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Flights to Lambert-St Louis

C$ 221 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 2/10. 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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Find the cheapest flights from Canada to St. Louis

Cheap round-trip flights

American Airlines Logo
1:28 p.m. - 8:09 a.m.YVR-STL
16h 41m1 stop
American Airlines Logo
8:04 p.m. - 12:30 p.m.STL-YVR
18h 26m1 stop
C$ 360American Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
American Airlines Logo
12:30 p.m. - 8:26 p.m.YUL-STL
8h 56m1 stop
American Airlines Logo
7:16 a.m. - 4:39 p.m.STL-YUL
8h 23m1 stop
C$ 370American Airlines
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Delta Logo
11:39 a.m. - 12:24 a.m.YVR-STL
10h 45m2 stops
Delta Logo
6:00 a.m. - 2:41 p.m.STL-YVR
10h 41m2 stops
C$ 473Delta
Find Deal
Wed, 15 Oct - Wed, 22 Oct
United Airlines Logo
2:20 p.m. - 11:58 p.m.YVR-STL
7h 38m1 stop
United Airlines Logo
5:15 a.m. - 1:53 p.m.STL-YVR
10h 38m2 stops
C$ 498United Airlines
Find Deal
Tue, 14 Oct - Sat, 18 Oct
United Airlines Logo
2:50 p.m. - 10:49 a.m.YHZ-STL
21h 59m2 stops
United Airlines Logo
5:28 p.m. - 3:49 p.m.STL-YHZ
20h 21m2 stops
C$ 511United Airlines
Find Deal
Fri, 10 Oct - Tue, 14 Oct
Delta Logo
11:39 a.m. - 12:24 a.m.YVR-STL
10h 45m2 stops
Delta Logo
2:15 p.m. - 11:57 p.m.STL-YVR
11h 42m2 stops
C$ 511Delta
Find Deal
Fri, 24 Oct - Mon, 27 Oct
Air Canada Logo
2:15 p.m. - 3:18 p.m.YYZ-STL
2h 03mdirect
Air Canada Logo
4:05 p.m. - 7:00 p.m.STL-YYZ
1h 55mdirect
C$ 542Air Canada
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Air Canada Logo
7:00 a.m. - 3:18 p.m.YYC-STL
7h 18m1 stop
Air Canada Logo
1:30 p.m. - 11:16 p.m.STL-YYC
10h 46m1 stop
C$ 554Air Canada
Find Deal
Sat, 13 Sep - Mon, 15 Sep
WestJet Logo
8:30 p.m. - 10:26 a.m.YVR-STL
11h 56m2 stops
WestJet Logo
6:40 a.m. - 8:36 p.m.STL-YVR
15h 56m2 stops
C$ 668WestJet
Find Deal
Tue, 14 Oct - Sun, 19 Oct
WestJet Logo
8:15 a.m. - 11:09 p.m.YEG-STL
13h 54m2 stops
WestJet Logo
1:30 p.m. - 12:27 a.m.STL-YEG
11h 57m2 stops
C$ 693WestJet
Find Deal
Tue, 30 Sep - Tue, 7 Oct

momondo Fare Finder

 
Locate flights to Lambert-St Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 96,600 searches and data was last updated on 2 September 2025.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 15/10

1:28 p.m.-8:09 a.m.

1 stop16h 41m

Lambert-St Louis

Wed 22/10

8:04 p.m.-12:30 p.m.

1 stop18h 26m

C$ 360

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

12:30 p.m.-8:26 p.m.

1 stop8h 56m

Lambert-St Louis

Thu 23/10

7:16 a.m.-4:39 p.m.

1 stop8h 23m

C$ 370

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 15/10

11:39 a.m.-12:24 a.m.

2 stops10h 45m

Lambert-St Louis

Wed 22/10

6:00 a.m.-2:41 p.m.

2 stops10h 41m

C$ 473

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 14/10

2:20 p.m.-11:58 p.m.

1 stop7h 38m

Lambert-St Louis

Sat 18/10

5:15 a.m.-1:53 p.m.

2 stops10h 38m

C$ 498

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 10/10

2:50 p.m.-10:49 a.m.

2 stops21h 59m

Lambert-St Louis

Tue 14/10

5:28 p.m.-3:49 p.m.

2 stops20h 21m

C$ 511

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 24/10

11:39 a.m.-12:24 a.m.

2 stops10h 45m

Lambert-St Louis

Mon 27/10

2:15 p.m.-11:57 p.m.

2 stops11h 42m

C$ 511

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 8/10

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

Nonstop2h 03m

Lambert-St Louis

Sun 12/10

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

Nonstop1h 55m

C$ 542

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 13/9

7:00 a.m.-3:18 p.m.

1 stop7h 18m

Lambert-St Louis

Mon 15/9

1:30 p.m.-11:16 p.m.

1 stop10h 46m

C$ 554

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Tue 14/10

8:30 p.m.-10:26 a.m.

2 stops11h 56m

Lambert-St Louis

Sun 19/10

6:40 a.m.-8:36 p.m.

2 stops15h 56m

C$ 668

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 30/9

8:15 a.m.-11:09 p.m.

2 stops13h 54m

Lambert-St Louis

Tue 7/10

1:30 p.m.-12:27 a.m.

2 stops11h 57m

C$ 693

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 June is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around C$ 511. If you don’t want to visit St. Louis in June, then you should wait until November to fly from Canada, when ticket prices are also cheap, with an average price of C$ 638.

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 Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 599. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 756.

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$ 538. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 685 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.

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$ 677 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$ 495 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 AIRPORTJune20% cheaperFlying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 547 in June
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTSeptember10% more expensiveIt costs about C$ 749 for flights to St. Louis from Toronto Pearson Intl Airport in September
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTDecember326% more users visitedMore momondo users searched in flights to St. Louis from Toronto Pearson Intl Airport in December 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$ 221

Best Round-Trip Price

C$ 360

Fastest flight time

2h 03m

Popular in

June
The best one-way flight price to St. Louis from Canada in the last 72 hours is C$ 221 (Vancouver Intl to Lambert-St Louis).
Search Deals
The best round-trip flight price to St. Louis from Canada in the last 72 hours is C$ 360 (Vancouver Intl to Lambert-St Louis).
Search Deals
The fastest flight to St. Louis from Canada takes 2h 03m (Toronto Pearson Intl to Lambert-St Louis).
Search Deals
June has the highest demand for flights to St. Louis, with a 7% price increase on average.
Search Deals

Frequently asked questions about flying to St. Louis

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

The best time to book a flight to St. Louis from Canada is 65 days out, which is when prices tend to be around C$ 665. In the past 72 hours, momondo users found flights from Canada to St. Louis for as low as C$ 309.

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 September 2025, there are 5 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
Chesterfield
Collinsville
Litchfield

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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