Cheap flights from St. Louis to Canada from $149

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 - 8:59 pm
STL
-
YVR
14h 24m
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
Delta Logo
11:16 am - 8:26 pm
STL
-
YVR
11h 10m
1 stop
Delta Logo
1:23 pm - 12:34 am
YVR
-
STL
9h 11m
1 stop
$351Delta
Mon, Sep 21 - Fri, Sep 25
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
WestJet Logo
11:13 am - 7:10 pm
STL
-
YVR
9h 57m
2 stops
WestJet Logo
6:00 am - 4:44 pm
YVR
-
STL
8h 44m
1 stop
$390WestJet
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
8:06 pm - 10:59 am
STL
-
YYZ
13h 53m
1 stop
American Airlines Logo
1:15 pm - 12:27 am
YYZ
-
STL
12h 12m
1 stop
$394American Airlines
Sat, Sep 5 - Wed, Sep 9
WestJet Logo
11:13 am - 7:10 pm
STL
-
YVR
9h 57m
2 stops
WestJet Logo
5:00 am - 4:44 pm
YVR
-
STL
9h 44m
2 stops
$396WestJet
Fri, Aug 28 - Sat, Sep 5
Air Canada Logo
2:40 pm - 12:34 am
STL
-
YHZ
7h 54m
1 stop
Air Canada Logo
12:25 pm - 6:42 pm
YHZ
-
STL
8h 17m
1 stop
$431Air Canada
Tue, Jul 14 - Wed, Jul 15
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
12:25 pm - 6:42 pm
YHZ
-
STL
8h 17m
1 stop
$436Air Canada
Tue, Jul 14 - Wed, Jul 15
Alaska Airlines Logo
4:40 pm - 10:23 pm
STL
-
YYJ
7h 43m
1 stop
Alaska Airlines Logo
6:09 am - 3:44 pm
YYJ
-
STL
7h 35m
1 stop
$567Alaska Airlines
Sat, Oct 3 - Tue, Oct 6
Alaska Airlines Logo
5:37 pm - 10:44 am
STL
-
YYJ
19h 07m
2 stops
Alaska Airlines Logo
2:42 pm - 11:59 pm
YYJ
-
STL
7h 17m
1 stop
$619Alaska Airlines
Fri, Aug 14 - Tue, Aug 18

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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
Jul 14
STL2:40 pmLambert-St Louis
7h 54m
1 stop
YHZ12:34 amHalifax Intl
Jul 15
YHZ12:25 pmHalifax Intl
8h 17m
1 stop
STL6:42 pmLambert-St Louis
$431
Air Canada
Jun 29
STL5:10 amLambert-St Louis
6h 41m
1 stop
YVR9:51 amVancouver Intl
Jul 7
YVR10:15 pmVancouver Intl
13h 47m
2 stops
STL2:02 pmLambert-St Louis
$434
Air Canada
Aug 5
STL2:40 pmLambert-St Louis
12h 07m
1 stop
YVR12:47 amVancouver Intl
Aug 11
YVR8:25 amVancouver Intl
9h 57m
2 stops
STL8:22 pmLambert-St Louis
$436

WestJet flights from St. Louis to Canada

Our best WestJet deals on St. Louis to Canada flight tickets
WestJet
Aug 28
STL11:13 amLambert-St Louis
9h 57m
2 stops
YVR7:10 pmVancouver Intl
Sep 5
YVR6:00 amVancouver Intl
8h 44m
1 stop
STL4:44 pmLambert-St Louis
$390
WestJet
Aug 28
STL11:13 amLambert-St Louis
9h 57m
2 stops
YVR7:10 pmVancouver Intl
Sep 5
YVR5:00 amVancouver Intl
9h 44m
2 stops
STL4:44 pmLambert-St Louis
$396
WestJet
Aug 28
STL6:25 pmLambert-St Louis
18h 35m
1 stop
YVR11:00 amVancouver Intl
Sep 5
YVR6:00 amVancouver Intl
6h 47m
1 stop
STL2:47 pmLambert-St Louis
$414

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 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. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 9/23

8:35 am-8:59 pm

1 stop14h 24m

Vancouver Intl

Tue 9/29

12:10 pm-10:30 pm

1 stop8h 20m

$341

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 9/21

11:16 am-8:26 pm

1 stop11h 10m

Vancouver Intl

Fri 9/25

1:23 pm-12:34 am

1 stop9h 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. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Fri 8/28

11:13 am-7:10 pm

2 stops9h 57m

Vancouver Intl

Sat 9/5

6:00 am-4:44 pm

1 stop8h 44m

$390

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 9/5

8:06 pm-10:59 am

1 stop13h 53m

Toronto Pearson Intl

Wed 9/9

1:15 pm-12:27 am

1 stop12h 12m

$394

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Fri 8/28

11:13 am-7:10 pm

2 stops9h 57m

Vancouver Intl

Sat 9/5

5:00 am-4:44 pm

2 stops9h 44m

$396

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/14

2:40 pm-12:34 am

1 stop7h 54m

Halifax Intl

Wed 7/15

12:25 pm-6:42 pm

1 stop8h 17m

$431

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/14

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Wed 7/15

12:25 pm-6:42 pm

1 stop8h 17m

$436
Quickest round-trip

St. LouisVictoria

STL - YYJ

STLYYJ

Lambert-St Louis

Sat 10/3

4:40 pm-10:23 pm

1 stop7h 43m

Victoria Intl

Tue 10/6

6:09 am-3:44 pm

1 stop7h 35m

$567

St. LouisVictoria

STL - YYJ

STLYYJ

Lambert-St Louis

Fri 8/14

5:37 pm-10:44 am

2 stops19h 07m

Victoria Intl

Tue 8/18

2:42 pm-11:59 pm

1 stop7h 17m

$619

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 $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 43% 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

$402

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 $402. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $373.
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
11,195 reviews
Search Air Canada flights
DeltaPriceFrom $151Free CancellationRating
7.9
8,401 reviews
Search Delta flights
United AirlinesPriceFrom $161Free CancellationRating
7.4
9,841 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $406Free CancellationRating
7.9
12,517 reviews
Search Alaska Airlines flights
WestJetPriceFrom $432Free CancellationRating
7.2
3,365 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
Wed 7/15
Wed 7/22

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