Cheap flights from Toronto to St. Louis from $155
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 to St. Louis departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Toronto to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Toronto to St. Louis
All round-trip flight deals from Toronto to St. Louis
Air Canada flights from Toronto to St. Louis
Our best Air Canada deals on Toronto to St. Louis flight tickets
United Airlines flights from Toronto to St. Louis
Our best United Airlines deals on Toronto to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Toronto 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 and St. Louis?
What is the cheapest month to fly to St. Louis?
In general, February is the cheapest month to fly from Toronto to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $429. The month of May is another great option to travel to St. Louis, with average flight prices from Toronto averaging around $438.
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 Thursday when prices can be found for as low as $423. 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 $528. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $282 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $480 per ticket.
What is the cheapest Toronto to Lambert-St Louis flight route?
Fly from Toronto Pearson Intl to Lambert-St Louis for the best Toronto - 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 when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $492 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Toronto for as low as $313 on momondo.
What cabin class options are available on Toronto to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Toronto 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 to St. Louis on average per day?
1 flights are operational daily from Toronto to St. Louis as of January 2025. The most popular departure time for this route is 1:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from Toronto to St. Louis on average per week?
As of January 2025, there are 10 flights per week flying from Toronto to St. Louis. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.
When to book flights from Toronto to St. Louis
Cheap Toronto to St. Louis (YTO to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Toronto to St. Louis
How far is Toronto to Lambert-St Louis by plane?
Lambert-St Louis is 659.9 mi away from Toronto. A reasonable flight in good conditions will take 2h 06m.
When did momondo last update prices for flights from Toronto to Lambert-St Louis Airport?
Prices for flights from Toronto to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Toronto to Lambert-St Louis Airport?
There is 1 operator available for flights from Toronto to Lambert-St Louis Airport as of January 2025.
How old do you have to be to fly from Toronto 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 to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Toronto to St. Louis?
Based on momondo bookings for flights between Toronto and St. Louis, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 87.30% of the total bookings. Other popular models include Airbus A220-300 with 7.54%, Canadair (Bombardier) Regional Jet with 1.98%, and Airbus A321-100/200 with 0.79%.
What is the most popular airline from Toronto to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Toronto to St. Louis is Air Canada, representing 83% of all bookings. The subsequent popular airline is American Airlines at 17%.
Best airlines flying from Toronto to St. Louis
Compare and see reviews for airlines that fly from Toronto to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $296 | Free Cancellation | Rating 7.0 8,633 reviews |
Air Canada Flights From Toronto to St. Louis
Air Canada flight deals from Toronto to St. Louis start from $296 round-trip. Over the 3 Air Canada flights for this route in a normal week, average airfare is usually $450 round-trip - but some users have found much cheaper deals with momondo.
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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Toronto to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Toronto with this policy.
How can momondo help me find flights from Toronto to St. Louis?
Once all potential Toronto to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Toronto to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Toronto to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.