Cheap flights from St. Louis to Toronto from C$ 284

1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
7:02 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
17h 38m2 stops Denver Intl Orlando
Multiple Airlines Logo
6:30 a.m. - 12:04 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
18h 34m1 stop Orlando
C$ 524Multiple Airlines
Wed, 10 Feb - Wed, 17 Feb
Multiple Airlines Logo
6:09 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 31m1 stop Orlando
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
C$ 538Multiple Airlines
Thu, 26 Nov - Wed, 9 Dec
Multiple Airlines Logo
6:09 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 31m1 stop Orlando
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
C$ 540Multiple Airlines
Thu, 26 Nov - Wed, 9 Dec
Multiple Airlines Logo
6:13 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 27m1 stop Orlando
Multiple Airlines Logo
12:20 p.m. - 11:17 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
23h 57m2 stops Tampa Atlanta Hartsfield-Jackson
C$ 545Multiple Airlines
Thu, 3 Dec - Thu, 10 Dec
Multiple Airlines Logo
12:05 p.m. - 5:10 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
28h 05m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
6:30 a.m. - 12:12 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
18h 42m1 stop Orlando
C$ 547Multiple Airlines
Wed, 2 Dec - Sat, 5 Dec
Multiple Airlines Logo
6:13 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 27m1 stop Orlando
Multiple Airlines Logo
12:20 p.m. - 11:17 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
23h 57m2 stops Tampa Atlanta Hartsfield-Jackson
C$ 565Multiple Airlines
Thu, 3 Dec - Thu, 10 Dec
Multiple Airlines Logo
6:13 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 27m1 stop Orlando
Multiple Airlines Logo
6:30 a.m. - 12:12 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
18h 42m1 stop Orlando
C$ 582Multiple Airlines
Thu, 3 Dec - Thu, 10 Dec
Multiple Airlines Logo
5:59 p.m. - 1:40 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 41m1 stop Orlando
Multiple Airlines Logo
6:30 a.m. - 12:04 a.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
18h 34m1 stop Orlando
C$ 585Multiple Airlines
Fri, 5 Feb - Mon, 8 Feb
Air Canada Logo
4:05 p.m. - 7:05 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
2h 00mdirect
Air Canada Logo
2:10 p.m. - 3:26 p.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
2h 16mdirect
C$ 1,168Air Canada
Sat, 12 Dec - Sun, 13 Dec
Air Canada Logo
4:05 p.m. - 7:05 p.m.STL  Lambert-St Louis-YYZ Toronto Pearson Intl
2h 00mdirect
Air Canada Logo
2:35 p.m. - 6:16 p.m.YYZ  Toronto Pearson Intl-STL Lambert-St Louis
4h 41m1 stop Chicago O'Hare Intl
C$ 1,254Air Canada
Sat, 12 Dec - Sun, 13 Dec

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American Airlines flights from St. Louis to Toronto

Our best American Airlines deals on St. Louis to Toronto flight tickets
American Airlines
26 Nov
STL5:00 a.m.Lambert-St Louis
11h 40m
1 stop
YYZ5:40 p.m.Toronto Pearson Intl
9 Dec
YYZ11:36 a.m.Toronto Pearson Intl
9h 22m
1 stop
STL7:58 p.m.Lambert-St Louis
C$ 701
American Airlines
26 Nov
STL5:00 a.m.Lambert-St Louis
11h 40m
1 stop
YYZ5:40 p.m.Toronto Pearson Intl
9 Dec
YYZ11:36 a.m.Toronto Pearson Intl
9h 22m
1 stop
STL7:58 p.m.Lambert-St Louis
C$ 716
American Airlines
10 Nov
STL6:00 a.m.Lambert-St Louis
8h 49m
1 stop
YYZ3:49 p.m.Toronto Pearson Intl
11 Nov
YYZ7:00 a.m.Toronto Pearson Intl
9h 41m
1 stop
STL3:41 p.m.Lambert-St Louis
C$ 1,427

Air Canada flights from St. Louis to Toronto

Our best Air Canada deals on St. Louis to Toronto flight tickets
Air Canada
10 Nov
STL4:05 p.m.Lambert-St Louis
1h 54m
YYZ6:59 p.m.Toronto Pearson Intl
13 Nov
YYZ2:10 p.m.Toronto Pearson Intl
2h 16m
STL3:26 p.m.Lambert-St Louis
C$ 1,050
Air Canada
18 Nov
STL4:05 p.m.Lambert-St Louis
2h 00m
YYZ7:05 p.m.Toronto Pearson Intl
25 Nov
YYZ2:10 p.m.Toronto Pearson Intl
2h 16m
STL3:26 p.m.Lambert-St Louis
C$ 1,400
Air Canada
18 Nov
STL4:05 p.m.Lambert-St Louis
2h 00m
YYZ7:05 p.m.Toronto Pearson Intl
25 Nov
YYZ2:35 p.m.Toronto Pearson Intl
5h 48m
1 stop
STL7:23 p.m.Lambert-St Louis
C$ 1,496

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Wed 10/2

7:02 p.m.-1:40 p.m.

2 stops17h 38m

Toronto Pearson Intl

Wed 17/2

6:30 a.m.-12:04 a.m.

