Cheap flights from Toronto Pearson Intl Airport to St. Louis from $160
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto Pearson Intl Airport to St. Louis departing on 7/15. 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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WestJet flights from Toronto Pearson Intl Airport to St. Louis
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American Airlines flights from Toronto Pearson Intl Airport to St. Louis
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How to get the cheapest flight ticket from Toronto Pearson Intl Airport to St. Louis
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 Toronto Pearson Intl Airport and St. Louis?
What is the cheapest month to fly to St. Louis?
In general, May is the cheapest month to fly from Toronto Pearson Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $401. The month of June is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $410.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $324. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $541. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Toronto Pearson Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $326 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $487 per ticket.
What is the cheapest Toronto Pearson Intl to Lambert-St Louis flight route?
Fly from Toronto Pearson Intl to Lambert-St Louis for the best Toronto Pearson Intl - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Toronto Pearson Intl Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $485 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Toronto Pearson Intl Airport for as low as $341 on momondo.
What cabin class options are available on Toronto Pearson Intl to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Toronto Pearson Intl to Lambert-St Louis 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 Toronto Pearson Intl Airport to St. Louis on average per day?
As of June 2025, 3 flights take off from Toronto Pearson Intl Airport and land in St. Louis each day. The most common flight departure time for this route is 6:00PM, with 53% of daily flights taking off in the evening.
How many flights depart from Toronto Pearson Intl Airport to St. Louis on average per week?
The number of flights available between Toronto Pearson Intl Airport and St. Louis is 25 per week as of June 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
When to book flights from Toronto Pearson Intl Airport to St. Louis
Cheap Toronto Pearson Intl Airport to St. Louis (YYZ to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Toronto Pearson Intl Airport to St. Louis
How far is Toronto Pearson Intl to Lambert-St Louis by plane?
Lambert-St Louis is 650.6 mi away from Toronto Pearson Intl. 2h 03m is a normal flight duration for this route.
When did momondo last update prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
Prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
As of June 2025, there are 2 operators available to choose from for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Pearson Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Toronto Pearson Intl Airport to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Toronto Pearson Intl Airport to St. Louis is Canadair (Bombardier) Regional Jet 900 (55.32% of total bookings). The next most popular plane models are Airbus A220-300 (38.96%), Airbus A319 (1.56%), and Airbus A320-100/200 (1.56%).
What is the most popular airline from Toronto Pearson Intl Airport to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Toronto Pearson Intl Airport to St. Louis is Air Canada, representing 82% of all bookings. The subsequent popular airline is United Airlines at 18%.
Best airlines flying from Toronto Pearson Intl Airport to St. Louis
Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $324 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom $371 | Free Cancellation | Rating 7.4 8,801 reviews |
United Airlines Flights From Toronto Pearson Intl Airport to St. Louis
United Airlines operates around 14 flights from Toronto Pearson Intl Airport to St. Louis every week. The average price of these flights found in the last 72 hours has been $499, but momondo users have found United Airlines deals from Toronto Pearson Intl Airport to St. Louis from as low as $371 round-trip. United Airlines has been scored 7.4/10 in 8,801 reviews.
Air Canada Flights From Toronto Pearson Intl Airport to St. Louis
Air Canada (7.1/10 from 9,553 reviews) operates around 11 flights from Toronto Pearson Intl Airport to St. Louis in any given week. The average Air Canada airfare for this route is around $477, with deals from around $324 rare but found on momondo. Referenced prices are for round-trip Toronto Pearson Intl Airport to St. Louis flight searches in the last 72 hours.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Toronto to St. Louis?
Finding the right flight to St. Louis from Toronto is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Toronto to St. Louis with flexible booking policies on momondo?
All flight searches from Toronto to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Toronto to St. Louis?
Once you have performed a search for Toronto to St. Louis 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 Toronto to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.