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

Popular airlines from St. Louis, MO (SUS-Spirit of St. Louis) to Toronto Pearson Intl. Airport (YYZ)

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Frequently asked questions

How much does a flight from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ) cost?
Lock in a cheap one-way flight or cheap return flight from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
Flying in is a good way to save, as it's the cheapest month for flights between SUS and YYZ. You'll typically find the lowest prices during the off-season.
Which airlines fly direct from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
You can't fly direct to Pearson Intl. Airport (YYZ) from St. Louis, MO (SUS-Spirit of St. Louis). However, you can easily journey to Toronto without any layovers by taking off from Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SUS to YYZ flight.
How many flights per day from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
There are no daily nonstop flights available from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SUS to YYZ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
To reach Pearson Intl. Airport (YYZ) on time, opt for a flight that takes off from Spirit of St. Louis Airport (SUS) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ) last-minute?
Waiting until right before your break to book your flight from SUS to YYZ often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a SUS to YYZ flight and hotel package?
Compared with arranging flights and hotels separately, booking a SUS to YYZ flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Spirit of St. Louis Airport (SUS) to Pearson Intl. Airport (YYZ)?
Typically, you're able to reschedule or cancel your SUS to YYZ flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Spirit of St. Louis
Destination airport
Pearson Intl.
Distance
669 mi

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St. Louis to Toronto Flights

The cheapest times to fly from St. Louis to Toronto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Toronto are during the month of . You can find some of the cheapest flights from St. Louis to Toronto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Toronto

Sunday is one of the best days to book for cheap flights from St. Louis to Toronto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Toronto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Toronto in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Toronto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Toronto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Toronto Flights

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*Available to One Key members.