Which airlines fly to St. Louis?

Based on our data, the most popular airlines that fly to St. Louis from Canada are Air Canada, United Airlines, WestJet and Delta. There may also be other airline options depending on where in Canada you’re flying from.

Delta Flights to St. Louis

There are 22 Delta flights to St. Louis in a normal week. The most common departure point is New York LaGuardia and the best Delta ticket price seen on momondo is C$ 215 (last 72 hours, from Vancouver Intl, to St. Louis). Delta has a score of 7.8 from 8,633 user reviews on momondo.

WestJet Flights to St. Louis

WestJet flights to St. Louis can start from as low as C$ 434 (round-trip, from Halifax Intl, found in the last 72 hours). Over 39 flights that WestJet operates to St. Louis in a normal week, prices can vary significantly. The most popular WestJet flight to St. Louis is from Atlanta Hartsfield-Jackson. WestJet has been rated 7.2/10 by momondo users, in 3,451 reviews.

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 Pearson Intl to Lambert-St Louis takes 2h 05m on average. On the other hand, flying from Vancouver Intl to Lambert-St Louis takes 5h 02m 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.

C$ 271 Cheap Flights to St. Louis in 2026/27

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12:10 p.m. - 10:30 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 20m1 stop Houston George Bush Intcntl

5:10 a.m. - 9:51 a.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 41m1 stop Denver Intl

C$ 470United Airlines

Wed, 21 Oct - Thu, 22 Oct

1:19 p.m. - 11:35 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 16m1 stop Dallas/Fort Worth

5:00 a.m. - 12:23 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 23m1 stop Dallas/Fort Worth

C$ 484American Airlines

Fri, 20 Nov - Fri, 27 Nov

2:17 p.m. - 12:40 a.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 23m1 stop Salt Lake City

2:20 p.m. - 11:42 p.m.STL Lambert-St Louis-YVR Vancouver Intl

11h 22m1 stop Salt Lake City

C$ 484Delta

Thu, 19 Nov - Sun, 22 Nov

1:36 p.m. - 8:59 p.m.YVR Vancouver Intl-STL Lambert-St Louis

5h 23m1 stop Denver Intl

6:00 a.m. - 12:45 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 45m1 stop Chicago O'Hare Intl

C$ 484United Airlines

Wed, 4 Nov - Mon, 9 Nov

6:25 a.m. - 3:26 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 01m1 stop Toronto Pearson Intl

4:05 p.m. - 10:23 a.m.STL Lambert-St Louis-YVR Vancouver Intl

20h 18m1 stop Toronto Pearson Intl

C$ 509Air Canada

Wed, 18 Nov - Wed, 25 Nov

6:25 a.m. - 3:26 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 01m1 stop Toronto Pearson Intl

4:05 p.m. - 1:48 a.m.STL Lambert-St Louis-YVR Vancouver Intl

11h 43m1 stop Toronto Pearson Intl

C$ 520Air Canada

Fri, 4 Dec - Mon, 7 Dec

2:32 p.m. - 11:26 p.m.YVR Vancouver Intl-STL Lambert-St Louis

6h 54m1 stop Minneapolis St Paul

12:31 p.m. - 11:57 p.m.STL Lambert-St Louis-YVR Vancouver Intl

13h 26m2 stops Minneapolis St Paul Seattle/Tacoma Intl

C$ 570Delta

Fri, 4 Dec - Mon, 7 Dec

1:15 p.m. - 11:33 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 18m1 stop Dallas/Fort Worth

5:00 a.m. - 12:15 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 15m1 stop Dallas/Fort Worth

C$ 571American Airlines

Fri, 13 Nov - Mon, 16 Nov

12:35 p.m. - 11:59 p.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 24m2 stops Portland Seattle/Tacoma Intl

7:02 a.m. - 12:40 p.m.STL Lambert-St Louis-YVR Vancouver Intl

7h 38m1 stop Seattle/Tacoma Intl

C$ 585Alaska Airlines

Sat, 24 Oct - Fri, 30 Oct

12:35 p.m. - 11:59 p.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 24m2 stops Portland Seattle/Tacoma Intl

6:02 a.m. - 10:55 a.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 53m1 stop Seattle/Tacoma Intl

C$ 585Alaska Airlines

Sat, 24 Oct - Sat, 31 Oct

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12:10 p.m. - 10:30 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 20m1 stop Houston George Bush Intcntl

5:36 p.m. - 10:26 p.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 50m1 stop Chicago O'Hare Intl

C$ 637United Airlines

Tue, 13 Oct - Wed, 14 Oct

12:10 p.m. - 10:30 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 20m1 stop Houston George Bush Intcntl

5:36 p.m. - 10:26 p.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 50m1 stop Chicago O'Hare Intl

