Cheap flights from St. Louis to Canada from $141

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 9/9. 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

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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:46 pm - 12:15 am
STL
-
YVR
13h 29m
2 stops
Multiple Airlines Logo
12:35 pm - 11:51 am
YVR
-
STL
21h 16m
1 stop
$306Multiple Airlines
Tue, Sep 22 - Fri, Sep 25
Multiple Airlines Logo
12:46 pm - 4:15 pm
STL
-
YVR
29h 29m
1 stop
Multiple Airlines Logo
10:40 am - 11:51 am
YVR
-
STL
23h 11m
2 stops
$312Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
United Airlines Logo
1:36 pm - 10:56 pm
STL
-
YVR
11h 20m
1 stop
United Airlines Logo
12:10 pm - 10:30 pm
YVR
-
STL
8h 20m
1 stop
$315United Airlines
Mon, Sep 21 - Fri, Sep 25
United Airlines Logo
1:36 pm - 8:59 pm
STL
-
YVR
9h 23m
2 stops
United Airlines Logo
12:10 pm - 10:30 pm
YVR
-
STL
8h 20m
1 stop
$325United Airlines
Wed, Sep 23 - Wed, Sep 30
American Airlines Logo
7:21 am - 6:35 pm
STL
-
YYZ
10h 14m
1 stop
American Airlines Logo
6:30 am - 8:44 pm
YYZ
-
STL
15h 14m
1 stop
$384American Airlines
Wed, Sep 16 - Sat, Sep 19
American Airlines Logo
6:00 am - 2:33 pm
STL
-
YYZ
7h 33m
1 stop
American Airlines Logo
1:15 pm - 8:44 pm
YYZ
-
STL
8h 29m
1 stop
$385American Airlines
Wed, Sep 2 - Wed, Sep 23
WestJet Logo
1:55 pm - 8:10 am
STL
-
YHZ
16h 15m
2 stops
WestJet Logo
8:00 pm - 10:55 am
YHZ
-
STL
16h 55m
2 stops
$435WestJet
Wed, Sep 16 - Thu, Sep 24
Air Canada Logo
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
7:15 am - 2:00 pm
YHZ
-
STL
8h 45m
2 stops
$440Air Canada
Wed, Sep 16 - Thu, Sep 24
WestJet Logo
1:55 pm - 8:10 am
STL
-
YHZ
16h 15m
2 stops
WestJet Logo
8:00 pm - 10:55 am
YHZ
-
STL
16h 55m
2 stops
$442WestJet
Wed, Sep 16 - Thu, Sep 24
Air Canada Logo
8:55 am - 8:29 pm
STL
-
YHZ
9h 34m
2 stops
Air Canada Logo
7:15 am - 2:00 pm
YHZ
-
STL
8h 45m
2 stops
$445Air Canada
Tue, Sep 22 - Tue, Sep 29

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Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
Aug 13
STL12:10 pmLambert-St Louis
9h 40m
1 stop
YVR7:50 pmVancouver Intl
Aug 18
YVR10:10 pmVancouver Intl
13h 52m
2 stops
STL2:02 pmLambert-St Louis
$364
Air Canada
Nov 14
STL8:58 amLambert-St Louis
15h 21m
2 stops
YVR11:19 pmVancouver Intl
Dec 14
YVR9:45 amVancouver Intl
9h 14m
1 stop
STL7:59 pmLambert-St Louis
$421
Air Canada
Aug 13
STL12:10 pmLambert-St Louis
9h 40m
1 stop
YVR7:50 pmVancouver Intl
Aug 20
YVR8:35 amVancouver Intl
10h 11m
1 stop
STL8:46 pmLambert-St Louis
$423

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Sep 16
STL7:21 amLambert-St Louis
10h 14m
1 stop
YYZ6:35 pmToronto Pearson Intl
Sep 19
YYZ6:30 amToronto Pearson Intl
15h 14m
1 stop
STL8:44 pmLambert-St Louis
$384
American Airlines
Sep 2
STL6:00 amLambert-St Louis
7h 33m
1 stop
YYZ2:33 pmToronto Pearson Intl
Sep 23
YYZ1:15 pmToronto Pearson Intl
8h 29m
1 stop
STL8:44 pmLambert-St Louis
$385
American Airlines
Nov 6
STL7:00 amLambert-St Louis
17h 27m
1 stop
YVR11:27 pmVancouver Intl
Nov 10
YVR2:35 pmVancouver Intl
16h 23m
1 stop
STL7:58 amLambert-St Louis
$387

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 July 2, 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. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 9/22

12:46 pm-12:15 am

2 stops13h 29m

Vancouver Intl

Fri 9/25

12:35 pm-11:51 am

1 stop21h 16m

$306

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 9/22

12:46 pm-4:15 pm

1 stop29h 29m

Vancouver Intl

Mon 9/28

10:40 am-11:51 am

2 stops23h 11m

$312

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 9/21

1:36 pm-10:56 pm

1 stop11h 20m

Vancouver Intl

Fri 9/25

12:10 pm-10:30 pm

1 stop8h 20m

$315

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

1:36 pm-8:59 pm

2 stops9h 23m

Vancouver Intl

Wed 9/30

12:10 pm-10:30 pm

1 stop8h 20m

$325

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 9/16

7:21 am-6:35 pm

1 stop10h 14m

Toronto Pearson Intl

Sat 9/19

6:30 am-8:44 pm

1 stop15h 14m

$384

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 9/2

6:00 am-2:33 pm

1 stop7h 33m

Toronto Pearson Intl

Wed 9/23

1:15 pm-8:44 pm

1 stop8h 29m

$385

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

1:55 pm-8:10 am

2 stops16h 15m

Halifax Intl

Thu 9/24

8:00 pm-10:55 am

2 stops16h 55m

$435
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-5:14 pm

1 stop6h 19m

Halifax Intl

Thu 9/24

7:15 am-2:00 pm

2 stops8h 45m

$440

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

1:55 pm-8:10 am

2 stops16h 15m

Halifax Intl

Thu 9/24

8:00 pm-10:55 am

2 stops16h 55m

$442

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 9/22

8:55 am-8:29 pm

2 stops9h 34m

Halifax Intl

Tue 9/29

7:15 am-2:00 pm

2 stops8h 45m

$445

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 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 $946.

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 $776. 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 $1,058.

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

$275

Fastest flight time

1h 54m

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 $275. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $435.
The fastest flight from St. Louis to Canada takes 1h 54m
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
11,291 reviews
Search Air Canada flights
DeltaPriceFrom $151Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $161Free CancellationRating
7.4
9,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,765 reviews
Search American Airlines flights
WestJetPriceFrom $391Free CancellationRating
7.2
3,393 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $406Free CancellationRating
7.9
12,607 reviews
Search Alaska Airlines 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
Sat 8/1
Sat 8/8

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