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

American Airlines, United Airlines, and Delta 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 52% 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 week?

As of September 2025, 42 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 many flights depart from Canada to St. Louis on average per day?

As of September 2025, there are 6 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 6:00p.m., with 66% of flights taking off in the evening.

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 03m on average. On the other hand, flying from Montreal to St. Louis takes 2h 47m 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 September 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$ 181 Cheap Flights from Canada to St. Louis in 2025/26

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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

1:30 p.m. - 1:57 p.m.YVR-STL

22h 27m2 stops

2:42 p.m. - 12:15 a.m.STL-YVR

11h 33m1 stop

C$ 369Multiple Airlines

Find Deal

jue., 13 nov. - lun., 17 nov.

5:30 p.m. - 1:57 p.m.YVR-STL

18h 27m1 stop

2:42 p.m. - 12:15 a.m.STL-YVR

11h 33m1 stop

C$ 392Multiple Airlines

Find Deal

jue., 13 nov. - lun., 17 nov.

3:17 p.m. - 10:49 a.m.YEG-STL

18h 32m2 stops

5:00 a.m. - 4:25 p.m.STL-YEG

12h 25m1 stop

C$ 417United Airlines

Find Deal

mié., 15 oct. - mié., 22 oct.

7:36 p.m. - 9:46 a.m.YVR-STL

12h 10m2 stops

12:49 p.m. - 11:59 p.m.STL-YVR

13h 10m2 stops

C$ 472Delta

Find Deal

sáb., 15 nov. - mar., 18 nov.

7:25 a.m. - 11:23 p.m.YVR-STL

13h 58m2 stops

7:47 p.m. - 10:49 a.m.STL-YVR

17h 02m2 stops

C$ 495Delta

Find Deal

jue., 13 nov. - lun., 17 nov.

10:30 a.m. - 2:25 p.m.YVR-STL

25h 55m1 stop

5:24 p.m. - 6:15 p.m.STL-YVR

26h 51m1 stop

C$ 513United Airlines

Find Deal

vie., 14 nov. - lun., 17 nov.

2:15 p.m. - 3:18 p.m.YYZ-STL

2h 03mdirect

4:05 p.m. - 7:06 p.m.STL-YYZ

2h 01mdirect

C$ 529Air Canada

Find Deal

sáb., 25 oct. - dom., 2 nov.

3:00 p.m. - 7:57 p.m.YYZ-STL

5h 57m1 stop

4:05 p.m. - 7:00 p.m.STL-YYZ

1h 55mdirect

C$ 557Air Canada

Find Deal

sáb., 4 oct. - dom., 12 oct.

6:40 a.m. - 11:14 p.m.YYC-STL

15h 34m1 stop

12:15 p.m. - 8:42 p.m.STL-YYC

9h 27m1 stop

C$ 630WestJet

Find Deal

vie., 26 sep. - mar., 30 sep.

12:10 p.m. - 11:10 p.m.YVR-STL

9h 00m1 stop

6:30 a.m. - 3:53 p.m.STL-YVR

11h 23m2 stops

C$ 667WestJet

Find Deal

mar., 3 mar. - mié., 4 mar.

