5:31 pm-1:55 pm

1 stop18h 24m

$397

St. LouisVictoria

STL - YYJ

STLYYJ

Lambert-St Louis

Sat 6/6

7:41 pm-11:11 am

1 stop17h 30m

Victoria Intl

Thu 6/11

5:31 pm-4:33 pm

2 stops21h 02m

$407

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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

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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 June, then book flights to Canada from St. Louis during May instead. Flights to Canada in May, while not as cheap as those in June, still average around $488.

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 $790. 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 $955.

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 $854. 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 $1,073.

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 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 49% 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	$299
Fastest flight time	1h 51m
Direct flights	Every day
Airports in Canada	513 airports

The best one-way flight to Canada from St. Louis in the past 72 hours is $299. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $716.

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

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

There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Vancouver Intl (YVR), 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 February 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 Embraer 175, representing 29.93% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 14.60%, Airbus A220-300 at 12.41%, and Boeing 787-8 Dreamliner at 9.49%.

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 10,747 reviews	Search Air Canada flights
Delta	PriceFrom $169	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 9,348 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.2 11,353 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $402	Free Cancellation	Rating 8.0 11,959 reviews	Search Alaska Airlines flights
WestJet	PriceFrom $459	Free Cancellation	Rating 7.2 3,275 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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Popular cities in Canada

Flights to Torontofrom $119

Flights to Vancouverfrom $105

Flights to Montrealfrom $174

Flights to Calgaryfrom $174

Flights to Ottawafrom $215

Flights to Halifaxfrom $241

Flights to Winnipegfrom $216

Flights to Québec Cityfrom $271

Flights to Kelownafrom $185

Flights to Saskatoonfrom $230

Flights to St. John'sfrom $281

Flights to Reginafrom $295

Cheap flights from St. Louis to Canada from $79

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 3/31. 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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Delta flights from St. Louis to Canada

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

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See travel insights to Canada from

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 Lambert-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 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

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

Cabin classes currently available on flights to Canada

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

Complete your trip to Canada

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According to popular flight searches on momondo this year