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$ 211 (last 72 hours, from Vancouver Intl, to St. Louis). Delta has a score of 7.8 from 8,697 user reviews on momondo.

WestJet Flights to St. Louis

WestJet flights to St. Louis can start from as low as C$ 426 (round-trip, from Halifax Intl, found in the last 72 hours). Over 32 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 3,441 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 16m on average. On the other hand, flying from Vancouver Intl to Lambert-St Louis takes 7h 48m 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$ 217 Cheap Flights to St. Louis in 2026/27

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9:30 a.m. - 4:57 p.m.YVR Vancouver Intl-STL Lambert-St Louis

6h 27m1 stop Denver Intl

5:00 a.m. - 12:45 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 45m1 stop Chicago O'Hare Intl

C$ 461Lufthansa

Thu, 19 Nov - Wed, 25 Nov

2:20 p.m. - 9:28 p.m.YVR Vancouver Intl-STL Lambert-St Louis

6h 08m1 stop Salt Lake City

2:15 p.m. - 11:51 p.m.STL Lambert-St Louis-YVR Vancouver Intl

10h 36m1 stop Salt Lake City

C$ 470Delta

Sat, 12 Dec - Mon, 14 Dec

6:30 p.m. - 7:02 p.m.YVR Vancouver Intl-STL Lambert-St Louis

23h 32m2 stops Los Angeles Chicago O'Hare Intl

5:42 p.m. - 1:43 p.m.STL Lambert-St Louis-YVR Vancouver Intl

21h 01m2 stops Denver Intl San Francisco

C$ 482United Airlines

Wed, 23 Dec - Mon, 25 Jan

2:50 p.m. - 11:38 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 48m1 stop Chicago O'Hare Intl

5:42 p.m. - 1:43 p.m.STL Lambert-St Louis-YVR Vancouver Intl

21h 01m2 stops Denver Intl San Francisco

C$ 482United Airlines

Thu, 24 Dec - Mon, 25 Jan

2:32 p.m. - 11:22 p.m.YVR Vancouver Intl-STL Lambert-St Louis

7h 50m1 stop Minneapolis St Paul

6:13 a.m. - 1:20 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 07m1 stop Minneapolis St Paul

C$ 482Delta

Thu, 19 Nov - Wed, 25 Nov

8:45 a.m. - 12:17 p.m.YYC Calgary-STL Lambert-St Louis

26h 32m1 stop Atlanta Hartsfield-Jackson

6:20 p.m. - 10:15 a.m.STL Lambert-St Louis-YYC Calgary

16h 55m2 stops Denver Intl Phoenix Sky Harbor Intl

C$ 494Multiple Airlines

Thu, 10 Dec - Wed, 6 Jan

1:15 p.m. - 10:20 p.m.YVR Vancouver Intl-STL Lambert-St Louis

8h 05m1 stop Dallas/Fort Worth

5:00 a.m. - 12:18 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 18m1 stop Dallas/Fort Worth

C$ 576American Airlines

Sun, 13 Dec - Thu, 17 Dec

1:15 p.m. - 11:34 p.m.YVR Vancouver Intl-STL Lambert-St Louis

9h 19m1 stop Dallas/Fort Worth

5:00 a.m. - 12:18 p.m.STL Lambert-St Louis-YVR Vancouver Intl

8h 18m1 stop Dallas/Fort Worth

C$ 576American Airlines

Tue, 15 Dec - Thu, 17 Dec

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

8h 01m1 stop Toronto Pearson Intl

4:05 p.m. - 1:59 a.m.STL Lambert-St Louis-YVR Vancouver Intl

10h 54m1 stop Toronto Pearson Intl

C$ 613Air Canada

Fri, 5 Mar - Sun, 7 Mar

9:50 a.m. - 4:57 p.m.YVR Vancouver Intl-STL Lambert-St Louis

6h 07m1 stop Denver Intl

4:05 p.m. - 8:00 a.m.STL Lambert-St Louis-YVR Vancouver Intl

16h 55m2 stops Toronto Pearson Intl Winnipeg

C$ 646Air Canada

Thu, 19 Nov - Wed, 25 Nov

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6:21 p.m. - 10:24 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

5h 03m1 stop Chicago O'Hare Intl

7:26 a.m. - 12:32 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 06m1 stop Chicago O'Hare Intl

C$ 780Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

3:15 p.m. - 7:39 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

5h 24m1 stop Chicago O'Hare Intl

7:26 a.m. - 12:32 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 06m1 stop Chicago O'Hare Intl

C$ 780Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

2:40 p.m. - 12:21 a.m.YYC Calgary-STL Lambert-St Louis

8h 41m1 stop Minneapolis St Paul

12:28 p.m. - 8:58 p.m.STL Lambert-St Louis-YYC Calgary

9h 30m1 stop Minneapolis St Paul

C$ 847Delta

Thu, 5 Nov - Tue, 10 Nov

2:40 p.m. - 12:21 a.m.YYC Calgary-STL Lambert-St Louis

8h 41m1 stop Minneapolis St Paul

2:21 p.m. - 11:17 p.m.STL Lambert-St Louis-YYC Calgary

9h 56m2 stops Detroit Metropolitan Wayne County Salt Lake City

C$ 847Delta

Thu, 5 Nov - Tue, 10 Nov

1:25 a.m. - 12:56 a.m.YYC Calgary-STL Lambert-St Louis

22h 31m1 stop Atlanta Hartsfield-Jackson

7:00 a.m. - 9:05 p.m.STL Lambert-St Louis-YYC Calgary

15h 05m1 stop New York LaGuardia

C$ 1,056WestJet

Sun, 8 Nov - Wed, 11 Nov

6:00 a.m. - 9:30 p.m.YYC Calgary-STL Lambert-St Louis

14h 30m2 stops Toronto Pearson Intl New York LaGuardia

9:45 a.m. - 6:30 p.m.STL Lambert-St Louis-YYC Calgary

33h 45m2 stops Minneapolis St Paul Vancouver Intl

C$ 1,089WestJet

Mon, 9 Nov - Wed, 11 Nov

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

2h 16mdirect

6:00 a.m. - 11:27 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 27m1 stop Chicago O'Hare Intl

