How many flights depart from Canada to St. Louis on average per week?

As of October 2025, 11 flights take off from Canada and land in St. Louis each week. The most common flight departure day for this route is Wed, with 27% of weekly flights taking off on this day.

What is the cheapest airline that flies from Canada to Lambert-St Louis?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Canada to Lambert-St Louis

Which airlines fly to St. Louis?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to St. Louis from Canada according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Canada to St. Louis on average per day?

As of October 2025, there are 1 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 2:00p.m., with 81% of flights taking off in the afternoon.

How long does it take to fly to St. Louis?

Flight times vary depending on what airport in Canada you fly out of and what airport in St. Louis you fly into. For example, flying from Toronto to St. Louis takes 2h 29m on average. On the other hand, flying from Montreal to St. Louis takes 6h 12m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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 are updated daily.

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

The number of operators available for flights from Canada to Lambert-St Louis Airport is 5 as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 166 Cheap Flights from Canada to St. Louis in 2025/26

1 adult

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Find the cheapest flights from Canada to St. Louis

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

Enter your travel dates to find the best prices.

9:30 a.m. - 10:33 p.m.YOW-STL

14h 03m1 stop

5:11 p.m. - 5:13 p.m.STL-YOW

23h 02m1 stop

C$ 338Multiple Airlines

Find Deal

Fri, 23 Jan - Sun, 25 Jan

1:31 p.m. - 1:17 p.m.YYC-STL

22h 46m1 stop

8:01 p.m. - 12:51 p.m.STL-YYC

17h 50m1 stop

C$ 348American Airlines

Find Deal

Mon, 22 Dec - Tue, 30 Dec

2:50 p.m. - 7:48 p.m.YHZ-STL

6h 58m1 stop

10:30 a.m. - 11:44 p.m.STL-YHZ

11h 14m2 stops

C$ 391United Airlines

Find Deal

Tue, 7 Apr - Wed, 8 Apr

2:50 p.m. - 9:55 p.m.YHZ-STL

9h 05m1 stop

9:30 a.m. - 11:44 p.m.STL-YHZ

12h 14m2 stops

C$ 392United Airlines

Find Deal

Tue, 7 Apr - Wed, 8 Apr

5:35 a.m. - 3:29 p.m.YHZ-STL

11h 54m2 stops

4:05 p.m. - 12:26 a.m.STL-YHZ

6h 21m1 stop

C$ 401Air Canada

Find Deal

Thu, 27 Nov - Tue, 2 Dec

5:35 a.m. - 3:29 p.m.YHZ-STL

11h 54m2 stops

4:05 p.m. - 12:26 a.m.STL-YHZ

6h 21m1 stop

C$ 402Air Canada

Find Deal

Thu, 27 Nov - Tue, 2 Dec

12:07 p.m. - 11:23 p.m.YVR-STL

9h 16m1 stop

6:30 a.m. - 6:44 p.m.STL-YVR

14h 14m2 stops

C$ 500Delta

Find Deal

Tue, 25 Nov - Tue, 2 Dec

12:07 p.m. - 11:23 p.m.YVR-STL

9h 16m1 stop

2:20 p.m. - 10:44 p.m.STL-YVR

10h 24m1 stop

C$ 532Delta

Find Deal

Wed, 26 Nov - Wed, 3 Dec

10:30 p.m. - 4:07 p.m.YVR-STL

15h 37m2 stops

6:00 a.m. - 3:45 p.m.STL-YVR

11h 45m2 stops

C$ 687WestJet

Find Deal

