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Cheap flights from St. Louis to Canada from $99

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 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:02 pm - 7:29 pm
STL
-
YVR
24h 27m
1 stop
Multiple Airlines Logo
5:30 pm - 5:46 pm
YVR
-
STL
22h 16m
1 stop
$277Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
10:11 pm - 1:55 pm
STL
-
YVR
41h 44m
2 stops
Multiple Airlines Logo
3:40 pm - 7:11 pm
YVR
-
STL
25h 31m
1 stop
$283Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
4:30 pm - 11:06 pm
STL
-
YVR
8h 36m
1 stop
United Airlines Logo
12:35 pm - 8:26 pm
YVR
-
STL
5h 51m
1 stop
$309United Airlines
Sat, Feb 28 - Wed, Mar 4
WestJet Logo
2:18 pm - 9:40 pm
STL
-
YHZ
5h 22m
1 stop
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
$366WestJet
Thu, Jun 18 - Sun, Jun 28
United Airlines Logo
12:44 pm - 6:52 pm
STL
-
YOW
5h 08m
1 stop
United Airlines Logo
5:55 pm - 11:59 pm
YOW
-
STL
7h 04m
1 stop
$370United Airlines
Mon, Feb 2 - Fri, Feb 6
WestJet Logo
6:45 am - 7:15 pm
STL
-
YHZ
10h 30m
2 stops
WestJet Logo
3:30 pm - 8:31 pm
YHZ
-
STL
7h 01m
1 stop
$376WestJet
Wed, Jul 15 - Wed, Jul 22
Air Canada Logo
7:30 am - 5:09 pm
STL
-
YHZ
7h 39m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$378Air Canada
Tue, May 12 - Sat, May 16
Air Canada Logo
7:25 am - 6:16 pm
STL
-
YHZ
8h 51m
2 stops
Air Canada Logo
3:00 pm - 8:05 pm
YHZ
-
STL
7h 05m
1 stop
$382Air Canada
Thu, Jun 18 - Wed, Jun 24
American Airlines Logo
7:00 am - 9:56 pm
STL
-
YYC
15h 56m
1 stop
American Airlines Logo
1:30 pm - 11:48 pm
YYC
-
STL
9h 18m
1 stop
$473American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
10:37 am - 10:56 pm
STL
-
YUL
11h 19m
2 stops
American Airlines Logo
12:59 pm - 11:48 pm
YUL
-
STL
11h 49m
2 stops
$575American Airlines
Tue, Feb 17 - Tue, Feb 24

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Feb 4
STL9:25 amLambert-St Louis
13h 50m
1 stop
YVR9:15 pmVancouver Intl
Feb 10
YVR1:44 pmVancouver Intl
19h 29m
1 stop
STL11:13 amLambert-St Louis
$395
American Airlines
Mar 4
STL7:00 amLambert-St Louis
15h 56m
1 stop
YYC9:56 pmCalgary
Mar 11
YYC1:30 pmCalgary
9h 18m
1 stop
STL11:48 pmLambert-St Louis
$473
American Airlines
Feb 14
STL10:43 amLambert-St Louis
9h 46m
1 stop
YYZ9:29 pmToronto Pearson Intl
Feb 21
YYZ11:40 amToronto Pearson Intl
10h 32m
1 stop
STL9:12 pmLambert-St Louis
$474

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
May 12
STL7:30 amLambert-St Louis
7h 39m
1 stop
YHZ5:09 pmHalifax Intl
May 16
YHZ6:00 amHalifax Intl
8h 06m
1 stop
STL12:06 pmLambert-St Louis
$378
Air Canada
Jun 18
STL7:25 amLambert-St Louis
8h 51m
2 stops
YHZ6:16 pmHalifax Intl
Jun 24
YHZ3:00 pmHalifax Intl
7h 05m
1 stop
STL8:05 pmLambert-St Louis
$382
Air Canada
May 12
STL7:30 amLambert-St Louis
11h 00m
2 stops
YHZ8:30 pmHalifax Intl
May 16
YHZ7:05 amHalifax Intl
7h 01m
1 stop
STL12:06 pmLambert-St Louis
$383

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 January 20, 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

Fri 2/20

9:02 pm-7:29 pm

1 stop24h 27m

Vancouver Intl

Fri 2/27

5:30 pm-5:46 pm

1 stop22h 16m

$277

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 3/2

10:11 pm-1:55 pm

2 stops41h 44m

Vancouver Intl

Mon 3/9

3:40 pm-7:11 pm

1 stop25h 31m

$283

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 2/28

4:30 pm-11:06 pm

1 stop8h 36m

Vancouver Intl

Wed 3/4

12:35 pm-8:26 pm

1 stop5h 51m

$309

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 6/18

2:18 pm-9:40 pm

1 stop5h 22m

Halifax Intl

Sun 6/28

3:30 pm-1:17 pm

1 stop23h 47m

$366

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Mon 2/2

12:44 pm-6:52 pm

1 stop5h 08m

Ottawa

Fri 2/6

5:55 pm-11:59 pm

1 stop7h 04m

$370

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 7/15

6:45 am-7:15 pm

2 stops10h 30m

Halifax Intl

Wed 7/22

3:30 pm-8:31 pm

1 stop7h 01m

$376

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 5/12

7:30 am-5:09 pm

1 stop7h 39m

Halifax Intl

Sat 5/16

6:00 am-12:06 pm

1 stop8h 06m

$378

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 6/18

7:25 am-6:16 pm

2 stops8h 51m

Halifax Intl

Wed 6/24

3:00 pm-8:05 pm

1 stop7h 05m

$382

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 3/4

7:00 am-9:56 pm

1 stop15h 56m

Calgary

Wed 3/11

1:30 pm-11:48 pm

1 stop9h 18m

$473

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 2/17

10:37 am-10:56 pm

2 stops11h 19m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

12:59 pm-11:48 pm

2 stops11h 49m

$575

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 April, then book flights to Canada from St. Louis during June instead. Flights to Canada in June, while not as cheap as those in April, still average around $363.

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 $801. 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 $984.

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 $872. 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 $1,150.

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 32% 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

$271

Fastest flight time

1h 51m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Canada

513 airports
The best one-way flight to Canada from St. Louis in the past 72 hours is $271. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $648.
The fastest flight from St. Louis to Canada takes 1h 51m
Direct flights go from St. Louis to Canada on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Air Canada.
There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Vancouver Intl (YVR), 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 $152Free CancellationRating
7.1
10,644 reviews
Search Air Canada flights
DeltaPriceFrom $156Free CancellationRating
7.9
8,085 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,189 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $402Free CancellationRating
8.0
11,764 reviews
Search Alaska Airlines flights
WestJetPriceFrom $428Free CancellationRating
7.2
3,247 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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