CA $258 Cheap Flights from St. Louis (STL) to Toronto (YYZ)

View CA $258 flight on Tue, Aug. 12, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $258 for one-way flights and CA $462 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., Jun. 25 - Tue., Jul. 8
STL
St. Louis
YYZ
Toronto
CA $462 Roundtrip, found 6 days ago
CA $462
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed., Jun. 25 from St. Louis to Toronto, returning Tue., Jul. 8, priced at CA $462 found 6 days ago
American Airlines
Wed., Jun. 4 - Fri., Jun. 6
STL
St. Louis
YYZ
Toronto
CA $485 Roundtrip, found 6 days ago
CA $485
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed., Jun. 4 from St. Louis to Toronto, returning Fri., Jun. 6, priced at CA $485 found 6 days ago
American Airlines
Wed., Jun. 4 - Fri., Jun. 6
STL
St. Louis
YYZ
Toronto
CA $519 Roundtrip, found 6 days ago
CA $519
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed., Jun. 4 from St. Louis to Toronto, returning Fri., Jun. 6, priced at CA $519 found 6 days ago
American Airlines
Mon., Jun. 30 - Mon., Jun. 30
STL
St. Louis
YYZ
Toronto
CA $528 Roundtrip, found 6 days ago
CA $528
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon., Jun. 30 from St. Louis to Toronto, returning Mon., Jun. 30, priced at CA $528 found 6 days ago
American Airlines
Wed., Jun. 25 - Sat., Jul. 5
STL
St. Louis
YYZ
Toronto
CA $543 Roundtrip, found 6 days ago
CA $543
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed., Jun. 25 from St. Louis to Toronto, returning Sat., Jul. 5, priced at CA $543 found 6 days ago
American Airlines
Fri., May 16 - Sat., May 17
STL
St. Louis
YYZ
Toronto
CA $553 Roundtrip, found 6 days ago
CA $553
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri., May 16 from St. Louis to Toronto, returning Sat., May 17, priced at CA $553 found 6 days ago
American Airlines
Wed., Jun. 4 - Fri., Jun. 6
STL
St. Louis
YYZ
Toronto
CA $556 Roundtrip, found 6 days ago
CA $556
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed., Jun. 4 from St. Louis to Toronto, returning Fri., Jun. 6, priced at CA $556 found 6 days ago
American Airlines
Thu., Jul. 31 - Sun., Aug. 3
STL
St. Louis
YYZ
Toronto
CA $556 Roundtrip, found 5 days ago
CA $556
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu., Jul. 31 from St. Louis to Toronto, returning Sun., Aug. 3, priced at CA $556 found 5 days ago
Delta
Wed., Jun. 18 - Mon., Jun. 30
STL
St. Louis
YYZ
Toronto
CA $573 Roundtrip, found 6 days ago
CA $573
Roundtrip
found 6 days ago
Select Delta flight, departing Wed., Jun. 18 from St. Louis to Toronto, returning Mon., Jun. 30, priced at CA $573 found 6 days ago
American Airlines
Fri., Jun. 27 - Tue., Jul. 8
STL
St. Louis
YYZ
Toronto
CA $578 Roundtrip, found 6 days ago
CA $578
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri., Jun. 27 from St. Louis to Toronto, returning Tue., Jul. 8, priced at CA $578 found 6 days ago
Flight from St. Louis to Toronto (STL - YYZ) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Pearson Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
CA $462
Distance
1046 km

St. Louis to Toronto Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from St. Louis to Toronto with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from STL to YYZ and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from St. Louis to Toronto on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from STL to YYZ. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Toronto flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Lambert Field to Pearson Intl. Airport (YYZ)?
The lowest price advertised for a round-trip journey from Lambert-St. Louis Intl. Airport (STL) to Pearson Intl. Airport (YYZ) is CA $462. But you better move fast. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Toronto Pearson Airport?
Most flights can be canceled online, but each airline has its own terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Toronton Pearson that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert Field to Toronton Pearson flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from STL to Toronto Pearson Airport?
With a flight distance of 1,050 kilometers, it’s only a short hop from St. Louis Lambert International Airport to Pearson Intl. Airport (YYZ). It might be a quick flight, but it’s still worth packing a book to read.
Which airlines fly direct from Lambert Field to Toronton Pearson?
Offering 30 monthly flights, Air Canada (AC) is a great choice when flying straight from Lambert Field to YYZ.
Are STL to Pearson Intl. Airport (YYZ) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from Lambert Field to Toronto Pearson Airport showing up a few weeks before the departure date. If you’d rather plan ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.

Explore a world of travel with Expedia

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