Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Toronto Pearson Intl Airport from C$ 286

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 Pearson Intl Airport departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Toronto

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Toronto that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Toronto.

Cheap last-minute flights

Planning a quick getaway from St. Louis to Toronto? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Toronto, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Toronto

Find recent round-trip train or bus tickets from St. Louis to Toronto.

All round-trip flight deals to Toronto

The cheapest plane tickets to Toronto found on KAYAK recently.
4:28 p.m. - 11:55 p.m.STL-YYZ
30h 27m1 stop
8:00 p.m. - 11:31 p.m.YYZ-STL
28h 31m1 stop
C$ 342
Find Deal
Thu, 16 Jan - Wed, 22 Jan
4:28 p.m. - 11:55 p.m.STL-YYZ
30h 27m1 stop
7:05 a.m. - 2:43 p.m.YYZ-STL
8h 38m1 stop
C$ 424
Find Deal
Thu, 16 Jan - Sun, 19 Jan
6:05 a.m. - 4:11 p.m.STL-YYZ
9h 06m1 stop
5:05 p.m. - 8:58 a.m.YYZ-STL
16h 53m1 stop
C$ 666Delta
Find Deal
Wed, 8 Jan - Wed, 22 Jan
6:05 a.m. - 4:11 p.m.STL-YYZ
9h 06m1 stop
7:55 a.m. - 4:53 p.m.YYZ-STL
9h 58m1 stop
C$ 680Delta
Find Deal
Thu, 16 Jan - Wed, 22 Jan
5:40 a.m. - 5:35 p.m.STL-YYZ
10h 55m1 stop
6:15 a.m. - 4:20 p.m.YYZ-STL
11h 05m1 stop
C$ 682American Airlines
Find Deal
Tue, 21 Jan - Tue, 28 Jan
5:40 a.m. - 5:35 p.m.STL-YYZ
10h 55m1 stop
11:31 a.m. - 10:09 p.m.YYZ-STL
11h 38m1 stop
C$ 742American Airlines
Find Deal
Mon, 13 Jan - Wed, 15 Jan
2:49 p.m. - 3:05 p.m.STL-YYZ
23h 16m1 stop
4:10 p.m. - 2:25 p.m.YYZ-STL
23h 15m1 stop
C$ 798Alaska Airlines
Find Deal
Fri, 7 Feb - Fri, 14 Feb
3:21 p.m. - 2:55 p.m.STL-YYZ
22h 34m1 stop
4:10 p.m. - 2:25 p.m.YYZ-STL
23h 15m1 stop
C$ 850Alaska Airlines
Find Deal
Fri, 21 Feb - Sun, 23 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 953Air Canada
Find Deal
Wed, 8 Jan - Wed, 22 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 963Air Canada
Find Deal
Wed, 8 Jan - Wed, 22 Jan
9:50 a.m. - 9:08 p.m.STL-YYZ
10h 18m2 stops
C$ 286
Find Deal
Tue, 6 May
6:30 a.m. - 3:00 p.m.STL-YYZ
31h 30m1 stop
C$ 313Alaska Airlines
Find Deal
Tue, 6 May
4:05 p.m. - 7:00 p.m.STL-YYZ
1h 55mdirect
C$ 564Air Canada
Find Deal
Tue, 6 May
