Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Toronto Pearson Intl Airport from C$ 160

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Deals available from 900+ travel sites.

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.
4:00 p.m. - 6:25 p.m.STL-YYZ
25h 25m3 stops
7:05 a.m. - 2:42 p.m.YYZ-STL
8h 37m1 stop
C$ 425
Find Deal
Tue, 25 Feb - Thu, 27 Feb
4:00 p.m. - 1:55 p.m.STL-YYZ
20h 55m2 stops
7:05 a.m. - 2:42 p.m.YYZ-STL
8h 37m1 stop
C$ 428
Find Deal
Tue, 25 Feb - Thu, 27 Feb
1:05 p.m. - 11:40 p.m.STL-YYZ
9h 35m1 stop
10:05 a.m. - 5:51 p.m.YYZ-STL
8h 46m1 stop
C$ 626Delta
Find Deal
Wed, 19 Mar - Tue, 25 Mar
6:06 a.m. - 5:53 p.m.STL-YYZ
10h 47m1 stop
6:43 p.m. - 5:57 p.m.YYZ-STL
24h 14m1 stop
C$ 655Delta
Find Deal
Thu, 27 Feb - Fri, 28 Feb
10:22 a.m. - 6:17 a.m.STL-YYZ
18h 55m2 stops
6:15 a.m. - 9:02 p.m.YYZ-STL
15h 47m1 stop
C$ 679WestJet
Find Deal
Wed, 26 Feb - Fri, 28 Feb
7:29 a.m. - 9:32 p.m.STL-YYZ
13h 03m1 stop
1:14 p.m. - 10:03 p.m.YYZ-STL
9h 49m1 stop
C$ 711American Airlines
Find Deal
Tue, 25 Feb - Fri, 28 Feb
6:30 a.m. - 12:25 p.m.STL-YYZ
4h 55m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 767Air Canada
Find Deal
Sat, 1 Mar - Fri, 7 Mar
6:00 a.m. - 5:30 p.m.STL-YYZ
10h 30m1 stop
10:50 a.m. - 7:58 p.m.YYZ-STL
10h 08m1 stop
C$ 781American Airlines
Find Deal
Sat, 1 Mar - Fri, 7 Mar
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$ 784Air Canada
Find Deal
Sun, 23 Feb - Fri, 7 Mar
10:22 a.m. - 11:07 p.m.STL-YYZ
11h 45m1 stop
6:30 a.m. - 10:59 a.m.YYZ-STL
5h 29m1 stop
C$ 1,029WestJet
Find Deal
Sat, 1 Mar - Sun, 2 Mar

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
19 Mar
STL1:05 p.m.Lambert-St Louis
9h 35m
1 stop
YYZ11:40 p.m.Toronto Pearson Intl
25 Mar
YYZ10:05 a.m.Toronto Pearson Intl
8h 46m
1 stop
STL5:51 p.m.Lambert-St Louis
Delta
27 Feb
STL6:06 a.m.Lambert-St Louis
10h 47m
1 stop
YYZ5:53 p.m.Toronto Pearson Intl
28 Feb
YYZ6:43 p.m.Toronto Pearson Intl
24h 14m
1 stop
STL5:57 p.m.Lambert-St Louis
Delta
1 Mar
STL8:50 a.m.Lambert-St Louis
27h 36m
1 stop
YYZ1:26 p.m.Toronto Pearson Intl
2 Mar
YYZ5:05 p.m.Toronto Pearson Intl
16h 49m
1 stop
STL8:54 a.m.Lambert-St Louis

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

Our best United Airlines deals on St. Louis to Toronto Pearson Intl Airport flight tickets
United Airlines
20 Feb
STL1:03 p.m.Lambert-St Louis
9h 08m
1 stop
YYZ11:11 p.m.Toronto Pearson Intl
23 Feb
YYZ6:40 p.m.Toronto Pearson Intl
22h 00m
1 stop
STL3:40 p.m.Lambert-St Louis
United Airlines
8 Mar
STL5:33 p.m.Lambert-St Louis
20h 12m
1 stop
YYZ2:45 p.m.Toronto Pearson Intl
16 Mar
YYZ9:00 p.m.Toronto Pearson Intl
19h 31m
1 stop
STL3:31 p.m.Lambert-St Louis
United Airlines
5 Jun
STL8:10 a.m.Lambert-St Louis
13h 57m
1 stop
YYZ11:07 p.m.Toronto Pearson Intl
15 Jun
YYZ12:00 p.m.Toronto Pearson Intl
4h 44m
1 stop
STL3:44 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 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$ 386.

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 Sunday, 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$ 967.

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$ 815 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?

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from St. Louis when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around C$ 629 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from St. Louis for as low as C$ 360 on momondo.

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.

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

As of January 2025, prices for St. Louis to Toronto Pearson Intl Airport flights are approximately 22% 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$ 160

Fastest flight time

1h 55m

Direct flights

Every day
The best one-way flight to Toronto Pearson Intl Airport from St. Louis in the past 72 hours is C$ 160. The best round-trip flight deal from St. Louis to Toronto Pearson Intl Airport found on momondo in the last 72 hours is C$ 425.
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 every day.

  • 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$ 372Free CancellationRating
7.0
8,640 reviews
Search Air Canada flights
  • Air Canada Flights From St. Louis to Toronto Pearson Intl Airport

    Air Canada operates around 2 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 8,641 reviews.


Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Niagara Falls
Mississauga
Brampton
Markham
Collingwood
Oshawa
Vaughan
Niagara-on-the-Lake
Barrie
Muskoka
Kitchener
Burlington
Oakville
Brantford
Orillia
Peterborough
Guelph
Gravenhurst
Cambridge
Waterloo

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?
Tue 4/2
Tue 11/2
Email me momondo's favourite deals

Find better results for your trip to Toronto