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Cheap flights from Canada to St. Louis from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Canada to St. Louis departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Canada to St. Louis

Recent round-trip flight deals from Canada to St. Louis

Multiple Airlines Logo
1:30 pm - 1:57 pmYVR-STL
22h 27m2 stops
Multiple Airlines Logo
2:42 pm - 12:15 amSTL-YVR
11h 33m1 stop
$267Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
5:30 pm - 1:57 pmYVR-STL
18h 27m1 stop
Multiple Airlines Logo
2:42 pm - 12:15 amSTL-YVR
11h 33m1 stop
$284Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
1:28 pm - 8:09 amYVR-STL
16h 41m1 stop
American Airlines Logo
8:04 pm - 12:30 pmSTL-YVR
18h 26m1 stop
$300American Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
United Airlines Logo
3:17 pm - 10:49 amYEG-STL
18h 32m2 stops
United Airlines Logo
5:00 am - 4:25 pmSTL-YEG
12h 25m1 stop
$302United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
6:45 am - 8:53 pmYYC-STL
13h 08m1 stop
American Airlines Logo
8:04 pm - 12:34 pmSTL-YYC
17h 30m1 stop
$332American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
7:36 pm - 9:46 amYVR-STL
12h 10m2 stops
Delta Logo
12:49 pm - 11:59 pmSTL-YVR
13h 10m2 stops
$342Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18
Delta Logo
7:25 am - 11:23 pmYVR-STL
13h 58m2 stops
Delta Logo
7:47 pm - 10:49 amSTL-YVR
17h 02m2 stops
$358Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
United Airlines Logo
10:30 am - 2:25 pmYVR-STL
25h 55m1 stop
United Airlines Logo
5:24 pm - 6:15 pmSTL-YVR
26h 51m1 stop
$371United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Air Canada Logo
2:15 pm - 3:18 pmYYZ-STL
2h 03mnonstop
Air Canada Logo
4:05 pm - 7:06 pmSTL-YYZ
2h 01mnonstop
$383Air Canada
Find Deal
Sat, Oct 25 - Sun, Nov 2
Air Canada Logo
3:00 pm - 7:57 pmYYZ-STL
5h 57m1 stop
Air Canada Logo
4:05 pm - 7:00 pmSTL-YYZ
1h 55mnonstop
$403Air Canada
Find Deal
Sat, Oct 4 - Sun, Oct 12

Air Canada flights from Canada to St. Louis

Our best Air Canada deals on Canada to St. Louis flight tickets
Air Canada
Oct 25
YYZ2:15 pmToronto Pearson Intl
2h 03m
STL3:18 pmLambert-St Louis
Nov 2
STL4:05 pmLambert-St Louis
2h 01m
YYZ7:06 pmToronto Pearson Intl
$383
Find similar
Air Canada
Oct 4
YYZ3:00 pmToronto Pearson Intl
5h 57m
1 stop
STL7:57 pmLambert-St Louis
Oct 12
STL4:05 pmLambert-St Louis
1h 55m
YYZ7:00 pmToronto Pearson Intl
$403
Find similar
Air Canada
Oct 25
YYZ2:15 pmToronto Pearson Intl
2h 03m
STL3:18 pmLambert-St Louis
Nov 2
STL4:05 pmLambert-St Louis
2h 01m
YYZ7:06 pmToronto Pearson Intl
$404
Find similar

Alaska Airlines flights from Canada to St. Louis

Our best Alaska Airlines deals on Canada to St. Louis flight tickets
Alaska Airlines
Mar 3
YVR6:00 amVancouver Intl
15h 56m
1 stop
STL11:56 pmLambert-St Louis
Mar 4
STL7:00 amLambert-St Louis
7h 30m
1 stop
YVR12:30 pmVancouver Intl
$401
Find similar
Alaska Airlines
Mar 3
YVR6:00 amVancouver Intl
5h 52m
1 stop
STL1:52 pmLambert-St Louis
Mar 4
STL7:00 amLambert-St Louis
7h 30m
1 stop
YVR12:30 pmVancouver Intl
$402
Find similar
Alaska Airlines
Mar 3
YYJ6:15 amVictoria Intl
15h 41m
1 stop
STL11:56 pmLambert-St Louis
Mar 4
STL2:55 pmLambert-St Louis
27h 43m
1 stop
YYJ4:38 pmVictoria Intl
$517
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Canada to St. Louis 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 September 16, 2025.
Use the filters below to find and compare flights from Canada to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 11/13

