Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Canada from $140

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 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:35 am - 4:23 pm
STL
-
YVR
9h 48m
1 stop
United Airlines Logo
12:10 pm - 10:30 pm
YVR
-
STL
8h 20m
1 stop
$341United Airlines
Wed, Sep 23 - Tue, Sep 29
Air Canada Logo
12:10 pm - 8:15 pm
STL
-
YVR
10h 05m
1 stop
Air Canada Logo
7:30 am - 6:41 pm
YVR
-
STL
9h 11m
1 stop
$343Air Canada
Sat, Oct 10 - Thu, Oct 15
Multiple Airlines Logo
7:25 am - 10:25 pm
STL
-
YVR
17h 00m
1 stop
Multiple Airlines Logo
1:25 am - 2:00 pm
YVR
-
STL
10h 35m
1 stop
$349Multiple Airlines
Sat, Sep 5 - Tue, Sep 8
United Airlines Logo
1:13 pm - 10:25 pm
STL
-
YVR
11h 12m
1 stop
United Airlines Logo
11:35 pm - 3:46 pm
YVR
-
STL
14h 11m
1 stop
$351United Airlines
Tue, Jul 7 - Wed, Jul 15
American Airlines Logo
6:55 am - 5:34 pm
STL
-
YYZ
9h 39m
1 stop
American Airlines Logo
1:17 pm - 12:16 am
YYZ
-
STL
11h 59m
1 stop
$368American Airlines
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
6:55 am - 5:34 pm
STL
-
YYZ
9h 39m
1 stop
American Airlines Logo
1:17 pm - 12:16 am
YYZ
-
STL
11h 59m
1 stop
$375American Airlines
Tue, Jul 21 - Tue, Jul 28
Air Canada Logo
2:40 pm - 12:26 am
STL
-
YVR
11h 46m
1 stop
Air Canada Logo
1:25 am - 2:00 pm
YVR
-
STL
10h 35m
1 stop
$377Air Canada
Mon, Sep 14 - Tue, Sep 15
WestJet Logo
7:00 am - 7:05 am
STL
-
YUL
23h 05m
2 stops
WestJet Logo
6:00 am - 4:38 pm
YUL
-
STL
11h 38m
1 stop
$504WestJet
Mon, Aug 31 - Wed, Sep 2
WestJet Logo
5:45 pm - 11:35 am
STL
-
YWG
17h 50m
2 stops
WestJet Logo
5:35 pm - 11:18 pm
YWG
-
STL
5h 43m
1 stop
$646WestJet
Fri, Nov 13 - Sat, Nov 21
Delta Logo
11:00 am - 7:35 pm
STL
-
YYJ
10h 35m
2 stops
Delta Logo
8:25 pm - 11:46 am
YYJ
-
STL
13h 21m
2 stops
$716Delta
Fri, Aug 14 - Tue, Aug 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from St. Louis to Canada

Our best WestJet deals on St. Louis to Canada flight tickets
WestJet
Sep 15
STL11:16 amLambert-St Louis
9h 24m
2 stops
YYC7:40 pmCalgary
Sep 23
YYC8:00 pmCalgary
11h 55m
2 stops
STL8:55 amLambert-St Louis
$454
WestJet
Aug 8
STL6:20 amLambert-St Louis
11h 40m
1 stop
YYC5:00 pmCalgary
Aug 13
YYC12:20 amCalgary
10h 26m
1 stop
STL11:46 amLambert-St Louis
$456
WestJet
Aug 28
STL6:20 amLambert-St Louis
14h 20m
2 stops
YYC7:40 pmCalgary
Sep 3
YYC12:20 amCalgary
8h 00m
1 stop
STL9:20 amLambert-St Louis
$457

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Jul 21
STL6:55 amLambert-St Louis
9h 39m
1 stop
YYZ5:34 pmToronto Pearson Intl
Jul 28
YYZ1:17 pmToronto Pearson Intl
11h 59m
1 stop
STL12:16 amLambert-St Louis
$368
American Airlines
Jul 21
STL6:55 amLambert-St Louis
9h 39m
1 stop
YYZ5:34 pmToronto Pearson Intl
Jul 28
YYZ1:17 pmToronto Pearson Intl
11h 59m
1 stop
STL12:16 amLambert-St Louis
$375
American Airlines
Sep 8
STL9:32 amLambert-St Louis
7h 58m
1 stop
YYZ6:30 pmToronto Pearson Intl
Sep 12
YYZ6:30 amToronto Pearson Intl
11h 18m
1 stop
STL4:48 pmLambert-St Louis
$394

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

8:35 am-4:23 pm

1 stop9h 48m

Vancouver Intl

Tue 9/29

12:10 pm-10:30 pm

1 stop8h 20m

$341

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/10

12:10 pm-8:15 pm

1 stop10h 05m

Vancouver Intl

Thu 10/15

7:30 am-6:41 pm

1 stop9h 11m

$343

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 9/5

7:25 am-10:25 pm

1 stop17h 00m

Vancouver Intl

Tue 9/8

1:25 am-2:00 pm

1 stop10h 35m

$349

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 7/7

1:13 pm-10:25 pm

1 stop11h 12m

Vancouver Intl

Wed 7/15

11:35 pm-3:46 pm

1 stop14h 11m

$351

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 7/21

6:55 am-5:34 pm

1 stop9h 39m

Toronto Pearson Intl

Tue 7/28

1:17 pm-12:16 am

1 stop11h 59m

$368

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 7/21

6:55 am-5:34 pm

1 stop9h 39m

Toronto Pearson Intl

Tue 7/28

1:17 pm-12:16 am

1 stop11h 59m

$375

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 9/14

2:40 pm-12:26 am

1 stop11h 46m

Vancouver Intl

Tue 9/15

1:25 am-2:00 pm

1 stop10h 35m

$377

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 8/31

7:00 am-7:05 am

2 stops23h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 9/2

6:00 am-4:38 pm

1 stop11h 38m

$504

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Fri 11/13

5:45 pm-11:35 am

2 stops17h 50m

Winnipeg

Sat 11/21

5:35 pm-11:18 pm

1 stop5h 43m

$646

St. LouisVictoria

STL - YYJ

STLYYJ

Lambert-St Louis

Fri 8/14

11:00 am-7:35 pm

2 stops10h 35m

Victoria Intl

Tue 8/18

8:25 pm-11:46 am

2 stops13h 21m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Canada from

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 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 Friday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $797. 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 $953.

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 $779. 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 $1,062.

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

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 40% 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

$368

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 $368. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $372.
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?

  • 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?

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 CanadaPriceFrom $139Free CancellationRating
7.1
11,227 reviews
Search Air Canada flights
DeltaPriceFrom $151Free CancellationRating
7.8
8,421 reviews
Search Delta flights
United AirlinesPriceFrom $161Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,715 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $406Free CancellationRating
7.9
12,551 reviews
Search Alaska Airlines flights
WestJetPriceFrom $432Free CancellationRating
7.2
3,375 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/21
Tue 7/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom $172
Flights to Vancouverfrom $124
Flights to Montrealfrom $220
Flights to Calgaryfrom $216
Flights to Ottawafrom $234
Flights to Halifaxfrom $262
Flights to Winnipegfrom $306
Flights to Québec Cityfrom $328
Flights to Saskatoonfrom $299
Flights to Kelownafrom $236
Flights to St. John'sfrom $427
Flights to Reginafrom $366