10:16 a.m. - 9:25 p.m.STL-YYZ
10h 09m1 stop
C$ 574American Airlines
Find Deal
Wed, 1 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
C$ 772Air Canada
Find Deal
Wed, 1 Jan
6:25 a.m. - 6:14 p.m.STL-YYZ
10h 49m2 stops
C$ 784United Airlines
Find Deal
Wed, 1 Jan
4:27 p.m. - 11:55 p.m.STL-YYZ
30h 28m1 stop
7:10 a.m. - 11:28 p.m.YYZ-STL
17h 18m1 stop
C$ 703
Find Deal
Thu, 26 Dec - Tue, 31 Dec
4:27 p.m. - 11:55 p.m.STL-YYZ
30h 28m1 stop
7:10 a.m. - 11:40 p.m.YYZ-STL
17h 30m1 stop
C$ 782
Find Deal
Thu, 26 Dec - Wed, 1 Jan
4:27 p.m. - 11:45 a.m.STL-YYZ
18h 18m2 stops
7:05 a.m. - 3:21 p.m.YYZ-STL
9h 16m1 stop
C$ 912
Find Deal
Thu, 26 Dec - Tue, 31 Dec
12:55 p.m. - 12:39 p.m.STL-YYZ
22h 44m2 stops
6:30 a.m. - 10:06 p.m.YYZ-STL
16h 36m1 stop
C$ 1,284WestJet
Find Deal
Fri, 27 Dec - Sun, 29 Dec
7:23 a.m. - 3:09 p.m.STL-YYZ
6h 46m1 stop
1:49 p.m. - 8:30 p.m.YYZ-STL
7h 41m1 stop
C$ 1,445American Airlines
Find Deal
Fri, 27 Dec - Sun, 29 Dec
10:13 a.m. - 10:30 p.m.STL-YYZ
11h 17m2 stops
7:15 a.m. - 3:54 p.m.YYZ-STL
9h 39m1 stop
C$ 1,682Delta
Find Deal
Fri, 27 Dec - Sun, 29 Dec
10:13 a.m. - 10:30 p.m.STL-YYZ
11h 17m2 stops
7:15 a.m. - 4:59 p.m.YYZ-STL
10h 44m2 stops
C$ 1,721Delta
Find Deal
Fri, 27 Dec - Sun, 29 Dec
10:13 a.m. - 4:14 p.m.STL-YYZ
5h 01m1 stop
7:00 p.m. - 10:06 p.m.YYZ-STL
28h 06m2 stops
C$ 2,049WestJet
Find Deal
Thu, 26 Dec - Tue, 31 Dec
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
6:52 a.m. - 10:47 a.m.YYZ-STL
4h 55m1 stop
C$ 2,209Air Canada
Find Deal
Fri, 27 Dec - Sun, 29 Dec
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 2,743Air Canada
Find Deal
Fri, 27 Dec - Sun, 29 Dec
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 887United Airlines
Find Deal
Thu, 16 Jan - Sun, 19 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 889United Airlines
Find Deal
Mon, 3 Feb - Mon, 10 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 953Air Canada
Find Deal
Wed, 8 Jan - Wed, 22 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 963Air Canada
Find Deal
Wed, 8 Jan - Wed, 22 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,040Air Canada
Find Deal
Wed, 8 Jan - Sat, 11 Jan
9:40 a.m. - 12:40 p.m.STL-YYZ
2h 00mdirect
2:10 p.m. - 3:16 p.m.YYZ-STL
2h 06mdirect
C$ 1,193United Airlines
Find Deal
Tue, 10 Jun - Tue, 17 Jun

