On this page, you can find and book flights for the Toronto — St. Louis route. This 1,065-kilometer flight operates regularly, with an average frequency of about 21 flights per week.
The main carriers for this route are UA and AC. Ticket prices are dynamic, so we recommend using the low-price calendar to find the best deals. You can also find information on how to get to Toronto airport and how to travel from the terminal to St. Louis.
The table shows direct flights Toronto → St. Louis on the selected date. The flight takes approximately 2 h 7 min. Regular flights are operated by Air Canada and United Airlines. Departures from Pearson International Airport, Billy Bishop Toronto City Airport and Hamilton Airport airports, arrivals at Lambert-St. Louis International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Toronto — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 766 in y, and the most expensive are around AED 1,125 in n. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
The warmest month in St. Louis is July, with peak temperatures reaching 31.4°C, while January is the coldest, with temperatures dropping to -3.1°C. The highest rainfall occurs in March, averaging 123.57 mm.
From a budget perspective, the most affordable time to fly is July, with ticket prices starting AED 732. The peak pricing period is August, when fares start AED 1,167.
September is considered the optimal time for a trip: it remains comfortably warm (up to 27.8°C) with the lowest rainfall of the year, and flight prices are significantly lower than the summer peak.
There are two main airlines operating on the route from Toronto to St. Louis — United Airlines and Air Canada. Together, they provide about 21 departures per week, offering passengers both direct flights and convenient connection options. A detailed daily schedule and carriage terms are available in the interactive list below.
Flights Toronto — St. Louis depart from Pearson International Airport, Billy Bishop Toronto City Airport, Hamilton Airport and Region of Waterloo International Airport and arrive at Lambert-St. Louis International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 1,065 km. A direct flight usually takes about 1 hour and 30 minutes, excluding taxi time at the airports.
Regular flights from Toronto to St. Louis are operated by UA (United Airlines) and AC (Air Canada).
Yes, there are direct flights available on this route. You can check the specific flight availability for your dates in the schedule block above.
Airfare changes constantly based on demand and booking lead time. The current minimum price is displayed in the low-price calendar on this page.
Flights from Toronto land at Lambert St. Louis International Airport (STL).
Where travelers fly most — pick a route and check prices
