$188 Cheap Flights from Toronto (YYZ) to St. Louis (STL)

View $188 flight on Mon, May 19, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $188 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jul 8 - Wed, Jul 9
YYZ
Toronto
STL
St. Louis
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 8 from Toronto to St. Louis, returning Wed, Jul 9, priced at $319 found 1 day ago
United
Thu, May 22 - Mon, May 26
YYZ
Toronto
STL
St. Louis
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 22 from Toronto to St. Louis, returning Mon, May 26, priced at $350 found 2 days ago
Delta
Thu, May 22 - Mon, May 26
YYZ
Toronto
STL
St. Louis
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 22 from Toronto to St. Louis, returning Mon, May 26, priced at $351 found 2 days ago
American Airlines
Tue, May 13 - Sat, May 17
YYZ
Toronto
STL
St. Louis
$352 Roundtrip, found 2 days ago
$352
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, May 13 from Toronto to St. Louis, returning Sat, May 17, priced at $352 found 2 days ago
Delta
Thu, Jun 12 - Thu, Jun 19
YYZ
Toronto
STL
St. Louis
$353 Roundtrip, found 14 hours ago
$353
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Jun 12 from Toronto to St. Louis, returning Thu, Jun 19, priced at $353 found 14 hours ago
American Airlines
Thu, May 22 - Tue, May 27
YYZ
Toronto
STL
St. Louis
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, May 22 from Toronto to St. Louis, returning Tue, May 27, priced at $360 found 1 day ago
Air Canada
Thu, May 22 - Mon, May 26
YYZ
Toronto
STL
St. Louis
$361 Roundtrip, found 2 days ago
$361
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, May 22 from Toronto to St. Louis, returning Mon, May 26, priced at $361 found 2 days ago
American Airlines
Thu, Jul 10 - Thu, Jul 17
YYZ
Toronto
STL
St. Louis
$362 Roundtrip, found 2 days ago
$362
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jul 10 from Toronto to St. Louis, returning Thu, Jul 17, priced at $362 found 2 days ago
Air Canada
Wed, Oct 1 - Sat, Oct 4
YYZ
Toronto
STL
St. Louis
$363 Roundtrip, found 6 days ago
$363
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Oct 1 from Toronto to St. Louis, returning Sat, Oct 4, priced at $363 found 6 days ago
WestJet
Tue, Jul 22 - Sat, Jul 26
YYZ
Toronto
STL
St. Louis
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Select WestJet flight, departing Tue, Jul 22 from Toronto to St. Louis, returning Sat, Jul 26, priced at $472 found 2 days ago

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag cheap return tickets starting from $359 from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving YYZ on May 9 2025 and touching down at STL. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from YYZ to STL?
The cheapest flights from YYZ to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
Hop on a nonstop flight with Air Canada and go straight from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from YYZ to STL?
With prices starting from $204 for a one-way journey from YYZ to STL, Air Canada is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YYZ on May 14 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
On average, just 1 direct flight departs daily from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL). Need other options? Use our filter tool to find flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
Flights between YYZ and STL are their busiest at 1 PM. If you’d like a more relaxed atmosphere and possibly cheaper fares, choose a departure that’s outside typical rush times.
What day of the week has the most flights from YYZ to STL?
If you travel on a Wednesday, you’ll get the biggest range of options for flights from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
Catch the earliest flight at around 1:50PM UTC-5, heading out of Pearson Intl. Airport (YYZ). You’ll be in the air for around 2h 16m, landing at Lambert-St. Louis Intl. Airport (STL) at approximately 3:06PM UTC-6.
How long does it take to fly from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
Flights from YYZ to STL have an average travel time of 2 hours and 16 minutes. The total distance between the two airports is 650 mi.
What is the best time to fly from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
To arrive at Lambert-St. Louis Intl. Airport (STL) on schedule, opt for a flight that leaves from Pearson Intl. Airport (YYZ) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for St. Louis from Pearson Intl. Airport (YYZ)?
Lambert-St. Louis Intl. Airport (STL) is the only airport in St. Louis with direct flights from Pearson Intl. Airport (YYZ). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from YYZ to STL shortly before your trip is typically more expensive. But if you’re flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a YYZ to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a YYZ to STL flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to Lambert-St. Louis Intl. Airport (STL)?
Typically, you can cancel or modify your YYZ to STL flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.
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