What airlines fly to Toronto Pearson Intl Airport?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Toronto Pearson Intl Airport from St. Louis according to our data. Air Canada is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Toronto Pearson Intl Airport. Keep in mind that there are 4 different airlines that fly to Toronto Pearson Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport are updated daily.

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

As of October 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Toronto Pearson Intl Airport.

What documentation or ID do you need to fly to Toronto Pearson Intl Airport?

The required travel and health documents for your Toronto Pearson Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Toronto Pearson Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$165 Cheap Flights from St. Louis to Toronto Pearson Intl Airport in 2026/27

Q: How many flights depart from St. Louis to Toronto Pearson Intl Airport on average per week?

As of October 2026, 24 flights take off from St. Louis and land in Toronto Pearson Intl Airport each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

Q: How many flights depart from St. Louis to Toronto Pearson Intl Airport on average per day?

The number of flights available between St. Louis and Toronto Pearson Intl Airport is 3 per day as of October 2026. The most frequent departure time is 8:00AM, with 50% of daily flights leaving at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Toronto

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:13 pm - 1:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

18h 27m1 stop Orlando

6:30 am - 12:12 amYYZ Toronto Pearson Intl-STL Lambert-St Louis

18h 42m1 stop Orlando

$441Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

6:34 pm - 10:46 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

27h 12m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

6:30 am - 11:59 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

18h 29m1 stop Orlando

$445Multiple Airlines

Mon, Nov 16 - Mon, Nov 23

6:59 am - 4:33 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 34m1 stop Washington, D.C. Reagan-National

7:00 am - 3:45 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 45m1 stop New York LaGuardia

$485American Airlines

Tue, Dec 1 - Thu, Dec 3

7:00 am - 4:34 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 34m1 stop Washington, D.C. Reagan-National

12:44 pm - 9:38 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 54m1 stop Washington, D.C. Reagan-National

$554American Airlines

Tue, Nov 17 - Wed, Nov 18

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$668Air Canada

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$806Air Canada

Fri, Dec 11 - Sun, Dec 13

3:15 pm - 9:57 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

5h 42m1 stop Atlanta Hartsfield-Jackson

10:00 am - 8:32 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

11h 32m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$833Delta

Thu, Nov 26 - Wed, Dec 9

6:32 am - 6:00 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

10h 28m2 stops Detroit Metropolitan Wayne County New York LaGuardia

10:00 am - 8:32 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

11h 32m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$835Delta

Thu, Dec 3 - Thu, Dec 10

6:50 pm - 11:59 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 09m1 stop Chicago O'Hare Intl

7:26 pm - 11:24 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

4h 58m1 stop Chicago O'Hare Intl

$939United Airlines

Fri, Nov 6 - Sun, Nov 8

6:00 am - 3:56 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 56m1 stop Newark

12:55 pm - 10:15 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

10h 20m1 stop Newark

$978United Airlines

Fri, Dec 11 - Sun, Dec 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 1:42 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

4h 42m1 stop Chicago O'Hare Intl

1:15 pm - 8:57 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 42m1 stop Chicago O'Hare Intl

$683Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

8:00 pm - 1:40 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

40h 40m2 stops Denver Intl Orlando

6:30 am - 11:16 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

17h 46m1 stop Orlando

$802Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

4:15 pm - 11:03 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

5h 48m1 stop New York LaGuardia

7:15 am - 3:45 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 30m1 stop New York LaGuardia

$1,099American Airlines

Fri, Oct 23 - Fri, Oct 30

4:15 pm - 11:03 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

5h 48m1 stop New York LaGuardia

12:47 pm - 8:52 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

9h 05m1 stop New York LaGuardia

$1,177American Airlines

Fri, Oct 23 - Fri, Oct 30

1:02 pm - 9:17 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 15m1 stop New York LaGuardia

10:04 am - 5:19 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 15m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$1,298Delta

Fri, Oct 23 - Fri, Oct 30

2:38 pm - 11:36 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 58m2 stops Detroit Metropolitan Wayne County New York LaGuardia

2:30 pm - 8:51 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

7h 21m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$1,303Delta

Fri, Oct 23 - Fri, Oct 30

12:20 pm - 7:00 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

5h 40m1 stop Newark

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$1,367United Airlines

Fri, Oct 23 - Fri, Oct 30

12:20 pm - 8:41 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

7h 21m1 stop Newark

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$1,370United Airlines

Fri, Oct 23 - Fri, Oct 30

2:40 pm - 5:34 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$1,497Air Canada

Fri, Oct 23 - Fri, Oct 30

8:55 am - 11:49 amSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$1,497Air Canada

Fri, Oct 23 - Fri, Oct 30

Cheap direct flights

Enter your travel dates to find the best prices.

