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

As of March 2026, there are 2 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 2:00p.m., with 100% of flights taking off in the afternoon.

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

As of March 2026, 14 flights take off from Canada and land in St. Louis each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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 06m on average. On the other hand, flying from Montreal to St. Louis takes 2h 55m 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.

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 60% 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.

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

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

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 March 2026.

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$ 206 Cheap Flights from Canada to St. Louis in 2026

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Find the cheapest flights from Canada to St. Louis

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

1:59 p.m. - 8:25 a.m.

YVR

STL

16h 26m

1 stop

6:05 p.m. - 1:12 p.m.

STL

YVR

21h 07m

2 stops

C$ 362United Airlines

Mon, 20 Apr - Mon, 27 Apr

12:05 p.m. - 11:13 p.m.

YVR

STL

9h 08m

1 stop

6:20 a.m. - 10:50 a.m.

STL

YVR

6h 30m

1 stop

C$ 384Delta

Mon, 20 Apr - Sat, 25 Apr

2:27 p.m. - 11:59 p.m.

YHZ

STL

11h 32m

1 stop

6:15 a.m. - 1:42 p.m.

STL

YHZ

5h 27m

1 stop

C$ 388American Airlines

Mon, 25 May - Fri, 29 May

6:00 a.m. - 12:06 p.m.

YHZ

STL

8h 06m

1 stop

7:05 a.m. - 3:09 p.m.

STL

YHZ

6h 04m

1 stop

C$ 391Air Canada

Wed, 3 Jun - Sat, 6 Jun

7:00 a.m. - 12:06 p.m.

YOW

STL

6h 06m

1 stop

1:05 p.m. - 8:51 p.m.

STL

YOW

6h 46m

1 stop

C$ 410Air Canada

Tue, 5 May - Wed, 6 May

12:30 p.m. - 10:19 p.m.

YUL

STL

10h 49m

1 stop

8:03 p.m. - 11:44 a.m.

STL

YUL

14h 41m

1 stop

C$ 432American Airlines

Tue, 5 May - Tue, 12 May

7:10 a.m. - 11:19 p.m.

YYZ

STL

17h 09m

1 stop

8:23 p.m. - 2:05 p.m.

STL

YYZ

16h 42m

2 stops

C$ 599Multiple Airlines

Mon, 20 Apr - Wed, 22 Apr

8:00 a.m. - 6:50 a.m.

YUL

STL

23h 50m

2 stops

4:59 p.m. - 12:30 a.m.

STL

YUL

30h 31m

1 stop

C$ 617Multiple Airlines

Sun, 19 Apr - Wed, 22 Apr

6:05 a.m. - 11:59 p.m.

YYJ

STL

15h 54m

1 stop

4:46 p.m. - 11:55 p.m.

STL

YYJ

9h 09m

1 stop

C$ 830Alaska Airlines

Tue, 5 May - Wed, 6 May

6:05 a.m. - 11:59 p.m.

YYJ

STL

15h 54m

1 stop

4:46 p.m. - 11:55 p.m.

STL

YYJ

9h 09m

1 stop

C$ 831Alaska Airlines

Tue, 5 May - Wed, 6 May

Delta flights from Canada to St. Louis

Our best Delta deals on Canada to St. Louis flight tickets

Delta

20 Apr

YVR12:05 p.m.Vancouver Intl

9h 08m

1 stop

STL11:13 p.m.Lambert-St Louis

25 Apr

STL6:20 a.m.Lambert-St Louis

6h 30m

1 stop

YVR10:50 a.m.Vancouver Intl

C$ 384

Delta

23 Apr

YVR6:35 a.m.Vancouver Intl

8h 51m

1 stop

STL5:26 p.m.Lambert-St Louis

28 Apr

STL6:20 a.m.Lambert-St Louis

6h 30m

1 stop

YVR10:50 a.m.Vancouver Intl

C$ 388

Delta

20 Apr

YVR1:09 p.m.Vancouver Intl

8h 04m

2 stops

STL11:13 p.m.Lambert-St Louis

25 Apr

STL5:00 p.m.Lambert-St Louis

7h 31m

1 stop

YVR10:31 p.m.Vancouver Intl

C$ 399

Air Canada flights from Canada to St. Louis

Our best Air Canada deals on Canada to St. Louis flight tickets

Air Canada

3 Jun

YHZ6:00 a.m.Halifax Intl

8h 06m

1 stop

STL12:06 p.m.Lambert-St Louis

6 Jun

STL7:05 a.m.Lambert-St Louis

6h 04m

1 stop

YHZ3:09 p.m.Halifax Intl

C$ 391

Air Canada

5 May

YOW7:00 a.m.Ottawa

6h 06m

1 stop

STL12:06 p.m.Lambert-St Louis

6 May

STL1:05 p.m.Lambert-St Louis

6h 46m

1 stop

YOW8:51 p.m.Ottawa

C$ 410

Air Canada

5 Jun

YOW7:00 a.m.Ottawa

6h 06m

1 stop

STL12:06 p.m.Lambert-St Louis

7 Jun

STL7:05 a.m.Lambert-St Louis

5h 00m

1 stop

YOW1:05 p.m.Ottawa

C$ 418

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 20/4

1:59 p.m.-8:25 a.m.

