£150 Cheap Flights from Toronto (YYZ) to St. Louis (STL)

View £150 flight on Wed, 3 Jun 2026Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from Toronto (YYZ) to St. Louis (STL)

Prices were available within the past 7 days and start at £150 for one-way flights and £298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 9 Jun - Tue, 16 Jun
YYZ
Toronto
STL
St. Louis
£298 Return, found 1 day ago
£298
Return
found 1 day ago
Select American Airlines flight, departing Tue, 9 Jun from Toronto to St. Louis, returning Tue, 16 Jun, priced at £298 found 1 day ago
American Airlines
Thu, 4 Jun - Sat, 6 Jun
YYZ
Toronto
STL
St. Louis
£314 Return, found 6 days ago
£314
Return
found 6 days ago
Select American Airlines flight, departing Thu, 4 Jun from Toronto to St. Louis, returning Sat, 6 Jun, priced at £314 found 6 days ago
American Airlines
Thu, 4 Jun - Sat, 6 Jun
YYZ
Toronto
STL
St. Louis
£326 Return, found 6 days ago
£326
Return
found 6 days ago
Select American Airlines flight, departing Thu, 4 Jun from Toronto to St. Louis, returning Sat, 6 Jun, priced at £326 found 6 days ago
Air Canada
Wed, 27 May - Wed, 3 Jun
YYZ
Toronto
STL
St. Louis
£333 Return, found 21 hours ago
£333
Return
found 21 hours ago
Select Air Canada flight, departing Wed, 27 May from Toronto to St. Louis, returning Wed, 3 Jun, priced at £333 found 21 hours ago
Air Canada
Wed, 27 May - Wed, 3 Jun
YYZ
Toronto
STL
St. Louis
£334 Return, found 21 hours ago
£334
Return
found 21 hours ago
Select Air Canada flight, departing Wed, 27 May from Toronto to St. Louis, returning Wed, 3 Jun, priced at £334 found 21 hours ago
Air Canada
Tue, 9 Jun - Tue, 16 Jun
YYZ
Toronto
STL
St. Louis
£335 Return, found 1 day ago
£335
Return
found 1 day ago
Select Air Canada flight, departing Tue, 9 Jun from Toronto to St. Louis, returning Tue, 16 Jun, priced at £335 found 1 day ago
Delta
Sun, 14 Jun - Sun, 21 Jun
YYZ
Toronto
STL
St. Louis
£336 Return, found 20 hours ago
£336
Return
found 20 hours ago
Select Delta flight, departing Sun, 14 Jun from Toronto to St. Louis, returning Sun, 21 Jun, priced at £336 found 20 hours ago
United
Tue, 9 Jun - Tue, 16 Jun
YYZ
Toronto
STL
St. Louis
£337 Return, found 1 day ago
£337
Return
found 1 day ago
Select United flight, departing Tue, 9 Jun from Toronto to St. Louis, returning Tue, 16 Jun, priced at £337 found 1 day ago
Delta
Tue, 9 Jun - Tue, 16 Jun
YYZ
Toronto
STL
St. Louis
£337 Return, found 1 day ago
£337
Return
found 1 day ago
Select Delta flight, departing Tue, 9 Jun from Toronto to St. Louis, returning Tue, 16 Jun, priced at £337 found 1 day ago
WestJet
Tue, 9 Jun - Tue, 16 Jun
YYZ
Toronto
STL
St. Louis
£416 Return, found 1 day ago
£416
Return
found 1 day ago
Select WestJet flight, departing Tue, 9 Jun from Toronto to St. Louis, returning Tue, 16 Jun, priced at £416 found 1 day ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from £333
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city centre20 min
Flights from £333

Frequently asked questions

How much does a flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
One-way flights typically cost between $596 and $1,794 and return flights often range between $1,159 and $3,098. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
January is typically the cheapest month to fly from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with average round-trip fares around 527 CAD. This is about 16% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) include May and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter YYZ to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will differ from traveler to traveler. If you like to fly early, AC offers early morning flights. If price is the most important factor, AC typically offers the lowest fares. DL offers the most daily flights from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Based on booking data from the past year, if you're looking for the best balance of price and flight options for a round-trip flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), you'll find that January and June offer the cheapest fares, averaging around 527 CAD. While these months are not listed as the most popular, you can still find good deals. If having plenty of flight options is your top priority, October and November are the most popular months, though prices might be higher, averaging around 980 CAD.*Prices based on flights available on Expedia in the last year.
How many flights per day from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 2 nonstop flights per day from Toronto Pearson International Airport (YYZ) to St. Louis Lambert-St. Louis International Airport (STL). For even more choice, look at flights that include layovers, as there are around 65 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), LaGuardia (LGA), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs at approximately 12:30 AM local time. This service is operated by Air Canada and United Airlines. This is a seasonal service active in March. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll typically find the most flights from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) on a Sunday, with around 64 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, American Airlines, and Air Canada. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Toronto Pearson Intl. (YYZ) to St. Louis Lambert-St. Louis Intl. (STL) are between 12pm and 3pm. About 31% of passengers prefer this time. Air Canada, Delta Air Lines and American Airlines offer flights during this window. Many travelers find this midday timing convenient as it allows for a relaxed start to the day and an afternoon arrival at your destination.
How long does it take to fly from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A nonstop flight from YYZ to STL typically takes around 2 hours 20 minutes, covering approximately 654 miles. Connecting flights on this route usually add 3 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Select the "Business class" and "First class" filters when looking for YYZ to STL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct, round-trip business class ticket from Toronto Pearson International Airport (YYZ) to St. Louis Lambert International Airport (STL) typically costs between 2,490 CAD - 3,484 CAD. You may also be able to find a cheaper business class journey between Toronto Pearson International Airport (YYZ) to St. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Pearson Intl. (YYZ)?
From Pearson Intl. (YYZ), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like Winnipeg James Armstrong Richardson Intl. (YWG), LaGuardia (LGA), Liberty Intl. (EWR) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Toronto, ON (YYZ-Pearson Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Travel information

Origin airport
Pearson Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Return price
£298
Distance
1046 km
Average flight time
1 hour 7 mins

Book with confidence

Compare flights from Toronto to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Toronto to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Pearson Intl. to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Pearson Intl. (YYZ) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Toronto to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Pearson Intl. to Lambert-St. Louis Intl. start at just £298 and range up to £416.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Toronto and St. Louis
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Toronto to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Pearson Intl. to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Toronto to St. Louis easily and book with confidence

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