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Cheap flights from St. Louis to Canada from $120

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 5/2. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:32 am - 11:12 am
STL
-
YVR
25h 40m
1 stop
Multiple Airlines Logo
11:00 pm - 10:31 am
YVR
-
STL
9h 31m
1 stop
$280Multiple Airlines
on., mar. 18 - on., mar. 25
Multiple Airlines Logo
3:49 pm - 2:20 pm
STL
-
YYZ
21h 31m
1 stop
Multiple Airlines Logo
3:40 pm - 11:19 pm
YYZ
-
STL
32h 39m
2 stops
$307Multiple Airlines
ma., mar. 2 - ma., mar. 9
United Airlines Logo
2:45 pm - 11:06 pm
STL
-
YVR
10h 21m
1 stop
United Airlines Logo
8:30 am - 8:45 pm
YVR
-
STL
10h 15m
1 stop
$309United Airlines
on., mar. 4 - lø., mar. 7
American Airlines Logo
8:03 pm - 11:44 am
STL
-
YUL
14h 41m
1 stop
American Airlines Logo
12:30 pm - 10:19 pm
YUL
-
STL
10h 49m
1 stop
$329American Airlines
ti., mai 5 - lø., mai 9
American Airlines Logo
8:03 pm - 11:44 am
STL
-
YUL
14h 41m
1 stop
American Airlines Logo
1:03 pm - 11:56 pm
YUL
-
STL
11h 53m
2 stops
$339American Airlines
ti., mai 5 - lø., mai 9
Air Canada Logo
2:20 pm - 12:24 am
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$356Air Canada
on., mai 13 - lø., mai 16
WestJet Logo
12:10 pm - 8:22 pm
STL
-
YVR
10h 12m
1 stop
WestJet Logo
10:35 pm - 12:54 pm
YVR
-
STL
12h 19m
2 stops
$357WestJet
ti., jul. 7 - on., jul. 15
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m
2 stops
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m
1 stop
$361Air Canada
on., mai 13 - lø., mai 16
WestJet Logo
5:30 pm - 8:50 pm
STL
-
YVR
29h 20m
1 stop
WestJet Logo
5:00 am - 4:49 pm
YVR
-
STL
9h 49m
2 stops
$367WestJet
lø., jul. 11 - lø., jul. 18
United Airlines Logo
7:41 am - 5:07 pm
STL
-
YOW
8h 26m
1 stop
United Airlines Logo
6:00 am - 10:44 am
YOW
-
STL
5h 44m
1 stop
$382United Airlines
sø., mar. 1 - sø., mar. 8

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
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
10h 49m
1 stop
STL10:19 pmLambert-St Louis
$329
American Airlines
May 5
STL8:03 pmLambert-St Louis
14h 41m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
May 9
YUL1:03 pmMontreal Pierre Elliott Trudeau Intl
11h 53m
2 stops
STL11:56 pmLambert-St Louis
$339
American Airlines
Apr 15
STL5:46 amLambert-St Louis
10h 57m
1 stop
YYZ5:43 pmToronto Pearson Intl
Apr 18
YYZ3:13 pmToronto Pearson Intl
9h 33m
1 stop
STL11:46 pmLambert-St Louis
$361

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
May 13
STL2:20 pmLambert-St Louis
8h 04m
1 stop
YHZ12:24 amHalifax Intl
May 16
YHZ6:00 amHalifax Intl
8h 06m
1 stop
STL12:06 pmLambert-St Louis
$356
Air Canada
May 13
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
$361
Air Canada
May 13
STL7:30 amLambert-St Louis
11h 00m
2 stops
YHZ8:30 pmHalifax Intl
May 16
YHZ1:25 pmHalifax Intl
8h 39m
2 stops
STL8:04 pmLambert-St Louis
$367

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 februar 3, 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

on. 3/18

11:32 am-11:12 am

1 stop25h 40m

Vancouver Intl

on. 3/25

11:00 pm-10:31 am

1 stop9h 31m

$280

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

ma. 3/2

3:49 pm-2:20 pm

1 stop21h 31m

Toronto Pearson Intl

ma. 3/9

3:40 pm-11:19 pm

2 stops32h 39m

$307

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

on. 3/4

2:45 pm-11:06 pm

1 stop10h 21m

Vancouver Intl

lø. 3/7

8:30 am-8:45 pm

1 stop10h 15m

$309

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

ti. 5/5

8:03 pm-11:44 am

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

lø. 5/9

12:30 pm-10:19 pm

1 stop10h 49m

$329

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

ti. 5/5

8:03 pm-11:44 am

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

lø. 5/9

1:03 pm-11:56 pm

2 stops11h 53m

$339

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

on. 5/13

2:20 pm-12:24 am

1 stop8h 04m

Halifax Intl

lø. 5/16

6:00 am-12:06 pm

1 stop8h 06m

$356

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

ti. 7/7

12:10 pm-8:22 pm

1 stop10h 12m

Vancouver Intl

on. 7/15

10:35 pm-12:54 pm

2 stops12h 19m

$357

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

on. 5/13

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

lø. 5/16

7:05 am-12:06 pm

1 stop7h 01m

$361

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

lø. 7/11

5:30 pm-8:50 pm

1 stop29h 20m

Vancouver Intl

lø. 7/18

5:00 am-4:49 pm

2 stops9h 49m

$367

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

sø. 3/1

7:41 am-5:07 pm

1 stop8h 26m

Ottawa

sø. 3/8

6:00 am-10:44 am

1 stop5h 44m

$382

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 May instead. Flights to Canada in May, while not as cheap as those in June, still average around $432.

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 $1,088.

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

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around $532 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as $221 on momondo.

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 $645.
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
10,684 reviews
Search Air Canada flights
DeltaPriceFrom $169Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $402Free CancellationRating
8.0
11,834 reviews
Search Alaska Airlines flights
WestJetPriceFrom $474Free CancellationRating
7.2
3,255 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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