1 stop16h 26m

Lambert-St Louis

Mon 27/4

6:05 p.m.-1:12 p.m.

2 stops21h 07m

C$ 362

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 20/4

12:05 p.m.-11:13 p.m.

1 stop9h 08m

Lambert-St Louis

Sat 25/4

6:20 a.m.-10:50 a.m.

1 stop6h 30m

C$ 384

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 25/5

2:27 p.m.-11:59 p.m.

1 stop11h 32m

Lambert-St Louis

Fri 29/5

6:15 a.m.-1:42 p.m.

1 stop5h 27m

C$ 388

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 3/6

6:00 a.m.-12:06 p.m.

1 stop8h 06m

Lambert-St Louis

Sat 6/6

7:05 a.m.-3:09 p.m.

1 stop6h 04m

C$ 391

Quickest round-trip

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 5/5

7:00 a.m.-12:06 p.m.

1 stop6h 06m

Lambert-St Louis

Wed 6/5

1:05 p.m.-8:51 p.m.

1 stop6h 46m

C$ 410

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

12:30 p.m.-10:19 p.m.

1 stop10h 49m

Lambert-St Louis

Tue 12/5

8:03 p.m.-11:44 a.m.

1 stop14h 41m

C$ 432

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 20/4

7:10 a.m.-11:19 p.m.

1 stop17h 09m

Lambert-St Louis

Wed 22/4

8:23 p.m.-2:05 p.m.

2 stops16h 42m

C$ 599

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

8:00 a.m.-6:50 a.m.

2 stops23h 50m

Lambert-St Louis

Wed 22/4

4:59 p.m.-12:30 a.m.

1 stop30h 31m

C$ 617

VictoriaSt. Louis

YYJ - STL

YYJSTL

Victoria Intl

Tue 5/5

6:05 a.m.-11:59 p.m.

1 stop15h 54m

Lambert-St Louis

Wed 6/5

4:46 p.m.-11:55 p.m.

1 stop9h 09m

C$ 830

VictoriaSt. Louis

YYJ - STL

YYJSTL

Victoria Intl

Tue 5/5

6:05 a.m.-11:59 p.m.

1 stop15h 54m

Lambert-St Louis

Wed 6/5

4:46 p.m.-11:55 p.m.

1 stop9h 09m

C$ 831

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$ 492. If you don’t want to visit St. Louis in June, then you should wait until January to fly from Canada, when ticket prices are also cheap, with an average price of C$ 542.

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$ 551. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 807.

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$ 539. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 607 on average. Flights to St. Louis from Canada in the afternoon 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 Montreal Pierre Elliott Trudeau 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$ 630 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$ 488 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 29% 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$ 492
Fastest flight time	2h 06m
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$ 492. The best round-trip flight deal from Canada to St. Louis found on momondo in the last 72 hours is C$ 973.

The fastest flight from Canada to St. Louis takes 2h 06m

Direct flights go from Canada to St. Louis every day.

There is 1 airport in St. Louis. From Canada there are direct flights to 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 March 2026.
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 Embraer 175, making up 67.10% of the total bookings. Other popular models include Airbus A220-300 with 14.84%, Canadair (Bombardier) Regional Jet 900 with 7.74%, and Airbus A319 with 3.87%.

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$ 211	Free Cancellation	Rating 7.1 10,830 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 273	Free Cancellation	Rating 7.1 11,487 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 330	Free Cancellation	Rating 7.4 9,455 reviews	Search United Airlines flights
Delta	PriceFrom C$ 471	Free Cancellation	Rating 7.9 8,314 reviews	Search Delta flights
WestJet	PriceFrom C$ 554	Free Cancellation	Rating 7.2 3,300 reviews	Search WestJet flights

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$ 206

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 21/6. 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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Filter for what you want

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Delta flights from Canada to St. Louis

Our best Delta deals on Canada to St. Louis flight tickets

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Our best Air Canada deals on Canada to St. Louis flight tickets

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See travel insights to St. Louis from

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

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

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

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?

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?

Can stopping save me money on Canada to St. Louis flights?

What is the cheapest airline that flies 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?

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

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

Best airlines flying from Canada to St. Louis

Compare and see reviews for airlines that fly from Canada to St. Louis with momondo

Why use momondo?

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

Fly your favourite airline to St. Louis

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