Cheap flights from St. Louis to Toronto from C$ 159
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 9/8. 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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Air Canada flights from St. Louis to Toronto
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American Airlines flights from St. Louis to Toronto
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How to get the cheapest flight ticket from St. Louis to Toronto
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?
What is the cheapest month to fly to Toronto?
The month of January is, on average, the cheapest month to fly to Toronto from St. Louis, with most prices found around C$ 424. The month of April is another great option to travel to Toronto, with average flight prices from St. Louis averaging around C$ 426.
What is the cheapest day to depart on your flight to Toronto?
According to our data, Thursday is the cheapest day to fly to Toronto from St. Louis. The lowest ticket price found for a Thursday departure recently was C$ 350. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Toronto on a Sunday will generally be more expensive and average around C$ 911. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Toronto?
Flying to Toronto from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 582 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around C$ 767. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lambert-St Louis to Toronto flight route?
Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Toronto flight prices
How far in advance should I book a flight to Toronto?
You are more likely to see cheaper flights to Toronto from St. Louis when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around C$ 628 when searching 23 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from St. Louis for as low as C$ 300 on momondo.
What cabin class options are available on Lambert-St Louis to Toronto flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Toronto 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 on average per day?
As of June 2025, there are 3 flights per day flying from St. Louis to Toronto. The most common time of day flights depart is 7:00a.m., with 50% of flights taking off at noon.
How many flights depart from St. Louis to Toronto on average per week?
23 flights are operational weekly from St. Louis to Toronto as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
When to book flights from St. Louis to Toronto
Cheap St. Louis to Toronto (STL to YTO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Toronto
Best price found | C$ 159 |
|---|---|
Fastest flight time | 1h 55m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Toronto | 1 airport |
How far is Lambert-St Louis to Toronto by plane?
There are 1062.1 km between Lambert-St Louis and Toronto. In terms of flight time, this usually takes a little over 1h 55m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Toronto?
Prices for flights from Lambert-St Louis Airport to Toronto were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Toronto?
As of June 2025, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Toronto.
How old do you have to be to fly from Lambert-St Louis Airport to Toronto?
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.
What documentation or ID do you need to fly to Toronto?
The necessary travel and health documents for your Toronto 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Toronto is Canadair (Bombardier) Regional Jet 900 (51.38% of total bookings). The next most popular plane models are Airbus A220-300 (35.86%), Boeing 777-300ER (2.41%), and Boeing 777-200/200ER (1.38%).
What is the most popular airline from St. Louis to Toronto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Toronto is Air Canada (100% of total bookings).
Best airlines flying from St. Louis to Toronto
Compare and see reviews for airlines that fly from St. Louis to Toronto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 296 | Free Cancellation | Rating 7.1 9,554 reviews |
Air Canada Flights From St. Louis to Toronto
The lowest priced Air Canada flight from St. Louis to Toronto from the last 72 hours was C$ 218. Generally, Air Canada has 10 flights on this route every week with an average price of C$ 565. Air Canada is rated 7.1/10 by our users.
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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Toronto . Millions of users trust and use momondo every year so you are in good hands.
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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Toronto from St. Louis.
I’m not ready to book a flight from St. Louis to Toronto right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Toronto, momondo offers a useful price alert feature which will track prices for flights to Toronto from St. Louis and alert you when they change.