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$668Air Canada

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$806Air Canada

Fri, Dec 11 - Sun, Dec 13

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$807Air Canada

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$809Air Canada

Sat, Dec 12 - Sun, Dec 13

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$1,054United Airlines

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$1,054Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$1,129Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

4:10 pm - 7:07 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 57mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$1,393United Airlines

Fri, Apr 9 - Tue, Apr 13

4:05 pm - 7:05 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

2h 00mnonstop

2:10 pm - 3:26 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 16mnonstop

$1,516United Airlines

Sun, Nov 15 - Sun, Nov 22

4:05 pm - 6:59 pmSTL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mnonstop

2:10 pm - 3:23 pmYYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 13mnonstop

$1,759United Airlines

Fri, Oct 30 - Mon, Nov 2

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American Airlines flights from St. Louis to Toronto Pearson Intl Airport

Our best American Airlines deals on St. Louis to Toronto Pearson Intl Airport flight tickets

American Airlines

Dec 1

STL6:59 amLambert-St Louis

8h 34m

1 stop

YYZ4:33 pmToronto Pearson Intl

Dec 3

YYZ7:00 amToronto Pearson Intl

9h 45m

1 stop

STL3:45 pmLambert-St Louis

$485

American Airlines

Nov 14

STL1:20 pmLambert-St Louis

9h 26m

1 stop

YYZ11:46 pmToronto Pearson Intl

Nov 16

YYZ12:44 pmToronto Pearson Intl

9h 54m

1 stop

STL9:38 pmLambert-St Louis

$561

American Airlines

Nov 11

STL7:26 amLambert-St Louis

9h 15m

1 stop

YYZ5:41 pmToronto Pearson Intl

Nov 13

YYZ3:15 pmToronto Pearson Intl

9h 44m

1 stop

STL11:59 pmLambert-St Louis

$570

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Toronto Pearson Intl Airport 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

Thu 12/3

6:13 pm-1:40 pm

1 stop18h 27m

Toronto Pearson Intl

Thu 12/10

6:30 am-12:12 am

1 stop18h 42m

$441

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Mon 11/16

6:34 pm-10:46 pm

2 stops27h 12m

Toronto Pearson Intl

Mon 11/23

6:30 am-11:59 pm

1 stop18h 29m

$445

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Tue 12/1

6:59 am-4:33 pm

1 stop8h 34m

Toronto Pearson Intl

Thu 12/3

7:00 am-3:45 pm

1 stop9h 45m

$485

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Tue 11/17

7:00 am-4:34 pm

1 stop8h 34m

Toronto Pearson Intl

Wed 11/18

12:44 pm-9:38 pm

1 stop9h 54m

$554

Quickest round-trip

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Fri 11/6

4:05 pm-7:05 pm

Nonstop2h 00m

Toronto Pearson Intl

Sun 11/8

2:10 pm-3:26 pm

Nonstop2h 16m

$668

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Fri 12/11

4:05 pm-7:05 pm

Nonstop2h 00m

Toronto Pearson Intl

Sun 12/13

2:10 pm-3:26 pm

Nonstop2h 16m

$806

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 11/26

3:15 pm-9:57 pm

1 stop5h 42m

Toronto Pearson Intl

Wed 12/9

10:00 am-8:32 pm

2 stops11h 32m

$833

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Thu 12/3

6:32 am-6:00 pm

2 stops10h 28m

Toronto Pearson Intl

Thu 12/10

10:00 am-8:32 pm

2 stops11h 32m

$835

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Fri 11/6

6:50 pm-11:59 pm

1 stop4h 09m

Toronto Pearson Intl

Sun 11/8

7:26 pm-11:24 pm

1 stop4h 58m

$939

St. LouisToronto

STL Lambert-St Louis - YYZ Toronto Pearson Intl

STLYYZ

Lambert-St Louis

Fri 12/11

6:00 am-3:56 pm

1 stop8h 56m

Toronto Pearson Intl

Sun 12/13

12:55 pm-10:15 pm

1 stop10h 20m

$978

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $453 to $884.
The lowest price recently found on this route was $441.

What is the cheapest month to fly to Toronto Pearson Intl Airport?

The cheapest month to fly to Toronto Pearson Intl Airport from St. Louis is in December. Flight prices, which tend to average around $466, are often lower during this time because this is during the off-season. If you don’t want to visit Toronto Pearson Intl Airport in December, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $482.

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

The cheapest day to depart from St. Louis to Toronto Pearson Intl Airport is on a Friday when prices can be found for as low as $786. The most expensive day to fly to Toronto Pearson Intl Airport is Saturday, with ticket prices averaging around $971.

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

Flying to Toronto Pearson Intl Airport from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $709 when looking at flights departing in the morning. Flights at noon are often more expensive with an average ticket price of $1,065.