Tue, 25 Nov - Tue, 2 Dec

9:00 a.m. - 11:10 p.m.YVR-STL

12h 10m2 stops

6:30 a.m. - 6:43 p.m.STL-YVR

14h 13m2 stops

C$ 701WestJet

Find Deal

Tue, 3 Mar - Wed, 4 Mar

American Airlines flights from Canada to St. Louis

Our best American Airlines deals on Canada to St. Louis flight tickets

American Airlines

22 Dec

YYC1:31 p.m.Calgary

22h 46m

1 stop

STL1:17 p.m.Lambert-St Louis

30 Dec

STL8:01 p.m.Lambert-St Louis

17h 50m

1 stop

YYC12:51 p.m.Calgary

C$ 348

Find similar

American Airlines

21 Jan

YYZ11:30 a.m.Toronto Pearson Intl

7h 44m

1 stop

STL6:14 p.m.Lambert-St Louis

24 Jan

STL6:43 p.m.Lambert-St Louis

15h 10m

1 stop

YYZ10:53 a.m.Toronto Pearson Intl

C$ 423

Find similar

American Airlines

9 Dec

YYZ11:36 a.m.Toronto Pearson Intl

9h 48m

1 stop

STL8:24 p.m.Lambert-St Louis

10 Dec

STL5:05 a.m.Lambert-St Louis

9h 58m

1 stop

YYZ4:03 p.m.Toronto Pearson Intl

C$ 427

Find similar

United Airlines flights from Canada to St. Louis

Our best United Airlines deals on Canada to St. Louis flight tickets

United Airlines

7 Apr

YHZ2:50 p.m.Halifax Intl

6h 58m

1 stop

STL7:48 p.m.Lambert-St Louis

8 Apr

STL10:30 a.m.Lambert-St Louis

11h 14m

2 stops

YHZ11:44 p.m.Halifax Intl

C$ 391

Find similar

United Airlines

7 Apr

YHZ2:50 p.m.Halifax Intl

9h 05m

1 stop

STL9:55 p.m.Lambert-St Louis

8 Apr

STL9:30 a.m.Lambert-St Louis

12h 14m

2 stops

YHZ11:44 p.m.Halifax Intl

C$ 392

Find similar

United Airlines

3 Mar

YVR8:30 a.m.Vancouver Intl

9h 56m

1 stop

STL8:26 p.m.Lambert-St Louis

4 Mar

STL8:41 a.m.Lambert-St Louis

7h 17m

1 stop

YVR1:58 p.m.Vancouver Intl

C$ 416

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Fri 23/1

9:30 a.m.-10:33 p.m.

1 stop14h 03m

Lambert-St Louis

Sun 25/1

5:11 p.m.-5:13 p.m.

1 stop23h 02m

C$ 338

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 22/12

1:31 p.m.-1:17 p.m.

1 stop22h 46m

Lambert-St Louis

Tue 30/12

8:01 p.m.-12:51 p.m.

1 stop17h 50m

C$ 348

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 7/4

2:50 p.m.-7:48 p.m.

1 stop6h 58m

Lambert-St Louis

Wed 8/4

10:30 a.m.-11:44 p.m.

2 stops11h 14m

C$ 391

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 7/4

2:50 p.m.-9:55 p.m.

1 stop9h 05m

Lambert-St Louis

Wed 8/4

9:30 a.m.-11:44 p.m.

2 stops12h 14m

C$ 392

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 27/11

5:35 a.m.-3:29 p.m.

2 stops11h 54m

Lambert-St Louis

Tue 2/12

4:05 p.m.-12:26 a.m.

1 stop6h 21m

C$ 401

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 27/11

5:35 a.m.-3:29 p.m.

2 stops11h 54m

Lambert-St Louis

Tue 2/12

4:05 p.m.-12:26 a.m.

1 stop6h 21m

C$ 402

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 25/11

12:07 p.m.-11:23 p.m.

1 stop9h 16m

Lambert-St Louis

Tue 2/12

6:30 a.m.-6:44 p.m.

2 stops14h 14m

C$ 500

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 26/11

12:07 p.m.-11:23 p.m.

1 stop9h 16m

Lambert-St Louis

Wed 3/12

2:20 p.m.-10:44 p.m.

