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Flights to Lambert-St Louis

C$ 196 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 20/5. 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

Enter your travel dates to find the best prices.
American Airlines Logo
6:15 a.m. - 4:41 p.m.
YYZ
-
STL
11h 26m
1 stop
American Airlines Logo
5:51 a.m. - 5:43 p.m.
STL
-
YYZ
10h 52m
1 stop
C$ 286American Airlines
Thu, 9 Apr - Mon, 13 Apr
Delta Logo
7:25 a.m. - 5:07 p.m.
YVR
-
STL
7h 42m
2 stops
Delta Logo
7:00 a.m. - 6:40 p.m.
STL
-
YVR
13h 40m
2 stops
C$ 361Delta
Wed, 1 Apr - Wed, 15 Apr
United Airlines Logo
1:45 p.m. - 10:56 p.m.
YVR
-
STL
7h 11m
1 stop
United Airlines Logo
8:15 p.m. - 11:33 a.m.
STL
-
YVR
17h 18m
1 stop
C$ 368United Airlines
Wed, 8 Apr - Thu, 23 Apr
United Airlines Logo
7:20 p.m. - 5:50 a.m.
YVR
-
STL
8h 30m
1 stop
United Airlines Logo
6:05 p.m. - 10:56 p.m.
STL
-
YVR
6h 51m
1 stop
C$ 372United Airlines
Mon, 30 Mar - Fri, 3 Apr
Air Canada Logo
9:10 p.m. - 12:06 p.m.
YVR
-
STL
12h 56m
2 stops
Air Canada Logo
7:30 a.m. - 2:24 p.m.
STL
-
YVR
8h 54m
1 stop
C$ 377Air Canada
Sun, 24 May - Sat, 30 May
Air Canada Logo
6:15 a.m. - 8:04 p.m.
YVR
-
STL
11h 49m
1 stop
Air Canada Logo
7:30 a.m. - 2:24 p.m.
STL
-
YVR
8h 54m
1 stop
C$ 403Air Canada
Fri, 22 May - Sat, 30 May
Multiple Airlines Logo
5:30 p.m. - 11:19 a.m.
YVR
-
STL
15h 49m
1 stop
Multiple Airlines Logo
8:16 p.m. - 11:59 p.m.
STL
-
YVR
29h 43m
2 stops
C$ 412Multiple Airlines
Mon, 30 Mar - Fri, 3 Apr
WestJet Logo
3:30 p.m. - 1:17 p.m.
YHZ
-
STL
23h 47m
1 stop
WestJet Logo
5:45 p.m. - 9:45 p.m.
STL
-
YHZ
26h 00m
1 stop
C$ 449WestJet
Thu, 18 Jun - Mon, 22 Jun
WestJet Logo
3:30 p.m. - 1:17 p.m.
YHZ
-
STL
23h 47m
1 stop
WestJet Logo
5:45 p.m. - 9:45 p.m.
STL
-
YHZ
26h 00m
1 stop
C$ 450WestJet
Thu, 18 Jun - Mon, 22 Jun
Multiple Airlines Logo
10:15 a.m. - 10:30 a.m.
YYZ
-
STL
25h 15m
2 stops
Multiple Airlines Logo
4:59 p.m. - 2:16 p.m.
STL
-
YYZ
20h 17m
1 stop
C$ 453Multiple Airlines
Mon, 6 Apr - Mon, 13 Apr

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 20 February 2026.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 9/4

6:15 a.m.-4:41 p.m.

1 stop11h 26m

Lambert-St Louis

Mon 13/4

5:51 a.m.-5:43 p.m.

1 stop10h 52m

C$ 286

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 1/4

7:25 a.m.-5:07 p.m.

2 stops7h 42m

Lambert-St Louis

Wed 15/4

7:00 a.m.-6:40 p.m.

2 stops13h 40m

C$ 361

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Wed 8/4

1:45 p.m.-10:56 p.m.

1 stop7h 11m

Lambert-St Louis

Thu 23/4

8:15 p.m.-11:33 a.m.

1 stop17h 18m

C$ 368

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 30/3

7:20 p.m.-5:50 a.m.

1 stop8h 30m

Lambert-St Louis

Fri 3/4

6:05 p.m.-10:56 p.m.

1 stop6h 51m

C$ 372

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Sun 24/5

9:10 p.m.-12:06 p.m.

2 stops12h 56m

Lambert-St Louis

Sat 30/5

7:30 a.m.-2:24 p.m.

1 stop8h 54m

C$ 376

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Fri 22/5

6:15 a.m.-8:04 p.m.

1 stop11h 49m

Lambert-St Louis

Sat 30/5

7:30 a.m.-2:24 p.m.

1 stop8h 54m

C$ 403

VancouverSt. Louis

YVR - STL

YVRSTL

Vancouver Intl

Mon 30/3

5:30 p.m.-11:19 a.m.

1 stop15h 49m

Lambert-St Louis

Fri 3/4

8:16 p.m.-11:59 p.m.

2 stops29h 43m

C$ 412

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 18/6

3:30 p.m.-1:17 p.m.

1 stop23h 47m

Lambert-St Louis

Mon 22/6

5:45 p.m.-9:45 p.m.

1 stop26h 00m

C$ 449

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 18/6

3:30 p.m.-1:17 p.m.

1 stop23h 47m

Lambert-St Louis

Mon 22/6

5:45 p.m.-9:45 p.m.

1 stop26h 00m

C$ 450

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 6/4

10:15 a.m.-10:30 a.m.

2 stops25h 15m

Lambert-St Louis

Mon 13/4

4:59 p.m.-2:16 p.m.

1 stop20h 17m

C$ 453

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$ 500. If you don’t want to visit St. Louis in June, then you should wait until January to fly from Canada, when ticket prices are also cheap, with an average price of C$ 541.

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$ 558. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 806.

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$ 539. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 608 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$ 629 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$ 493 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 AIRPORTJune15% cheaperFlying from Toronto Pearson Intl Airport to St. Louis costs on average just C$ 539 in June
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTJuly13% more expensiveIt costs about C$ 716 for flights to St. Louis from Toronto Pearson Intl Airport in July
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM TORONTO PEARSON INTL AIRPORTMay464% more users visitedMore momondo users searched in flights to St. Louis from Toronto Pearson Intl Airport in May 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$ 196

Best Round-Trip Price

C$ 286

Fastest flight time

5h 27m

Popular in

March
The best one-way flight price to St. Louis from Canada in the last 72 hours is C$ 196 (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$ 286 (Toronto Pearson Intl to Lambert-St Louis).
Search Deals
The fastest flight to St. Louis from Canada takes 5h 27m (Ottawa to Lambert-St Louis).
Search Deals
March has the highest demand for flights to St. Louis, with a 4% 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 February 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
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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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