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

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

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

There are 4 cabin classes available to choose from on St. Louis to Toronto Pearson Intl Airport 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 Pearson Intl Airport flights?

You could potentially save up to 43% on your flight if you consider stops on a St. Louis to Toronto Pearson Intl Airport flight.

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

As of October 2026, prices for St. Louis to Toronto Pearson Intl Airport flights are approximately 80% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Toronto Pearson Intl Airport

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

Estimated round-trip price

Cheap St. Louis to Toronto Pearson Intl Airport (STL to YYZ) flight deals and tips

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

Best Price Found	$165
Fastest flight time	1h 54m
Direct flights	Every day

The best one-way flight to Toronto Pearson Intl Airport from St. Louis in the past 72 hours is $165. The best round-trip flight deal from St. Louis to Toronto Pearson Intl Airport found on momondo in the last 72 hours is $441.

The fastest flight from St. Louis to Toronto Pearson Intl Airport takes 1h 54m

Direct flights go from St. Louis to Toronto Pearson Intl Airport every day.

Search flight deals

Frequently asked questions about flying from St. Louis to Toronto Pearson Intl Airport

How far is Lambert-St Louis to Toronto Pearson Intl by plane?
A flight from Lambert-St Louis to Toronto Pearson Intl will travel around 650.6 mi. In terms of flight time, this usually takes a little over 1h 54m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport?
Prices for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport?
As of October 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Toronto Pearson Intl Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Toronto Pearson Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Toronto Pearson Intl Airport.
What documentation or ID do you need to fly to Toronto Pearson Intl Airport?
The required travel and health documents for your Toronto Pearson Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Toronto Pearson Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from St. Louis to Toronto Pearson Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Toronto Pearson Intl Airport is Canadair (Bombardier) Regional Jet 900, representing 47.06% of all bookings. The subsequent popular models are Embraer 175 at 29.41%, Boeing 787-8 Dreamliner at 5.88%, and Boeing 787-9 Dreamliner at 3.92%.
What is the most popular airline from St. Louis to Toronto Pearson Intl Airport?
Based on momondo bookings for flights between St. Louis and Toronto Pearson Intl Airport, the leading airline is Air Canada, making up 72% of the total bookings. Other popular airlines include United Airlines with 12%, American Airlines with 10%, and Delta with 6%.

Best airlines flying from St. Louis to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Toronto Pearson Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $246	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $253	Free Cancellation	Rating 7.3 10,387 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.0 12,181 reviews	Search American Airlines flights
Air Canada	PriceFrom $272	Free Cancellation	Rating 7.1 11,784 reviews	Search Air Canada flights

United Airlines Flights From St. Louis to Toronto Pearson Intl Airport
United Airlines operates around 14 flights from St. Louis to Toronto Pearson Intl Airport every week. The average price of these flights found in the last 72 hours has been $632, but momondo users have found United Airlines deals from St. Louis to Toronto Pearson Intl Airport from as low as $253 round-trip. United Airlines has been scored 7.3/10 in 10,387 reviews.
Air Canada Flights From St. Louis to Toronto Pearson Intl Airport
Air Canada (7.1/10 from 11,784 reviews) operates around 14 flights from St. Louis to Toronto Pearson Intl Airport in any given week. The average Air Canada airfare for this route is around $604, with deals from around $272 rare but found on momondo. Referenced prices are for round-trip St. Louis to Toronto Pearson Intl Airport flight searches in the last 72 hours.

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Why use momondo?

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

Finding the right flight to Toronto from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Toronto quick and easy, saving you time and money.

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

All flight searches from St. Louis to Toronto on momondo can be filtered to show those which offer flexible booking policies.

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.

An easier way to manage your Toronto Pearson Intl Airport trip

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Flights to Toronto Island Airportfrom $180

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Flights to Toronto Region of Waterloo Intl Airportfrom $664

Cheap flights from St. Louis to Toronto from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Toronto departing on 12/2. 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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American Airlines flights from St. Louis to Toronto Pearson Intl Airport

Our best American Airlines deals on St. Louis to Toronto Pearson Intl Airport flight tickets

momondo Fare Finder

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

See travel insights to Toronto from

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

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

What is the cheapest month to fly to Toronto Pearson Intl Airport?

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

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

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

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

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

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

What airlines fly to Toronto Pearson Intl Airport?

How many flights depart from St. Louis to Toronto Pearson Intl Airport on average per day?

How many flights depart from St. Louis to Toronto Pearson Intl Airport on average per week?

When to book flights from St. Louis to Toronto Pearson Intl Airport

Cheap St. Louis to Toronto Pearson Intl Airport (STL to YYZ) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Toronto Pearson Intl Airport

Best airlines flying from St. Louis to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Toronto Pearson Intl Airport with momondo

Traveling to a place near Toronto?

Why use momondo?

An easier way to manage your Toronto Pearson Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Toronto

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