1 stop18h 34m

C$ 524

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 26/11

6:09 p.m.-1:40 p.m.

1 stop18h 31m

Toronto Pearson Intl

Wed 9/12

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

2 stops49h 37m

C$ 538

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 26/11

6:09 p.m.-1:40 p.m.

1 stop18h 31m

Toronto Pearson Intl

Wed 9/12

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

2 stops49h 37m

C$ 540

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 3/12

6:13 p.m.-1:40 p.m.

1 stop18h 27m

Toronto Pearson Intl

Thu 10/12

12:20 p.m.-11:17 a.m.

2 stops23h 57m

C$ 545

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Wed 2/12

12:05 p.m.-5:10 p.m.

2 stops28h 05m

Toronto Pearson Intl

Sat 5/12

6:30 a.m.-12:12 a.m.

1 stop18h 42m

C$ 547

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 3/12

6:13 p.m.-1:40 p.m.

1 stop18h 27m

Toronto Pearson Intl

Thu 10/12

12:20 p.m.-11:17 a.m.

2 stops23h 57m

C$ 565

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 3/12

6:13 p.m.-1:40 p.m.

1 stop18h 27m

Toronto Pearson Intl

Thu 10/12

6:30 a.m.-12:12 a.m.

1 stop18h 42m

C$ 582

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Fri 5/2

5:59 p.m.-1:40 p.m.

1 stop18h 41m

Toronto Pearson Intl

Mon 8/2

6:30 a.m.-12:04 a.m.

1 stop18h 34m

C$ 585
Quickest round-trip

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Sat 12/12

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

Nonstop2h 00m

Toronto Pearson Intl

Sun 13/12

2:10 p.m.-3:26 p.m.

Nonstop2h 16m

C$ 1,168

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Sat 12/12

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

Nonstop2h 00m

Toronto Pearson Intl

Sun 13/12

2:35 p.m.-6:16 p.m.

1 stop4h 41m

C$ 1,254

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 Toronto from

How to get the cheapest flight ticket from St. Louis to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Toronto?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 703 to C$ 1,348.
The lowest price recently found on this route was C$ 538.

What is the cheapest month to fly to Toronto?

The month of March is, on average, the cheapest month to fly to Toronto from St. Louis, with most prices found around C$ 681. The month of February is another great option to travel to Toronto, with average flight prices from St. Louis averaging around C$ 696.

What is the cheapest day to depart on your flight to Toronto?

According to our data, Saturday is the cheapest day to fly to Toronto from St. Louis. The lowest ticket price found for a Saturday departure recently was C$ 334. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Toronto on a Thursday will generally be more expensive and average around C$ 1,040. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Toronto?

Flying to Toronto from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 334 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 779. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to Toronto flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Toronto flight prices

What cabin class options are available on St. Louis to Toronto flights?

There is only 1 cabin class available to choose from on St. Louis to Toronto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Toronto flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Toronto.

How have St. Louis to Toronto flight prices changed over time?

As of November 2026, prices for St. Louis to Toronto flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Toronto

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Toronto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Toronto (STL to YTO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Toronto

Best price found

C$ 284

Fastest flight time

1h 57m

Direct flights

Every day

Airports in Toronto

3 airports
The best one-way flight to Toronto from St. Louis in the past 72 hours is C$ 284. The best round-trip flight deal from St. Louis to Toronto found on momondo in the last 72 hours is C$ 524.
The fastest flight from St. Louis to Toronto takes 1h 57m
Direct flights go from St. Louis to Toronto every day.
There are 3 airports in Toronto. From St. Louis there are direct flights to Toronto Pearson Intl (YYZ).

Frequently asked questions about flying from St. Louis to Toronto

  • How far is Lambert-St Louis to Toronto by plane?

    There are 1062.1 km between Lambert-St Louis and Toronto. In terms of flight time, this usually takes a little over 1h 57m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Toronto?

    Prices for flights from Lambert-St Louis Airport to Toronto were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Toronto?

  • How old do you have to be to fly from Lambert-St Louis Airport to Toronto?

    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 from Lambert-St Louis Airport to Toronto.

  • What documentation or ID do you need to fly to Toronto?

    The necessary travel and health documents for your Toronto trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Toronto?

Best airlines flying from St. Louis to Toronto

Compare and see reviews for airlines that fly from St. Louis to Toronto with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 334Free CancellationRating
7.1
11,875 reviews
Search Air Canada flights
  • Air Canada Flights From St. Louis to Toronto

    The lowest priced Air Canada flight from St. Louis to Toronto from the last 72 hours was C$ 334. Generally, Air Canada has 5 flights on this route every week with an average price of C$ 809. Air Canada is rated 7.1/10 by our users.

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Apsley

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Toronto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Toronto . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Toronto with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Toronto from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Toronto?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Toronto from St. Louis.

I’m not ready to book a flight from St. Louis to Toronto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Toronto, momondo offers a useful price alert feature which will track prices for flights to Toronto from St. Louis and alert you when they change.

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1 adult
Tue 8/12
Tue 15/12

Find better results for your trip to Canada

Fly into one of these airports located in Toronto