1 stop10h 24m

C$ 532

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 25/11

10:30 p.m.-4:07 p.m.

2 stops15h 37m

Lambert-St Louis

Tue 2/12

6:00 a.m.-3:45 p.m.

2 stops11h 45m

C$ 687

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 3/3

9:00 a.m.-11:10 p.m.

2 stops12h 10m

Lambert-St Louis

Wed 4/3

6:30 a.m.-6:43 p.m.

2 stops14h 13m

C$ 701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

The month of June is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around C$ 519. If you don’t want to visit St. Louis in June, then you should wait until August to fly from Canada, when ticket prices are also cheap, with an average price of C$ 554.

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

Our data shows that Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 582. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 773.

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

The cheapest time of day to fly to St. Louis is in the morning when flights can be purchased for as low as C$ 547. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 692 on average. Flights to St. Louis from Canada at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 683 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 C$ 503 on momondo.

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

There is only 1 cabin class 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 11% 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	C$ 501
Fastest flight time	2h 29m
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 C$ 501. The best round-trip flight deal from Canada to St. Louis found on momondo in the last 72 hours is C$ 592.

The fastest flight from Canada to St. Louis takes 2h 29m

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 are updated daily.
How many operators does momondo search for flights from Canada to Lambert-St Louis Airport?
The number of operators available for flights from Canada to Lambert-St Louis Airport is 5 as of October 2025.
How old do you have to be to fly from Canada to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Canada to St. Louis?
Based on momondo bookings for flights between Canada and St. Louis, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 67.80% of the total bookings. Other popular models include Embraer 175 with 18.64%, Airbus A220-300 with 4.52%, and Airbus A319 with 3.39%.

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
Air Canada	PriceFrom C$ 333	Free Cancellation	Rating 7.1 10,383 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 408	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 435	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights
Delta	PriceFrom C$ 480	Free Cancellation	Rating 7.9 7,999 reviews	Search Delta flights
WestJet	PriceFrom C$ 482	Free Cancellation	Rating 7.2 3,152 reviews	Search WestJet flights

Chesterfield

Litchfield

Why use momondo?

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

Finding the right flight to St. Louis from Canada is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Canada to St. Louis flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Canada to St. Louis.

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

Price alerts on flights to St. Louis from Canada are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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Cheap flights from Canada to St. Louis from C$ 166

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 3/12. 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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Big names, great deals

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Filter for what you want

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Find the cheapest flights from Canada to St. Louis

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

Recent one-way flight deals from Canada to St. Louis

Recent last minute flight deals from Canada to St. Louis

Recent direct flight deals from Canada to St. Louis

American Airlines flights from Canada to St. Louis

Our best American Airlines deals on Canada to St. Louis flight tickets

United Airlines flights from Canada to St. Louis

Our best United Airlines deals on Canada to St. Louis flight tickets

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Use the filters below to find and compare flights from Canada to St. Louis that are best for you.

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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?

The month of June is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around C$ 519. If you don’t want to visit St. Louis in June, then you should wait until August to fly from Canada, when ticket prices are also cheap, with an average price of C$ 554.

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

Our data shows that Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 582. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 773.

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

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?

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

There is only 1 cabin class 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 11% on your flight if you consider stops on a Canada to St. Louis flight.

What is the cheapest airline that flies from Canada to Lambert-St Louis?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Canada to Lambert-St Louis

Which airlines fly to St. Louis?

How many flights depart from Canada to St. Louis on average per day?

As of October 2025, there are 1 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 2:00p.m., with 81% of flights taking off in the afternoon.

How many flights depart from Canada to St. Louis on average per week?

As of October 2025, 11 flights take off from Canada and land in St. Louis each week. The most common flight departure day for this route is Wed, with 27% of weekly flights taking off on this day.

How long does it take to fly to St. Louis?

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

Fastest flight time

Direct flights

Airports in St. Louis

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

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?

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

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

Travelling to a place near St. Louis?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri