January is by far the best month, wherein you can get cheapest flights for Toronto to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Toronto
17:15
Toronto
Lester B Pearson International Airport
Mon , 26 Jan 2026

St Louis
20:43
St Louis
St Louis Lambert International Airport
Mon, 26 Jan 2026

Toronto
06:00
Toronto
Lester B Pearson International Airport
Mon , 26 Jan 2026

St Louis
10:20
St Louis
St Louis Lambert International Airport
Mon, 26 Jan 2026

Toronto
14:00
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
15:29
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
06:50
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
12:29
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
07:50
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
12:33
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
17:15
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
23:25
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
14:00
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
15:29
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
06:00
Toronto
Lester B Pearson International Airport
Thu , 22 Jan 2026

St Louis
10:20
St Louis
St Louis Lambert International Airport
Thu, 22 Jan 2026

Toronto
14:00
Toronto
Lester B Pearson International Airport
Mon , 26 Jan 2026

St Louis
15:29
St Louis
St Louis Lambert International Airport
Mon, 26 Jan 2026

Toronto
14:00
Toronto
Lester B Pearson International Airport
Mon , 26 Jan 2026

St Louis
15:29
St Louis
St Louis Lambert International Airport
Mon, 26 Jan 2026

Toronto
06:10
Toronto
Lester B Pearson International Airport
Mon , 26 Jan 2026

St Louis
11:04
St Louis
St Louis Lambert International Airport
Mon, 26 Jan 2026










Flying from Toronto to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Toronto to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Lester B Pearson International Airport (YYZ) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 1050 km, and most direct services cover it in around 03:35.
Let’s take a closer look at everything you need to know before booking your flight from Toronto to St Louis.
| Flight Details | Information |
|---|---|
| Route Distance | 1050 km |
| Average Flight Time | 03:35 hrs |
| Departure Airport | Lester B Pearson International Airport (YYZ) |
| Arrival Airport | St Louis Lambert International Airport (STL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Delta Airlines, American Airlines, Air Canada, United Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.