1:30 pm-1:57 pm

2 stops22h 27m

Lambert-St Louis

Mon 11/17

2:42 pm-12:15 am

1 stop11h 33m

$267

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 11/13

5:30 pm-1:57 pm

1 stop18h 27m

Lambert-St Louis

Mon 11/17

2:42 pm-12:15 am

1 stop11h 33m

$284

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 10/16

1:28 pm-8:09 am

1 stop16h 41m

Lambert-St Louis

Wed 10/22

8:04 pm-12:30 pm

1 stop18h 26m

$300

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 10/15

3:17 pm-10:49 am

2 stops18h 32m

Lambert-St Louis

Wed 10/22

5:00 am-4:25 pm

1 stop12h 25m

$302

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 10/14

6:45 am-8:53 pm

1 stop13h 08m

Lambert-St Louis

Tue 10/21

8:04 pm-12:34 pm

1 stop17h 30m

$332

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Sat 11/15

7:36 pm-9:46 am

2 stops12h 10m

Lambert-St Louis

Tue 11/18

12:49 pm-11:59 pm

2 stops13h 10m

$342

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Thu 11/13

7:25 am-11:23 pm

2 stops13h 58m

Lambert-St Louis

Mon 11/17

7:47 pm-10:49 am

2 stops17h 02m

$358

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 11/14

10:30 am-2:25 pm

1 stop25h 55m

Lambert-St Louis

Mon 11/17

5:24 pm-6:15 pm

1 stop26h 51m

$371

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 10/25

2:15 pm-3:18 pm

Nonstop2h 03m

Lambert-St Louis

Sun 11/2

4:05 pm-7:06 pm

Nonstop2h 01m

$383

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 10/4

3:00 pm-7:57 pm

1 stop5h 57m

Lambert-St Louis

Sun 10/12

4:05 pm-7:00 pm

Nonstop1h 55m

$403

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 St. Louis from

How to get the cheapest flight ticket from Canada to St. Louis

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 St. Louis?

In general, June is the cheapest month to fly from Canada to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $372. The month of August is another great option to travel to St. Louis, with average flight prices from Canada averaging around $397.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $405. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $541. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Canada in the morning is the least expensive time of day to depart. momondo users have found prices as low as $326 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $480 per ticket.

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

Fly from Toronto Pearson Intl to Lambert-St Louis for the best Canada - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Canada for as low as $360 on momondo.

What cabin class options are available on Canada to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on Canada to Lambert-St Louis 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 Canada to St. Louis flights?

You could potentially save up to 3% on your flight if you consider stops on a Canada to St. Louis flight.

Cheap Canada to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Canada to St. Louis

Best Price Found

$283

Fastest flight time

2h 03m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Canada in the past 72 hours is $283. The best round-trip flight deal from Canada to St. Louis found on momondo in the last 72 hours is $405.
The fastest flight from Canada to St. Louis takes 2h 03m
Direct flights go from Canada to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • When did momondo last update prices for flights from Canada to Lambert-St Louis Airport?

    Prices for flights from Canada to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Canada to Lambert-St Louis Airport?

  • How old do you have to be to fly from Canada to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Canada to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Canada to St. Louis?

Best airlines flying from Canada to St. Louis

Compare and see reviews for airlines that fly from Canada to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $295Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $309Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $324Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $452Free CancellationRating
7.9
7,957 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Canada to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Canada to St. Louis for you.

Can I find flights from Canada to St. Louis with flexible booking policies on momondo?

Flights from Canada to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Canada to St. Louis?

Once all potential Canada to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Canada to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Canada and alert you when they change.

An easier way to manage your St. Louis 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.
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