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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 10/16. 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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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Logo
4:00 pm - 11:13 amSTL-YVR
21h 13m1 stop
Logo
8:30 pm - 3:04 pmYVR-STL
16h 34m2 stops
$262
Find Deal
Sun, Sep 14 - Sat, Sep 20
Logo
4:51 pm - 12:40 pmSTL-YVR
21h 49m2 stops
Logo
9:30 am - 10:37 amYVR-STL
23h 07m1 stop
$263
Find Deal
Sat, Oct 11 - Wed, Oct 15
American Airlines Logo
6:10 am - 11:19 pmSTL-YYC
18h 09m1 stop
American Airlines Logo
6:29 am - 9:53 pmYYC-STL
14h 24m1 stop
$326American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
9:56 am - 11:19 pmSTL-YYC
14h 23m1 stop
American Airlines Logo
1:26 pm - 9:26 amYYC-STL
19h 00m1 stop
$339American Airlines
Find Deal
Tue, Sep 23 - Fri, Sep 26
United Airlines Logo
6:30 am - 10:04 pmSTL-YEG
16h 34m2 stops
United Airlines Logo
3:17 pm - 10:49 amYEG-STL
18h 32m2 stops
$376United Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 8
United Airlines Logo
5:28 pm - 10:40 amSTL-YUL
16h 12m1 stop
United Airlines Logo
6:15 am - 2:27 pmYUL-STL
9h 12m1 stop
$388United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Air Canada Logo
9:15 am - 6:04 pmSTL-YVR
10h 49m1 stop
Air Canada Logo
12:45 am - 3:18 pmYVR-STL
12h 33m1 stop
$427Air Canada
Find Deal
Sat, Sep 27 - Tue, Sep 30
WestJet Logo
1:30 pm - 10:27 pmSTL-YEG
9h 57m2 stops
WestJet Logo
10:00 am - 11:07 pmYEG-STL
12h 07m2 stops
$589WestJet
Find Deal
Tue, Oct 7 - Sun, Oct 12
WestJet Logo
8:46 am - 3:59 pmSTL-YEG
8h 13m1 stop
WestJet Logo
9:25 am - 11:09 pmYEG-STL
12h 44m1 stop
$619WestJet
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Wed, Sep 10 - Wed, Sep 17
Air Canada Logo
5:15 am - 2:10 pmSTL-YEG
9h 55m2 stops
Air Canada Logo
8:00 am - 8:46 pmYEG-STL
11h 46m2 stops
$646Air Canada
Find Deal
Wed, Sep 10 - Wed, Sep 17

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Sep 9
STL6:10 amLambert-St Louis
18h 09m
1 stop
YYC11:19 pmCalgary
Sep 16
YYC6:29 amCalgary
14h 24m
1 stop
STL9:53 pmLambert-St Louis
$326
Find similar
American Airlines
Sep 23
STL9:56 amLambert-St Louis
14h 23m
1 stop
YYC11:19 pmCalgary
Sep 26
YYC1:26 pmCalgary
19h 00m
1 stop
STL9:26 amLambert-St Louis
$339
Find similar
American Airlines
Sep 16
STL1:53 pmLambert-St Louis
11h 02m
1 stop
YVR10:55 pmVancouver Intl
Sep 23
YVR1:29 pmVancouver Intl
17h 57m
1 stop
STL9:26 amLambert-St Louis
$345
Find similar

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
Sep 27
STL9:15 amLambert-St Louis
10h 49m
1 stop
YVR6:04 pmVancouver Intl
Sep 30
YVR12:45 amVancouver Intl
12h 33m
1 stop
STL3:18 pmLambert-St Louis
$427
Find similar
Air Canada
Aug 29
STL1:30 pmLambert-St Louis
10h 43m
1 stop
YYC11:13 pmCalgary
Sep 2
YYC11:55 pmCalgary
14h 23m
1 stop
STL3:18 pmLambert-St Louis
$541
Find similar
Air Canada
Aug 29
STL1:30 pmLambert-St Louis
10h 43m
1 stop
YYC11:13 pmCalgary
Sep 1
YYC1:10 amCalgary
17h 47m
1 stop
STL7:57 pmLambert-St Louis
$544
Find similar

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 August 18, 2025.
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

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 9/14

4:00 pm-11:13 am

1 stop21h 13m

Vancouver Intl

Sat 9/20

8:30 pm-3:04 pm

2 stops16h 34m

$262

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 10/11

4:51 pm-12:40 pm

2 stops21h 49m

Vancouver Intl

Wed 10/15

9:30 am-10:37 am

1 stop23h 07m

$263

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 9/9

6:10 am-11:19 pm

1 stop18h 09m

Calgary

Tue 9/16

6:29 am-9:53 pm

1 stop14h 24m

$326

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 9/23

9:56 am-11:19 pm

1 stop14h 23m

Calgary

Fri 9/26

1:26 pm-9:26 am

1 stop19h 00m

$339

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 10/7

6:30 am-10:04 pm

2 stops16h 34m

Edmonton

Wed 10/8

3:17 pm-10:49 am

2 stops18h 32m

$376

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 10/14

5:28 pm-10:40 am

1 stop16h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

6:15 am-2:27 pm

1 stop9h 12m

$388

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 9/27

9:15 am-6:04 pm

1 stop10h 49m

Vancouver Intl

Tue 9/30

12:45 am-3:18 pm

1 stop12h 33m

$427

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 10/7

1:30 pm-10:27 pm

2 stops9h 57m

Edmonton

Sun 10/12

10:00 am-11:07 pm

2 stops12h 07m

$589

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 9/10

8:46 am-3:59 pm

1 stop8h 13m

Edmonton

Wed 9/17

9:25 am-11:09 pm

1 stop12h 44m

$619

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 9/10

5:15 am-2:10 pm

2 stops9h 55m

Edmonton

Wed 9/17

8:00 am-8:46 pm

2 stops11h 46m

$646

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 November, then book flights to Canada from St. Louis during January instead. Flights to Canada in January, while not as cheap as those in November, still average around $286.

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

Our data shows that Thursday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $866. 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 $994.

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 $916. 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 $1,180.

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

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around $457 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as $221 on momondo.

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 20% 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

$131

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Canada

10 airports
The best one-way flight to Canada from St. Louis in the past 72 hours is $131. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $262.
The fastest flight from St. Louis to Canada takes 1h 55m
Direct flights go from St. Louis to Canada every day.
There are 10 airports near Canada: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Calgary (YYC), Vancouver Intl (YVR), St John's (YYT), Winnipeg (YWG), Halifax Intl (YHZ), Edmonton (YEG), Toronto Pearson Intl (YYZ), Québec City (YQB)
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?

  • 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 $165Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
DeltaPriceFrom $168Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
American AirlinesPriceFrom $330Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $360Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
WestJetPriceFrom $407Free CancellationRating
7.2
3,018 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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Find better results for your trip to Canada

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