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Cheap flights from St. Louis to Canada from $132

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 6/9. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:23 pm - 11:00 am
STL
-
YYC
15h 37m
1 stop
Multiple Airlines Logo
9:00 pm - 5:36 pm
YYC
-
STL
19h 36m
2 stops
$300Multiple Airlines
lun., abr. 27 - lun., may. 4
Multiple Airlines Logo
8:23 pm - 11:00 am
STL
-
YYC
15h 37m
1 stop
Multiple Airlines Logo
9:00 pm - 5:36 pm
YYC
-
STL
19h 36m
2 stops
$309Multiple Airlines
sáb., abr. 25 - lun., may. 4
United Airlines Logo
6:05 pm - 10:56 pm
STL
-
YVR
6h 51m
1 stop
United Airlines Logo
1:59 pm - 11:11 pm
YVR
-
STL
7h 12m
1 stop
$309United Airlines
vie., abr. 10 - vie., abr. 17
United Airlines Logo
6:30 am - 11:33 am
STL
-
YVR
7h 03m
1 stop
United Airlines Logo
1:59 pm - 8:25 am
YVR
-
STL
16h 26m
1 stop
$331United Airlines
dom., abr. 19 - mié., abr. 22
Air Canada Logo
6:30 am - 11:33 am
STL
-
YVR
7h 03m
1 stop
Air Canada Logo
8:15 am - 8:04 pm
YVR
-
STL
9h 49m
2 stops
$350Air Canada
mar., abr. 28 - mar., may. 5
Air Canada Logo
4:05 pm - 10:36 am
STL
-
YHZ
16h 31m
2 stops
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$352Air Canada
lun., abr. 27 - lun., may. 4
WestJet Logo
2:18 pm - 9:45 pm
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 pm - 8:31 pm
YHZ
-
STL
7h 01m
1 stop
$370WestJet
vie., sep. 4 - mar., sep. 15
WestJet Logo
2:18 pm - 9:45 pm
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 pm - 8:31 pm
YHZ
-
STL
7h 01m
1 stop
$371WestJet
dom., ago. 9 - vie., ago. 14
American Airlines Logo
8:03 pm - 12:59 pm
STL
-
YYC
17h 56m
1 stop
American Airlines Logo
1:40 pm - 11:47 am
YYC
-
STL
21h 07m
1 stop
$393American Airlines
jue., abr. 23 - lun., abr. 27
American Airlines Logo
8:03 pm - 12:59 pm
STL
-
YYC
17h 56m
1 stop
American Airlines Logo
1:40 pm - 2:03 pm
YYC
-
STL
23h 23m
1 stop
$395American Airlines
sáb., abr. 25 - lun., may. 4

WestJet flights from St. Louis to Canada

Our best WestJet deals on St. Louis to Canada flight tickets
WestJet
Sep 4
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Sep 15
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$370
WestJet
Aug 9
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Aug 14
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$371
WestJet
Aug 9
STL6:45 amLambert-St Louis
10h 40m
2 stops
YHZ7:25 pmHalifax Intl
Aug 14
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$381

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
Apr 23
STL8:03 pmLambert-St Louis
17h 56m
1 stop
YYC12:59 pmCalgary
Apr 27
YYC1:40 pmCalgary
21h 07m
1 stop
STL11:47 amLambert-St Louis
$393
American Airlines
Apr 25
STL8:03 pmLambert-St Louis
17h 56m
1 stop
YYC12:59 pmCalgary
May 4
YYC1:40 pmCalgary
23h 23m
1 stop
STL2:03 pmLambert-St Louis
$395
American Airlines
Apr 20
STL6:11 pmLambert-St Louis
18h 37m
1 stop
YVR10:48 amVancouver Intl
Apr 27
YVR6:00 amVancouver Intl
14h 59m
1 stop
STL10:59 pmLambert-St Louis
$396

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 marzo 16, 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. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

lun. 4/27

8:23 pm-11:00 am

1 stop15h 37m

Calgary

lun. 5/4

9:00 pm-5:36 pm

2 stops19h 36m

$300

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

sáb. 4/25

8:23 pm-11:00 am

1 stop15h 37m

Calgary

lun. 5/4

9:00 pm-5:36 pm

2 stops19h 36m

$309

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

vie. 4/10

6:05 pm-10:56 pm

1 stop6h 51m

Vancouver Intl

vie. 4/17

1:59 pm-11:11 pm

1 stop7h 12m

$309

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

dom. 4/19

6:30 am-11:33 am

1 stop7h 03m

Vancouver Intl

mié. 4/22

1:59 pm-8:25 am

1 stop16h 26m

$331

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

mar. 4/28

6:30 am-11:33 am

1 stop7h 03m

Vancouver Intl

mar. 5/5

8:15 am-8:04 pm

2 stops9h 49m

$350

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

lun. 4/27

4:05 pm-10:36 am

2 stops16h 31m

Halifax Intl

lun. 5/4

6:00 am-12:06 pm

1 stop8h 06m

$352
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

vie. 9/4

2:18 pm-9:45 pm

1 stop5h 27m

Halifax Intl

mar. 9/15

3:30 pm-8:31 pm

1 stop7h 01m

$370

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

dom. 8/9

2:18 pm-9:45 pm

1 stop5h 27m

Halifax Intl

vie. 8/14

3:30 pm-8:31 pm

1 stop7h 01m

$371

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

jue. 4/23

8:03 pm-12:59 pm

1 stop17h 56m

Calgary

lun. 4/27

1:40 pm-11:47 am

1 stop21h 07m

$393

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

sáb. 4/25

8:03 pm-12:59 pm

1 stop17h 56m

Calgary

lun. 5/4

1:40 pm-2:03 pm

1 stop23h 23m

$395

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 June, then book flights to Canada from St. Louis during March instead. Flights to Canada in March, while not as cheap as those in June, still average around $427.

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 $793. 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 $920.

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 $828. 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 $1,047.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau 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 47% 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

$315

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 $315. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is $724.
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), 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 $139Free CancellationRating
7.1
10,806 reviews
Search Air Canada flights
DeltaPriceFrom $142Free CancellationRating
7.9
8,289 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,429 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $402Free CancellationRating
7.9
12,052 reviews
Search Alaska Airlines flights
WestJetPriceFrom $441Free CancellationRating
7.2
3,295 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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