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Flights to Lambert-St Louis

C$ 243 Cheap flights to St. Louis

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Canada to St. Louis

Cheap round-trip flights

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Multiple Airlines Logo
2:25 p.m. - 11:17 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
45h 52m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 20m1 stop Orlando
C$ 481Multiple Airlines
Mon, 7 Dec - Wed, 16 Dec
United Airlines Logo
2:50 p.m. - 8:55 a.m.YVR  Vancouver Intl-STL Lambert-St Louis
17h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
8:00 a.m. - 10:19 p.m.STL  Lambert-St Louis-YVR Vancouver Intl
15h 19m1 stop San Francisco
C$ 492United Airlines
Mon, 23 Nov - Thu, 26 Nov
United Airlines Logo
2:50 p.m. - 8:55 a.m.YVR  Vancouver Intl-STL Lambert-St Louis
17h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
8:00 a.m. - 5:19 p.m.STL  Lambert-St Louis-YVR Vancouver Intl
10h 19m1 stop San Francisco
C$ 494United Airlines
Mon, 23 Nov - Thu, 26 Nov
Multiple Airlines Logo
10:40 a.m. - 11:17 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
49h 37m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 20m1 stop Orlando
C$ 495Multiple Airlines
Wed, 9 Dec - Wed, 16 Dec
Delta Logo
2:17 p.m. - 12:40 a.m.YVR  Vancouver Intl-STL Lambert-St Louis
9h 23m1 stop Salt Lake City
Delta Logo
2:20 p.m. - 11:42 p.m.STL  Lambert-St Louis-YVR Vancouver Intl
10h 22m1 stop Salt Lake City
C$ 498Delta
Fri, 20 Nov - Sun, 22 Nov
Delta Logo
2:20 p.m. - 12:46 a.m.YVR  Vancouver Intl-STL Lambert-St Louis
9h 26m1 stop Salt Lake City
Delta Logo
2:15 p.m. - 11:51 p.m.STL  Lambert-St Louis-YVR Vancouver Intl
10h 36m1 stop Salt Lake City
C$ 498Delta
Fri, 4 Dec - Fri, 11 Dec
American Airlines Logo
1:19 p.m. - 11:35 p.m.YVR  Vancouver Intl-STL Lambert-St Louis
9h 16m1 stop Dallas/Fort Worth
American Airlines Logo
2:48 p.m. - 10:44 p.m.STL  Lambert-St Louis-YVR Vancouver Intl
8h 56m1 stop Dallas/Fort Worth
C$ 498American Airlines
Fri, 20 Nov - Mon, 23 Nov
American Airlines Logo
12:08 p.m. - 7:58 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
8h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
8:24 p.m. - 11:28 a.m.STL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
14h 04m1 stop Chicago O'Hare Intl
C$ 642American Airlines
Thu, 3 Dec - Mon, 7 Dec
Air Canada Logo
7:15 a.m. - 3:26 p.m.YHZ  Halifax Intl-STL Lambert-St Louis
10h 11m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
4:05 p.m. - 1:58 a.m.STL  Lambert-St Louis-YHZ Halifax Intl
7h 53m1 stop Toronto Pearson Intl
C$ 657Air Canada
Tue, 8 Dec - Wed, 9 Dec
Air Canada Logo
7:15 a.m. - 3:26 p.m.YHZ  Halifax Intl-STL Lambert-St Louis
10h 11m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
4:05 p.m. - 1:58 a.m.STL  Lambert-St Louis-YHZ Halifax Intl
7h 53m1 stop Toronto Pearson Intl
C$ 659Air Canada
Tue, 8 Dec - Wed, 9 Dec

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Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Mon 7/12

2:25 p.m.-11:17 a.m.

2 stops45h 52m

Lambert-St Louis

Wed 16/12

6:20 p.m.-1:40 p.m.

1 stop18h 20m

C$ 481

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Mon 23/11

2:50 p.m.-8:55 a.m.

1 stop17h 05m

Lambert-St Louis

Thu 26/11

8:00 a.m.-10:19 p.m.

1 stop15h 19m

C$ 492

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Mon 23/11

2:50 p.m.-8:55 a.m.

1 stop17h 05m

Lambert-St Louis

Thu 26/11

8:00 a.m.-5:19 p.m.

1 stop10h 19m

C$ 494

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Wed 9/12

10:40 a.m.-11:17 a.m.

2 stops49h 37m

Lambert-St Louis

Wed 16/12

6:20 p.m.-1:40 p.m.

1 stop18h 20m

C$ 495

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 20/11

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

1 stop9h 23m

Lambert-St Louis

Sun 22/11

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

1 stop10h 22m

C$ 498

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 4/12

2:20 p.m.-12:46 a.m.

1 stop9h 26m

Lambert-St Louis

Fri 11/12

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

1 stop10h 36m

C$ 498

VancouverSt. Louis

YVR Vancouver Intl - STL Lambert-St Louis

YVRSTL

Vancouver Intl

Fri 20/11

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

1 stop9h 16m

Lambert-St Louis

Mon 23/11

2:48 p.m.-10:44 p.m.

1 stop8h 56m

C$ 498

MontrealSt. Louis

YUL Montreal Pierre Elliott Trudeau Intl - STL Lambert-St Louis

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

12:08 p.m.-7:58 p.m.

1 stop8h 50m

Lambert-St Louis

Mon 7/12

8:24 p.m.-11:28 a.m.

1 stop14h 04m

C$ 642
Quickest round-trip

HalifaxSt. Louis

YHZ Halifax Intl - STL Lambert-St Louis

YHZSTL

Halifax Intl

Tue 8/12

7:15 a.m.-3:26 p.m.

2 stops10h 11m

Lambert-St Louis

Wed 9/12

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

1 stop7h 53m

C$ 657

HalifaxSt. Louis

YHZ Halifax Intl - STL Lambert-St Louis

YHZSTL

Halifax Intl

Tue 8/12

7:15 a.m.-3:26 p.m.

2 stops10h 11m

Lambert-St Louis

Wed 9/12

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

1 stop7h 53m

C$ 659

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

St. Louis flights insights and trends

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

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$ 557. 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$ 581.

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$ 651. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 858.

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$ 678. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 1,019 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$ 753 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$ 420 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 AIRPORTJanuary21% cheaperFlying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 595 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTApril50% more expensiveIt costs about C$ 1,130 for flights to St. Louis from Toronto Pearson Intl Airport in April
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTOctober238% more users visitedMore 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$ 243

Best Round-Trip Price

C$ 481

Fastest flight time

8h 29m

Popular in

December
The best one-way flight price to St. Louis from Canada in the last 5 days is C$ 243 (Toronto Pearson 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$ 481 (Toronto Pearson Intl to Lambert-St Louis).
Search Deals
The fastest flight to St. Louis from Canada takes 8h 29m (Kelowna to Lambert-St Louis).
Search Deals
December has the highest demand for flights to St. Louis, with a 22% price increase on average.
Search Deals

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.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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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