Cheap flights from St. Louis to Canada from $143

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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
6:33 pm - 11:00 am
STL
-
YYC
17h 27m
1 stop
Multiple Airlines Logo
12:30 am - 5:30 pm
YYC
-
STL
16h 00m
1 stop
$327Multiple Airlines
Sun, Aug 23 - Mon, Aug 31
American Airlines Logo
7:44 am - 12:23 pm
STL
-
YVR
6h 39m
1 stop
American Airlines Logo
1:09 pm - 11:20 pm
YVR
-
STL
8h 11m
1 stop
$330American Airlines
Wed, Sep 23 - Tue, Sep 29
American Airlines Logo
6:06 am - 12:23 pm
STL
-
YVR
8h 17m
1 stop
American Airlines Logo
1:09 pm - 11:20 pm
YVR
-
STL
8h 11m
1 stop
$331American Airlines
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
5:10 am - 9:51 am
STL
-
YVR
6h 41m
1 stop
United Airlines Logo
3:35 pm - 11:50 pm
YVR
-
STL
6h 15m
1 stop
$354United Airlines
Mon, Sep 14 - Thu, Sep 17
Air Canada Logo
2:40 pm - 10:01 pm
STL
-
YVR
9h 21m
1 stop
Air Canada Logo
7:30 am - 6:41 pm
YVR
-
STL
9h 11m
1 stop
$356Air Canada
Sat, Oct 10 - Thu, Oct 15
United Airlines Logo
1:36 pm - 6:18 pm
STL
-
YVR
6h 42m
1 stop
United Airlines Logo
2:20 pm - 11:45 pm
YVR
-
STL
7h 25m
1 stop
$358United Airlines
Sat, Oct 10 - Thu, Oct 15
Air Canada Logo
2:40 pm - 12:21 am
STL
-
YVR
11h 41m
1 stop
Air Canada Logo
10:15 pm - 2:02 pm
YVR
-
STL
13h 47m
2 stops
$370Air Canada
Mon, Jul 13 - Wed, Jul 15
Delta Logo
8:48 am - 4:55 pm
STL
-
YEG
9h 07m
1 stop
Delta Logo
9:30 pm - 10:41 am
YEG
-
STL
12h 11m
2 stops
$656Delta
Thu, Aug 27 - Mon, Aug 31
WestJet Logo
10:16 am - 12:30 pm
STL
-
YXE
51h 14m
2 stops
WestJet Logo
6:30 pm - 9:43 am
YXE
-
STL
14h 13m
2 stops
$730WestJet
Sat, Jul 4 - Mon, Jul 13
WestJet Logo
11:18 am - 8:20 pm
STL
-
YXE
10h 02m
2 stops
WestJet Logo
6:30 pm - 12:17 pm
YXE
-
STL
16h 47m
2 stops
$735WestJet
Fri, Jul 3 - Mon, Jul 13

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Sep 23
STL7:44 amLambert-St Louis
6h 39m
1 stop
YVR12:23 pmVancouver Intl
Sep 29
YVR1:09 pmVancouver Intl
8h 11m
1 stop
STL11:20 pmLambert-St Louis
$330
American Airlines
Sep 23
STL6:06 amLambert-St Louis
8h 17m
1 stop
YVR12:23 pmVancouver Intl
Sep 29
YVR1:09 pmVancouver Intl
8h 11m
1 stop
STL11:20 pmLambert-St Louis
$331
American Airlines
Jun 22
STL8:36 amLambert-St Louis
16h 09m
1 stop
YVR10:45 pmVancouver Intl
Jun 25
YVR11:57 pmVancouver Intl
6h 34m
1 stop
STL8:31 amLambert-St Louis
$363

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
Oct 10
STL2:40 pmLambert-St Louis
9h 21m
1 stop
YVR10:01 pmVancouver Intl
Oct 15
YVR7:30 amVancouver Intl
9h 11m
1 stop
STL6:41 pmLambert-St Louis
$356
Air Canada
Jul 13
STL2:40 pmLambert-St Louis
11h 41m
1 stop
YVR12:21 amVancouver Intl
Jul 15
YVR10:15 pmVancouver Intl
13h 47m
2 stops
STL2:02 pmLambert-St Louis
$370
Air Canada
Sep 16
STL8:55 amLambert-St Louis
6h 14m
1 stop
YHZ5:09 pmHalifax Intl
Sep 24
YHZ4:10 pmHalifax Intl
5h 50m
1 stop
STL8:00 pmLambert-St Louis
$371

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 May 15, 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

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 8/23

6:33 pm-11:00 am

1 stop17h 27m

Calgary

Mon 8/31

12:30 am-5:30 pm

1 stop16h 00m

$327

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

7:44 am-12:23 pm

1 stop6h 39m

Vancouver Intl

Tue 9/29

1:09 pm-11:20 pm

1 stop8h 11m

$330

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

6:06 am-12:23 pm

1 stop8h 17m

Vancouver Intl

Tue 9/29

1:09 pm-11:20 pm

1 stop8h 11m

$331
Quickest round-trip

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 9/14

5:10 am-9:51 am

1 stop6h 41m

Vancouver Intl

Thu 9/17

3:35 pm-11:50 pm

1 stop6h 15m

$354

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/10

2:40 pm-10:01 pm

1 stop9h 21m

Vancouver Intl

Thu 10/15

7:30 am-6:41 pm

1 stop9h 11m

$356

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/10

1:36 pm-6:18 pm

1 stop6h 42m

Vancouver Intl

Thu 10/15

2:20 pm-11:45 pm

1 stop7h 25m

$358

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 7/13

2:40 pm-12:21 am

1 stop11h 41m

Vancouver Intl

Wed 7/15

10:15 pm-2:02 pm

2 stops13h 47m

$370

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 8/27

8:48 am-4:55 pm

1 stop9h 07m

Edmonton

Mon 8/31

9:30 pm-10:41 am

2 stops12h 11m

$656

St. LouisSaskatoon

STL - YXE

STLYXE

Lambert-St Louis

Sat 7/4

10:16 am-12:30 pm

2 stops51h 14m

Saskatoon

Mon 7/13

6:30 pm-9:43 am

2 stops14h 13m

$730

St. LouisSaskatoon

STL - YXE

STLYXE

Lambert-St Louis

Fri 7/3

11:18 am-8:20 pm

2 stops10h 02m

Saskatoon

Mon 7/13

6:30 pm-12:17 pm

2 stops16h 47m

$735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $796. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Canada for around $934.

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 $794. 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 $1,064.

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 36% 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

$346

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 $346. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $760.
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), Vancouver Intl (YVR), Toronto Pearson Intl (YYZ).

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
11,045 reviews
Search Air Canada flights
DeltaPriceFrom $142Free CancellationRating
7.9
8,455 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,727 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $402Free CancellationRating
7.9
12,371 reviews
Search Alaska Airlines flights
WestJetPriceFrom $479Free CancellationRating
7.2
3,336 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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1 adult
Sun 6/14
Sun 6/21

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