Delta flights from St. Louis to Toronto Pearson Intl Airport

Our best Delta deals on St. Louis to Toronto Pearson Intl Airport flight tickets
Delta
8 Jan
STL6:05 a.m.Lambert-St Louis
9h 06m
1 stop
YYZ4:11 p.m.Toronto Pearson Intl
22 Jan
YYZ5:05 p.m.Toronto Pearson Intl
16h 53m
1 stop
STL8:58 a.m.Lambert-St Louis
Delta
16 Jan
STL6:05 a.m.Lambert-St Louis
9h 06m
1 stop
YYZ4:11 p.m.Toronto Pearson Intl
22 Jan
YYZ7:55 a.m.Toronto Pearson Intl
9h 58m
1 stop
STL4:53 p.m.Lambert-St Louis
Delta
8 Jan
STL6:05 a.m.Lambert-St Louis
9h 06m
1 stop
YYZ4:11 p.m.Toronto Pearson Intl
22 Jan
YYZ7:55 a.m.Toronto Pearson Intl
9h 58m
1 stop
STL4:53 p.m.Lambert-St Louis

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
21 Jan
STL5:40 a.m.Lambert-St Louis
10h 55m
1 stop
YYZ5:35 p.m.Toronto Pearson Intl
28 Jan
YYZ6:15 a.m.Toronto Pearson Intl
11h 05m
1 stop
STL4:20 p.m.Lambert-St Louis
American Airlines
13 Jan
STL5:40 a.m.Lambert-St Louis
10h 55m
1 stop
YYZ5:35 p.m.Toronto Pearson Intl
15 Jan
YYZ11:31 a.m.Toronto Pearson Intl
11h 38m
1 stop
STL10:09 p.m.Lambert-St Louis
American Airlines
8 Jan
STL5:40 a.m.Lambert-St Louis
10h 55m
1 stop
YYZ5:35 p.m.Toronto Pearson Intl
11 Jan
YYZ6:15 a.m.Toronto Pearson Intl
8h 52m
1 stop
STL2:07 p.m.Lambert-St Louis

See travel insights to Toronto from

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

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?

If you aren’t able to travel during the month of May, then book flights to Toronto Pearson Intl Airport from St. Louis during February instead. Flights to Toronto Pearson Intl Airport in February, while not as cheap as those in May, still average around C$ 385.

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

Our data shows that Monday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 0. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Toronto Pearson Intl Airport for around C$ 765.

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

Our data shows that the cheapest St. Louis to Toronto Pearson Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Toronto Pearson Intl Airport in the evening for as low as C$ 0. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 805 on average. Flights to Toronto Pearson Intl Airport from St. Louis in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

How far in advance should I book a flight to Toronto Pearson Intl Airport?

In general, most travellers find the cheapest time to book a flight to Toronto Pearson Intl Airport is about 53 days prior to their departure date, when tickets on average are C$ 631. Keep in mind that you might also find cheap flights to Toronto Pearson Intl Airport outside of this time window. In fact, momondo users recently found flights from St. Louis to Toronto Pearson Intl Airport for C$ 405.

What cabin class options are available on Lambert-St Louis to Toronto Pearson Intl flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Toronto Pearson Intl 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 49% 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 December 2024, prices for St. Louis to Toronto Pearson Intl Airport flights are approximately 32% 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

C$ 286

Fastest flight time

1h 55m

Direct flights

Tue, Wed, Thu and Fri
The best one-way flight to Toronto Pearson Intl Airport from St. Louis in the past 72 hours is C$ 286. The best round-trip flight deal from St. Louis to Toronto Pearson Intl Airport found on momondo in the last 72 hours is C$ 342.
The fastest flight from St. Louis to Toronto Pearson Intl Airport takes 1h 55m
Direct flights go from St. Louis to Toronto Pearson Intl Airport on Tuesday, Wednesday, Thursday and Friday. Airlines offering direct flights are: United Airlines and Air Canada.

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

    Lambert-St Louis and Toronto Pearson Intl are 1047.0 km apart from one another. By plane, this route typically takes 1h 55m.

  • 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?

  • How old do you have to be to fly from Lambert-St Louis Airport to Toronto Pearson Intl 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 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 necessary travel and health documents for your Toronto Pearson Intl Airport 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 Pearson Intl Airport?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 371Free CancellationRating
7.0
8,426 reviews
Search Air Canada flights
  • Air Canada Flights From St. Louis to Toronto Pearson Intl Airport

    Air Canada operates around 3 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 C$ 558, but momondo users have found Air Canada deals from St. Louis to Toronto Pearson Intl Airport from as low as C$ 258 round-trip. Air Canada has been scored 7.0/10 in 8,426 reviews.


Why use momondo?

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

It is quick and easy to find St. Louis to Toronto flights 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 Toronto that suits you.

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 for St. Louis to Toronto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for St. Louis to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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.
1 adult
From?
To?
Mon 30/12
Mon 6/1
Email me momondo's favourite deals

Find better results for your trip to Toronto