Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Canada from $129

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 3/2. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

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
11:21 am - 1:40 pm
STL
-
YVR
28h 19m
2 stops
Multiple Airlines Logo
10:55 pm - 6:50 am
YVR
-
STL
29h 55m
1 stop
$288Multiple Airlines
Sun, May 3 - Mon, May 11
American Airlines Logo
2:25 pm - 12:50 pm
STL
-
YYC
23h 25m
1 stop
American Airlines Logo
1:40 pm - 11:46 pm
YYC
-
STL
9h 06m
1 stop
$289American Airlines
Sat, Apr 4 - Sat, Apr 11
Air Canada Logo
4:05 pm - 12:30 am
STL
-
YVR
10h 25m
1 stop
Air Canada Logo
10:30 pm - 3:29 pm
YVR
-
STL
14h 59m
1 stop
$291Air Canada
Wed, Mar 18 - Wed, Mar 25
Delta Logo
6:20 am - 10:39 am
STL
-
YVR
6h 19m
1 stop
Delta Logo
6:15 am - 3:19 pm
YVR
-
STL
7h 04m
1 stop
$309Delta
Wed, May 13 - Wed, May 20
WestJet Logo
6:29 am - 3:53 pm
STL
-
YVR
11h 24m
2 stops
WestJet Logo
11:00 pm - 9:05 am
YVR
-
STL
8h 05m
1 stop
$313WestJet
Wed, Mar 18 - Wed, Mar 25
Air Canada Logo
4:05 pm - 12:50 am
STL
-
YVR
10h 45m
1 stop
Air Canada Logo
8:30 am - 9:08 pm
YVR
-
STL
10h 38m
1 stop
$318Air Canada
Tue, Mar 24 - Tue, Mar 31
Delta Logo
6:20 am - 10:39 am
STL
-
YVR
6h 19m
1 stop
Delta Logo
6:20 am - 9:14 pm
YVR
-
STL
12h 54m
2 stops
$329Delta
Wed, May 13 - Wed, May 20
WestJet Logo
6:00 am - 6:14 pm
STL
-
YVR
14h 14m
2 stops
WestJet Logo
6:00 am - 6:02 pm
YVR
-
STL
10h 02m
2 stops
$353WestJet
Tue, Jul 7 - Wed, Jul 15
United Airlines Logo
5:15 am - 8:48 pm
STL
-
YWG
15h 33m
1 stop
United Airlines Logo
7:00 am - 9:11 pm
YWG
-
STL
14h 11m
1 stop
$426United Airlines
Mon, May 25 - Sun, May 31
United Airlines Logo
7:41 am - 9:17 pm
STL
-
YUL
12h 36m
1 stop
United Airlines Logo
9:25 am - 9:05 pm
YUL
-
STL
12h 40m
1 stop
$483United Airlines
Mon, Mar 2 - Wed, Mar 4

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Apr 4
STL2:25 pmLambert-St Louis
23h 25m
1 stop
YYC12:50 pmCalgary
Apr 11
YYC1:40 pmCalgary
9h 06m
1 stop
STL11:46 pmLambert-St Louis
$289
American Airlines
Apr 4
STL2:25 pmLambert-St Louis
23h 25m
1 stop
YYC12:50 pmCalgary
Apr 11
YYC6:45 amCalgary
16h 01m
2 stops
STL11:46 pmLambert-St Louis
$299
American Airlines
May 5
STL8:03 pmLambert-St Louis
14h 41m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
May 9
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
12h 26m
1 stop
STL11:56 pmLambert-St Louis
$333

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
Mar 18
STL4:05 pmLambert-St Louis
10h 25m
1 stop
YVR12:30 amVancouver Intl
Mar 25
YVR10:30 pmVancouver Intl
14h 59m
1 stop
STL3:29 pmLambert-St Louis
$291
Air Canada
Mar 24
STL4:05 pmLambert-St Louis
10h 45m
1 stop
YVR12:50 amVancouver Intl
Mar 31
YVR8:30 amVancouver Intl
10h 38m
1 stop
STL9:08 pmLambert-St Louis
$318
Air Canada
May 12
STL7:30 amLambert-St Louis
7h 39m
1 stop
YHZ5:09 pmHalifax Intl
May 17
YHZ6:00 amHalifax Intl
8h 06m
1 stop
STL12:06 pmLambert-St Louis
$355

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 February 8, 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

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 5/3

11:21 am-1:40 pm

2 stops28h 19m

Vancouver Intl

Mon 5/11

10:55 pm-6:50 am

1 stop29h 55m

$288

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 4/4

2:25 pm-12:50 pm

1 stop23h 25m

Calgary

Sat 4/11

1:40 pm-11:46 pm

1 stop9h 06m

$289

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 3/18

4:05 pm-12:30 am

1 stop10h 25m

Vancouver Intl

Wed 3/25

10:30 pm-3:29 pm

1 stop14h 59m

$291

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 5/13

6:20 am-10:39 am

1 stop6h 19m

Vancouver Intl

Wed 5/20

6:15 am-3:19 pm

1 stop7h 04m

$309

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 3/18

6:29 am-3:53 pm

2 stops11h 24m

Vancouver Intl

Wed 3/25

11:00 pm-9:05 am

1 stop8h 05m

$313

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 3/24

4:05 pm-12:50 am

1 stop10h 45m

Vancouver Intl

Tue 3/31

8:30 am-9:08 pm

1 stop10h 38m

$318

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Wed 5/13

6:20 am-10:39 am

1 stop6h 19m

Vancouver Intl

Wed 5/20

6:20 am-9:14 pm

2 stops12h 54m

$329

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 7/7

6:00 am-6:14 pm

2 stops14h 14m

Vancouver Intl

Wed 7/15

6:00 am-6:02 pm

2 stops10h 02m

$353

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Mon 5/25

5:15 am-8:48 pm

1 stop15h 33m

Winnipeg

Sun 5/31

7:00 am-9:11 pm

1 stop14h 11m

$426

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 3/2

7:41 am-9:17 pm

1 stop12h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 3/4

9:25 am-9:05 pm

1 stop12h 40m

$483

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 June, then book flights to Canada from St. Louis during April instead. Flights to Canada in April, while not as cheap as those in June, still average around $444.

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

Our data shows that Tuesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $788. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Canada for around $964.

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 $858. 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 $1,076.

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 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 48% 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

$299

Fastest flight time

1h 51m

Direct flights

Every day

Airports in Canada

513 airports
The best one-way flight to Canada from St. Louis in the past 72 hours is $299. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $651.
The fastest flight from St. Louis to Canada takes 1h 51m
Direct flights go from St. Louis to Canada every day.
There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
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 $139Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
DeltaPriceFrom $169Free CancellationRating
7.9
8,174 reviews
Search Delta flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $402Free CancellationRating
8.0
11,865 reviews
Search Alaska Airlines flights
WestJetPriceFrom $459Free CancellationRating
7.2
3,256 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 3/10
Tue 3/17
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 $120
Flights to Vancouverfrom $97
Flights to Montrealfrom $165
Flights to Calgaryfrom $174
Flights to Ottawafrom $177
Flights to Halifaxfrom $211
Flights to Winnipegfrom $193
Flights to Québec Cityfrom $299
Flights to Kelownafrom $180
Flights to Saskatoonfrom $228
Flights to St. John'sfrom $409
Flights to Reginafrom $233