C$ 642United Airlines

Tue, 13 Oct - Wed, 14 Oct

7:15 p.m. - 8:20 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

2:40 p.m. - 5:34 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 765Air Canada

Tue, 13 Oct - Sun, 18 Oct

7:15 p.m. - 8:20 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 769Air Canada

Tue, 13 Oct - Sun, 18 Oct

12:33 p.m. - 12:44 a.m.YYC Calgary-STL Lambert-St Louis

11h 11m1 stop Salt Lake City

2:22 p.m. - 11:10 p.m.STL Lambert-St Louis-YYC Calgary

9h 48m1 stop Salt Lake City

C$ 870Delta

Thu, 8 Oct - Thu, 15 Oct

3:14 p.m. - 4:53 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

26h 39m1 stop Chicago O'Hare Intl

7:29 a.m. - 12:34 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 05m1 stop Chicago O'Hare Intl

C$ 896Multiple Airlines

Fri, 9 Oct - Fri, 16 Oct

12:20 a.m. - 10:51 a.m.YYC Calgary-STL Lambert-St Louis

9h 31m1 stop Atlanta Hartsfield-Jackson

5:35 p.m. - 12:44 a.m.STL Lambert-St Louis-YYC Calgary

32h 09m2 stops Minneapolis St Paul Vancouver Intl

C$ 1,044WestJet

Wed, 7 Oct - Thu, 15 Oct

6:00 a.m. - 6:15 p.m.YYC Calgary-STL Lambert-St Louis

11h 15m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

5:35 p.m. - 5:00 p.m.STL Lambert-St Louis-YYC Calgary

24h 25m2 stops Minneapolis St Paul Vancouver Intl

C$ 1,051WestJet

Thu, 8 Oct - Thu, 15 Oct

12:25 p.m. - 11:21 p.m.YOW Ottawa-STL Lambert-St Louis

11h 56m2 stops Winnipeg Minneapolis St Paul

6:47 a.m. - 5:35 p.m.STL Lambert-St Louis-YOW Ottawa

9h 48m2 stops Detroit Metropolitan Wayne County Toronto Pearson Intl

C$ 1,159Delta

Mon, 12 Oct - Thu, 15 Oct

1:47 p.m. - 11:59 p.m.YLW Kelowna-STL Lambert-St Louis

8h 12m1 stop Seattle/Tacoma Intl

6:21 a.m. - 2:35 p.m.STL Lambert-St Louis-YLW Kelowna

10h 14m2 stops Minneapolis St Paul Vancouver Intl

C$ 1,738Multiple Airlines

Thu, 8 Oct - Sun, 11 Oct

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2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 785Air Canada

Sun, 22 Nov - Wed, 2 Dec

2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 785Air Canada

Fri, 13 Nov - Wed, 18 Nov

2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 785Air Canada

Thu, 5 Nov - Tue, 10 Nov

2:10 p.m. - 3:23 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 786Air Canada

Sat, 31 Oct - Sat, 7 Nov

2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 792Air Canada

Thu, 5 Nov - Sat, 7 Nov

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

4:05 p.m. - 6:59 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 792Air Canada

Sat, 24 Oct - Sat, 31 Oct

2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 792Air Canada

Wed, 11 Nov - Sun, 15 Nov

2:10 p.m. - 3:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 792Air Canada

Tue, 24 Nov - Tue, 8 Dec

2:10 p.m. - 3:23 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 1,232United Airlines

Sat, 31 Oct - Sat, 7 Nov

2:10 p.m. - 3:23 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mdirect

4:05 p.m. - 7:05 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mdirect

C$ 1,996United Airlines

Sun, 1 Nov - Sun, 8 Nov

Fly from

Route

Depart

Return

Price

Cheapest round-trip

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 21/10

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

1 stop8h 20m

Lambert-St Louis

Thu 22/10

5:10 a.m.-9:51 a.m.

1 stop6h 41m

C$ 470

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 20/11

1:19 p.m.-11:35 p.m.

1 stop8h 16m

Lambert-St Louis

Fri 27/11

5:00 a.m.-12:23 p.m.

1 stop9h 23m

C$ 484

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 19/11

2:17 p.m.-12:40 a.m.

1 stop8h 23m

Lambert-St Louis

Sun 22/11

2:20 p.m.-11:42 p.m.

1 stop11h 22m

C$ 484

Quickest round-trip

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 4/11

1:36 p.m.-8:59 p.m.

1 stop5h 23m

Lambert-St Louis

Mon 9/11

6:00 a.m.-12:45 p.m.

1 stop8h 45m

C$ 484

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 18/11

6:25 a.m.-3:26 p.m.

1 stop7h 01m

Lambert-St Louis

Wed 25/11

4:05 p.m.-10:23 a.m.

1 stop20h 18m

C$ 508

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 4/12

6:25 a.m.-3:26 p.m.

