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 33 Delta flights to St. Louis in a normal week. The most common departure point is Atlanta Hartsfield-Jackson 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 8,653 user reviews on momondo.

WestJet Flights to St. Louis

WestJet flights to St. Louis can start from as low as C$ 435 (round-trip, from Halifax Intl, found in the last 72 hours). Over 42 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 3,449 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 6h 27m 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$ 275 Cheap Flights to St. Louis in 2026/27

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1:15 p.m. - 10:33 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 18m1 stop Dallas/Fort Worth

5:00 a.m. - 1:15 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 15m1 stop Dallas/Fort Worth

C$ 485American Airlines

Mon, 9 Nov - Mon, 16 Nov

2:00 p.m. - 9:15 p.m.YVR Vancouver Intl-STL Lambert-St Louis

6h 15m1 stop San Francisco

6:00 a.m. - 1:45 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 45m1 stop Chicago O'Hare Intl

C$ 485United Airlines

Tue, 24 Nov - Wed, 25 Nov

2:50 p.m. - 7:55 a.m.YVR Vancouver Intl-STL Lambert-St Louis

16h 05m1 stop Chicago O'Hare Intl

4:39 p.m. - 2:43 p.m.STL Lambert-St Louis-YVR Vancouver Intl

23h 04m2 stops Denver Intl San Francisco

C$ 485United Airlines

Thu, 5 Nov - Mon, 16 Nov

6:25 a.m. - 2:26 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 01m1 stop Toronto Pearson Intl

4:05 p.m. - 2:48 a.m.STL Lambert-St Louis-YVR Vancouver Intl

11h 43m1 stop Toronto Pearson Intl

C$ 488Air Canada

Wed, 25 Nov - Wed, 2 Dec

10:25 a.m. - 3:26 p.m.YHZ Halifax Intl-STL Lambert-St Louis

7h 01m1 stop Toronto Pearson Intl

4:05 p.m. - 1:58 a.m.STL Lambert-St Louis-YHZ Halifax Intl

7h 53m1 stop Toronto Pearson Intl

C$ 549Air Canada

Wed, 25 Nov - Wed, 2 Dec

1:15 p.m. - 10:33 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 18m1 stop Dallas/Fort Worth

5:00 a.m. - 1:15 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 15m1 stop Dallas/Fort Worth

C$ 552American Airlines

Fri, 13 Nov - Mon, 16 Nov

7:45 a.m. - 4:41 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 56m1 stop Salt Lake City

12:28 p.m. - 8:55 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 27m2 stops Minneapolis St Paul Seattle/Tacoma Intl

C$ 571Delta

Fri, 13 Nov - Mon, 16 Nov

4:37 p.m. - 8:25 a.m.YVR Vancouver Intl-STL Lambert-St Louis

14h 48m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

2:20 p.m. - 12:42 a.m.STL Lambert-St Louis-YVR Vancouver Intl

11h 22m1 stop Salt Lake City

C$ 571Delta

Mon, 9 Nov - Wed, 11 Nov

8:30 p.m. - 10:59 p.m.YVR Vancouver Intl-STL Lambert-St Louis

25h 29m3 stops Calgary Atlanta Hartsfield-Jackson Orlando

7:58 p.m. - 10:45 p.m.STL Lambert-St Louis-YVR Vancouver Intl

27h 47m2 stops Denver Intl Los Angeles

C$ 632Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

7:00 a.m. - 7:19 p.m.YVR Vancouver Intl-STL Lambert-St Louis

11h 19m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

10:20 a.m. - 12:45 a.m.STL Lambert-St Louis-YVR Vancouver Intl

15h 25m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

C$ 639Alaska Airlines

Tue, 10 Nov - Wed, 11 Nov

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1:45 p.m. - 10:59 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 14m1 stop Chicago O'Hare Intl

1:36 p.m. - 6:18 p.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 42m1 stop Denver Intl

C$ 638Air Canada

Fri, 16 Oct - Mon, 19 Oct

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

8h 20m1 stop Houston George Bush Intcntl

7:08 a.m. - 1:12 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 04m1 stop San Francisco

C$ 638United Airlines

Fri, 16 Oct - Mon, 19 Oct

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

8h 20m1 stop Houston George Bush Intcntl

7:08 a.m. - 1:12 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 04m1 stop San Francisco

C$ 642United Airlines

Fri, 16 Oct - Mon, 19 Oct

1:20 p.m. - 12:44 a.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 24m1 stop Salt Lake City

3:35 p.m. - 8:33 p.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 58m1 stop Minneapolis St Paul

C$ 646Delta

Fri, 16 Oct - Mon, 19 Oct

12:00 p.m. - 11:21 p.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 21m1 stop Minneapolis St Paul

3:35 p.m. - 8:33 p.m.STL Lambert-St Louis-YVR Vancouver Intl

6h 58m1 stop Minneapolis St Paul

C$ 688WestJet

Fri, 16 Oct - Mon, 19 Oct

12:55 p.m. - 2:00 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$ 748Air Canada

Fri, 16 Oct - Mon, 19 Oct

12:00 p.m. - 11:21 p.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 21m1 stop Minneapolis St Paul

