Cheap flights from St. Louis to Toronto from C$ 261
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 departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from St. Louis to Toronto Pearson Intl Airport
Our best American Airlines deals on St. Louis to Toronto Pearson Intl Airport flight tickets
United Airlines flights from St. Louis to Toronto Pearson Intl Airport
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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 typical price of a round-trip flight between St. Louis and Toronto Pearson Intl Airport?
What is the cheapest month to fly to Toronto Pearson Intl Airport?
If you aren’t able to travel during the month of January, then book flights to Toronto Pearson Intl Airport from St. Louis during October instead. Flights to Toronto Pearson Intl Airport in October, while not as cheap as those in January, still average around C$ 409.
What is the cheapest day to depart on your flight to Toronto Pearson Intl Airport?
Our data shows that Thursday 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$ 357. 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$ 927.
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 at noon. Our users have found flights to Toronto Pearson Intl Airport at noon for as low as C$ 377. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 927 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around C$ 645 when searching 23 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$ 305 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 many flights depart from St. Louis to Toronto Pearson Intl Airport on average per week?
6 flights are operational weekly from St. Louis to Toronto Pearson Intl Airport as of May 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.
When to book flights from St. Louis to Toronto Pearson Intl Airport
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
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?
As of May 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between St. Louis and Toronto Pearson Intl Airport, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 49.83% of the total bookings. Other popular models include Airbus A220-300 with 37.21%, Boeing 777-300ER with 2.99%, and Boeing 777-200/200ER with 1.33%.
What is the most popular airline from St. Louis to Toronto Pearson Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Toronto Pearson Intl Airport is Air Canada (100% of total bookings).
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 | ||
|---|---|---|---|---|---|
| PriceFrom C$ 301 | Free Cancellation | Rating 7.0 9,252 reviews |
Air Canada Flights From St. Louis to Toronto Pearson Intl Airport
Air Canada operates around 3 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$ 543, but momondo users have found Air Canada deals from St. Louis to Toronto Pearson Intl Airport from as low as C$ 218 round-trip. Air Canada has been scored 7.0/10 in 9,245 reviews.
Travelling to a place near Toronto?
Book flights to Toronto if you plan to visit one of these locationsWhy 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.