C$ 1,363Air Canada

Sat, 7 Nov - Sat, 14 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$ 1,383Air Canada

Fri, 6 Nov - Fri, 13 Nov

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

2h 16mdirect

6:00 a.m. - 1:43 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

6h 43m1 stop Newark

C$ 1,529United Airlines

Thu, 5 Nov - Tue, 17 Nov

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

2h 16mdirect

1:00 p.m. - 11:22 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

21h 22m1 stop Washington, D.C. Dulles Intl

C$ 1,558United Airlines

Sun, 8 Nov - Mon, 9 Nov

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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$ 947Air 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$ 947Air Canada

Sun, 22 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$ 947Air Canada

Sat, 5 Dec - Mon, 7 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$ 947Air Canada

Sun, 22 Nov - Mon, 30 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$ 947Air Canada

Tue, 8 Dec - Wed, 9 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$ 1,365United Airlines

Sat, 19 Dec - Sat, 16 Jan

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$ 1,499United Airlines

Thu, 18 Feb - Mon, 22 Feb

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$ 1,566United Airlines

Fri, 27 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$ 1,566Multiple Airlines

Tue, 24 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$ 1,622United Airlines

Sat, 9 Jan - Wed, 13 Jan

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 19/11

9:30 a.m.-4:57 p.m.

1 stop6h 27m

Lambert-St Louis

Wed 25/11

5:00 a.m.-12:45 p.m.

1 stop8h 45m

C$ 461

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Sat 12/12

2:20 p.m.-9:28 p.m.

1 stop6h 08m

Lambert-St Louis

Mon 14/12

2:15 p.m.-11:51 p.m.

1 stop10h 36m

C$ 470

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Wed 23/12

6:30 p.m.-7:02 p.m.

2 stops23h 32m

Lambert-St Louis

Mon 25/1

5:42 p.m.-1:43 p.m.

2 stops21h 01m

C$ 482

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 24/12

2:50 p.m.-11:38 p.m.

1 stop7h 48m

Lambert-St Louis

Mon 25/1

5:42 p.m.-1:43 p.m.

2 stops21h 01m

C$ 482

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 19/11

2:32 p.m.-11:22 p.m.

1 stop7h 50m

Lambert-St Louis

Wed 25/11

6:13 a.m.-1:20 p.m.

1 stop8h 07m

C$ 482

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Thu 10/12

8:45 a.m.-12:17 p.m.

1 stop26h 32m

Lambert-St Louis

Wed 6/1

6:20 p.m.-10:15 a.m.

2 stops16h 55m

C$ 494

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Sun 13/12

1:15 p.m.-10:20 p.m.

1 stop8h 05m

Lambert-St Louis

Thu 17/12

5:00 a.m.-12:18 p.m.

1 stop8h 18m

C$ 576

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Tue 15/12

1:15 p.m.-11:34 p.m.

1 stop9h 19m

Lambert-St Louis

Thu 17/12

5:00 a.m.-12:18 p.m.

1 stop8h 18m

C$ 576

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 5/3

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

1 stop8h 01m

Lambert-St Louis

Sun 7/3

4:05 p.m.-1:59 a.m.

1 stop10h 54m

C$ 613

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Thu 19/11

9:50 a.m.-4:57 p.m.

1 stop6h 07m

Lambert-St Louis

Wed 25/11

4:05 p.m.-8:00 a.m.

2 stops16h 55m

C$ 646

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$ 552. 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$ 576.

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 Tuesday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 645. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 851.

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$ 672. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 1,010 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$ 752 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$ 417 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	22% cheaper	Flying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 590 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORT	April	48% more expensive	It costs about C$ 1,120 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	246% 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$ 217
Best Round-Trip Price	C$ 470
Fastest flight time	11h 15m
Popular in	December

The best one-way flight price to St. Louis from Canada in the last 5 days is C$ 217 (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$ 470 (Vancouver Intl to Lambert-St Louis).

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The fastest flight to St. Louis from Canada takes 11h 15m (Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis).

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December has the highest demand for flights to St. Louis, with a 23% 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 November 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$ 370

Vancouver to Lambert-St Louis Flightsfrom C$ 336

Montreal to Lambert-St Louis Flightsfrom C$ 531

Québec City to Lambert-St Louis Flightsfrom C$ 652

Calgary to Lambert-St Louis Flightsfrom C$ 429

Ottawa to Lambert-St Louis Flightsfrom C$ 689

Edmonton to Lambert-St Louis Flightsfrom C$ 440

Charlottetown Alexander B. Campbell to Lambert-St Louis Flightsfrom C$ 964

Halifax Intl to Lambert-St Louis Flightsfrom C$ 501

Victoria Intl to Lambert-St Louis Flightsfrom C$ 1,131

Saskatoon to Lambert-St Louis Flightsfrom C$ 697

C$ 217 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 30/11. 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?

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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?

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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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