2:38 p.m. - 10:35 p.m.STL Lambert-St Louis-YVR Vancouver Intl

9h 57m2 stops Detroit Metropolitan Wayne County Calgary

C$ 798WestJet

Fri, 16 Oct - Mon, 19 Oct

6:35 a.m. - 8:51 p.m.YYC Calgary-STL Lambert-St Louis

13h 16m2 stops Salt Lake City Detroit Metropolitan Wayne County

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

9h 48m1 stop Salt Lake City

C$ 832Delta

Thu, 15 Oct - Mon, 19 Oct

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

7h 15m1 stop Seattle/Tacoma Intl

C$ 887Alaska Airlines

Tue, 13 Oct - Wed, 14 Oct

7:25 a.m. - 11:13 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

16h 48m2 stops Boston Logan Intl Orlando

4:30 p.m. - 1:40 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

20h 10m1 stop Orlando

C$ 1,109Multiple Airlines

Sat, 17 Oct - Sat, 24 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$ 822Air 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$ 822Air Canada

Fri, 6 Nov - Fri, 13 Nov

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

2h 13mdirect

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

1h 54mdirect

C$ 822Air Canada

Fri, 30 Oct - Sun, 1 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$ 822Air Canada

Mon, 23 Nov - Sun, 29 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$ 823Air Canada

Mon, 23 Nov - Mon, 30 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$ 826Air Canada

Tue, 10 Nov - Fri, 13 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$ 826Air Canada

Thu, 19 Nov - Mon, 23 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$ 826Air Canada

Sun, 22 Nov - Mon, 30 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$ 1,464United Airlines

Thu, 22 Oct - Mon, 26 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$ 1,522United Airlines

Sat, 9 Jan - Wed, 13 Jan

Fly from

Route

Depart

Return

Price

Cheapest round-trip

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Mon 9/11

1:15 p.m.-10:33 p.m.

1 stop8h 18m

Lambert-St Louis

Mon 16/11

5:00 a.m.-1:15 p.m.

1 stop9h 15m

C$ 485

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Tue 24/11

2:00 p.m.-9:15 p.m.

1 stop6h 15m

Lambert-St Louis

Wed 25/11

6:00 a.m.-1:45 p.m.

1 stop8h 45m

C$ 485

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 5/11

2:50 p.m.-7:55 a.m.

1 stop16h 05m

Lambert-St Louis

Mon 16/11

4:39 p.m.-2:43 p.m.

2 stops23h 04m

C$ 485

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 25/11

6:25 a.m.-2:26 p.m.

1 stop7h 01m

Lambert-St Louis

Wed 2/12

4:05 p.m.-2:48 a.m.

1 stop11h 43m

C$ 488

Quickest round-trip

HalifaxSt. Louis

YHZ Halifax Intl - STL Lambert-St Louis

YHZSTL

Halifax Intl

Wed 25/11

10:25 a.m.-3:26 p.m.

1 stop7h 01m

Lambert-St Louis

Wed 2/12

4:05 p.m.-1:58 a.m.

1 stop7h 53m

C$ 549

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 13/11

1:15 p.m.-10:33 p.m.

1 stop8h 18m

Lambert-St Louis

Mon 16/11

5:00 a.m.-1:15 p.m.

1 stop9h 15m

C$ 552

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 13/11

7:45 a.m.-4:41 p.m.

1 stop7h 56m

Lambert-St Louis

Mon 16/11

12:28 p.m.-8:55 p.m.

2 stops9h 27m

C$ 571

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Mon 9/11

4:37 p.m.-8:25 a.m.

2 stops14h 48m

Lambert-St Louis

Wed 11/11

2:20 p.m.-12:42 a.m.

1 stop11h 22m

C$ 571

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 25/11

8:30 p.m.-10:59 p.m.

3 stops25h 29m

Lambert-St Louis

Wed 2/12

7:58 p.m.-10:45 p.m.

2 stops27h 47m

C$ 632

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Tue 10/11

7:00 a.m.-7:19 p.m.

2 stops11h 19m

Lambert-St Louis

Wed 11/11

10:20 a.m.-12:45 a.m.

2 stops15h 25m

C$ 639

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$ 564. 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$ 588.

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$ 604. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 868.

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$ 682. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 1,031 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$ 756 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$ 425 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	21% cheaper	Flying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 602 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORT	April	51% more expensive	It costs about C$ 1,143 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	238% 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$ 275
Best Round-Trip Price	C$ 485
Fastest flight time	7h 15m
Popular in	December

The best one-way flight price to St. Louis from Canada in the last 5 days is C$ 275 (Vancouver Intl to Lambert-St Louis).

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The best round-trip flight price to St. Louis from Canada in the last 5 days is C$ 485 (Vancouver Intl to Lambert-St Louis).

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The fastest flight to St. Louis from Canada takes 7h 15m (Vancouver Intl to Lambert-St Louis).

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December has the highest demand for flights to St. Louis, with a 22% 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$ 511

Montreal to Lambert-St Louis Flightsfrom C$ 543

Vancouver to Lambert-St Louis Flightsfrom C$ 340

Ottawa to Lambert-St Louis Flightsfrom C$ 668

Calgary to Lambert-St Louis Flightsfrom C$ 435

Halifax Intl to Lambert-St Louis Flightsfrom C$ 593

Saskatoon to Lambert-St Louis Flightsfrom C$ 1,240

Victoria Intl to Lambert-St Louis Flightsfrom C$ 806

Charlottetown Alexander B. Campbell to Lambert-St Louis Flightsfrom C$ 931

Edmonton to Lambert-St Louis Flightsfrom C$ 494

Québec City to Lambert-St Louis Flightsfrom C$ 853

C$ 275 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 29/10. 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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What is the cheapest month to fly to St. Louis?

What is the absolute cheapest flight to St. Louis?

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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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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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