Air Canada flights from Canada to St. Louis

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

Air Canada

25 Oct

YYZ2:15 p.m.Toronto Pearson Intl

2h 03m

STL3:18 p.m.Lambert-St Louis

2 Nov

STL4:05 p.m.Lambert-St Louis

2h 01m

YYZ7:06 p.m.Toronto Pearson Intl

C$ 529

Find similar

Air Canada

4 Oct

YYZ3:00 p.m.Toronto Pearson Intl

5h 57m

1 stop

STL7:57 p.m.Lambert-St Louis

12 Oct

STL4:05 p.m.Lambert-St Louis

1h 55m

YYZ7:00 p.m.Toronto Pearson Intl

C$ 557

Find similar

Air Canada

25 Oct

YYZ2:15 p.m.Toronto Pearson Intl

2h 03m

STL3:18 p.m.Lambert-St Louis

2 Nov

STL4:05 p.m.Lambert-St Louis

2h 01m

YYZ7:06 p.m.Toronto Pearson Intl

C$ 558

Find similar

Alaska Airlines flights from Canada to St. Louis

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

Alaska Airlines

3 Mar

YVR6:00 a.m.Vancouver Intl

15h 56m

1 stop

STL11:56 p.m.Lambert-St Louis

4 Mar

STL7:00 a.m.Lambert-St Louis

7h 30m

1 stop

YVR12:30 p.m.Vancouver Intl

C$ 554

Find similar

Alaska Airlines

3 Mar

YVR6:00 a.m.Vancouver Intl

5h 52m

1 stop

STL1:52 p.m.Lambert-St Louis

4 Mar

STL7:00 a.m.Lambert-St Louis

7h 30m

1 stop

YVR12:30 p.m.Vancouver Intl

C$ 555

Find similar

Alaska Airlines

3 Mar

YYJ6:15 a.m.Victoria Intl

15h 41m

1 stop

STL11:56 p.m.Lambert-St Louis

4 Mar

STL2:55 p.m.Lambert-St Louis

27h 43m

1 stop

YYJ4:38 p.m.Victoria Intl

C$ 714

Find similar

Fly from

Fly to

Route

Depart

Return

Price

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

jue. 13/11

1:30 p.m.-1:57 p.m.

2 stops22h 27m

Lambert-St Louis

lun. 17/11

2:42 p.m.-12:15 a.m.

1 stop11h 33m

C$ 369

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

jue. 13/11

5:30 p.m.-1:57 p.m.

1 stop18h 27m

Lambert-St Louis

lun. 17/11

2:42 p.m.-12:15 a.m.

1 stop11h 33m

C$ 392

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

mié. 15/10

3:17 p.m.-10:49 a.m.

2 stops18h 32m

Lambert-St Louis

mié. 22/10

5:00 a.m.-4:25 p.m.

1 stop12h 25m

C$ 417

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

sáb. 15/11

7:36 p.m.-9:46 a.m.

2 stops12h 10m

Lambert-St Louis

mar. 18/11

12:49 p.m.-11:59 p.m.

2 stops13h 10m

C$ 472

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

jue. 13/11

7:25 a.m.-11:23 p.m.

2 stops13h 58m

Lambert-St Louis

lun. 17/11

7:47 p.m.-10:49 a.m.

2 stops17h 02m

C$ 495

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

vie. 14/11

10:30 a.m.-2:25 p.m.

1 stop25h 55m

Lambert-St Louis

lun. 17/11

5:24 p.m.-6:15 p.m.

1 stop26h 51m

C$ 513

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

sáb. 25/10

2:15 p.m.-3:18 p.m.

Nonstop2h 03m

Lambert-St Louis

dom. 2/11

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

C$ 529

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

sáb. 4/10

3:00 p.m.-7:57 p.m.

1 stop5h 57m

Lambert-St Louis

dom. 12/10

4:05 p.m.-7:00 p.m.

Nonstop1h 55m

C$ 557

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

vie. 26/9

6:40 a.m.-11:14 p.m.

1 stop15h 34m

Lambert-St Louis

mar. 30/9

12:15 p.m.-8:42 p.m.

1 stop9h 27m

C$ 630

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

mar. 3/3

12:10 p.m.-11:10 p.m.

1 stop9h 00m

Lambert-St Louis

mié. 4/3

6:30 a.m.-3:53 p.m.

2 stops11h 23m

C$ 667

Flights are sorted by cheapest round-trip flights first.

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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

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$ 514. 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$ 548.

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$ 588. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 765.

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$ 541. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 691 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$ 682 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$ 497 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 72% 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$ 496
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 C$ 496. The best round-trip flight deal from Canada to St. Louis found on momondo in the last 72 hours is C$ 540.

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 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 September 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 77.39% of the total bookings. Other popular models include Airbus A220-300 with 8.54%, Embraer 175 with 6.03%, and Airbus A319 with 3.02%.

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
WestJet	PriceFrom C$ 255	Free Cancellation	Rating 7.2 3,093 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 321	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 329	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Delta	PriceFrom C$ 366	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
American Airlines	PriceFrom C$ 430	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Chesterfield

Collinsville

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.

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jue. 23/10

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Cheap flights from Canada to St. Louis from C$ 181

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 12/10. 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

Filter for what you want

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

Air Canada flights from Canada to St. Louis

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

Alaska Airlines flights from Canada to St. Louis

Our best Alaska 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$ 514. 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$ 548.

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$ 588. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 765.

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 72% 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?

American Airlines, United Airlines, and Delta 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 September 2025, there are 6 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 6:00p.m., with 66% of flights taking off in the evening.

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

As of September 2025, 42 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?

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