1 stop7h 01m

Lambert-St Louis

Mon 7/12

4:05 p.m.-1:48 a.m.

1 stop11h 43m

C$ 520

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 4/12

2:32 p.m.-11:26 p.m.

1 stop6h 54m

Lambert-St Louis

Mon 7/12

12:31 p.m.-11:57 p.m.

2 stops13h 26m

C$ 570

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 13/11

1:15 p.m.-11:33 p.m.

1 stop8h 18m

Lambert-St Louis

Mon 16/11

5:00 a.m.-12:15 p.m.

1 stop9h 15m

C$ 571

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Sat 24/10

12:35 p.m.-11:59 p.m.

2 stops9h 24m

Lambert-St Louis

Fri 30/10

7:02 a.m.-12:40 p.m.

1 stop7h 38m

C$ 585

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Sat 24/10

12:35 p.m.-11:59 p.m.

2 stops9h 24m

Lambert-St Louis

Sat 31/10

6:02 a.m.-10:55 a.m.

1 stop6h 53m

C$ 585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

St. Louis flights insights and trends

Explore insights for your St. Louis flight to craft the best travel plan

Prices

Other information

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

The month of January is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around C$ 563. If you don’t want to visit St. Louis in January, then you should wait until February to fly from Canada, when ticket prices are also cheap, with an average price of C$ 587.

What is the absolute cheapest flight to St. Louis?

See prices from:

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

Our data shows that Saturday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 603. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 866.

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$ 681. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 1,029 on average. Flights to St. Louis from Canada in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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$ 742 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$ 511 on momondo.

Cheapest flights to Lambert-St Louis

Find the cheapest flights to Lambert-St Louis from your nearest city or airport

Find Flights from Toronto Pearson Intl Airport to St. Louis

CHEAPEST MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORT	January	20% cheaper	Flying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 601 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORT	April	53% more expensive	It costs about C$ 1,141 for flights to St. Louis from Toronto Pearson Intl Airport in April
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORT	October	200% more users visited	More momondo users searched in flights to St. Louis from Toronto Pearson Intl Airport in October than any other month

Cheap St. Louis flight deals and tips

Summary info about St. Louis flight prices, duration and airlines

Best One-Way Price	C$ 271
Best Round-Trip Price	C$ 459
Fastest flight time	7h 01m
Popular in	December

The best one-way flight price to St. Louis from Canada in the last 5 days is C$ 271 (Vancouver Intl to Lambert-St Louis).

Search Deals

The best round-trip flight price to St. Louis from Canada in the last 5 days is C$ 459 (Vancouver Intl to Lambert-St Louis).

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The fastest flight to St. Louis from Canada takes 7h 01m (Vancouver Intl to Lambert-St Louis).

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December has the highest demand for flights to St. Louis, with a 21% price increase on average.

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Frequently asked questions about flying to St. Louis

Is there an alternative airport near St. Louis?

Belleville Airport, Marion Williamson County Airport or Springfield Capital Airport can be an alternative airport used for travel to St. Louis.

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

Prices for flights to Lambert-St Louis Airport were last updated today.

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

As of October 2026, there are 6 operators available to choose from for flights to Lambert-St Louis Airport.

How old do you have to be to fly 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 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.

St. Charles

Why use momondo?

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

It is quick and easy to find flights to St. Louis 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 St. Louis that suits you.

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

Yes. momondo enables you to select and highlight flights to St. Louis with this policy.

How can momondo help me find flights 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 to St. Louis.

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

Of course. momondo tracks the price of St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to St. Louis

Toronto to Lambert-St Louis Flightsfrom C$ 447

Montreal to Lambert-St Louis Flightsfrom C$ 585

Vancouver to Lambert-St Louis Flightsfrom C$ 330

Ottawa to Lambert-St Louis Flightsfrom C$ 541

Calgary to Lambert-St Louis Flightsfrom C$ 447

Halifax Intl to Lambert-St Louis Flightsfrom C$ 439

Saskatoon to Lambert-St Louis Flightsfrom C$ 1,307

Victoria Intl to Lambert-St Louis Flightsfrom C$ 845

Charlottetown Alexander B. Campbell to Lambert-St Louis Flightsfrom C$ 932

Edmonton to Lambert-St Louis Flightsfrom C$ 541

Québec City to Lambert-St Louis Flightsfrom C$ 805

C$ 271 Cheap flights to St. Louis

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 18/11. 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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What is the cheapest month to fly to St. Louis?

What is the absolute cheapest flight to St. Louis?

See prices from:

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?

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

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

Cheapest flights to Lambert-St Louis

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Cheap St. Louis flight deals and tips

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Popular Flights to St. Louis

Popular routes according to searches in the past day on momondo

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Popular flights according to clicks in the last 7 days on momondo

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