Cheapest return flights from St. Louis to Toronto in February from $252

Best time to book flights for St. Louis (STL) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest return flights from St. Louis (STL) to Toronto (YYZ) in February 2025 (see full year).

Return flights

18 Feb - 24 Mar Frontier Airlines
18 Feb - 23 Mar Frontier Airlines
07 Feb - 10 Feb Frontier Airlines
18 Feb - 20 Mar Spirit Airlines
18 Feb - 22 Mar Spirit Airlines
19 Feb - 20 Mar Frontier Airlines
14 Feb - 17 Feb Frontier Airlines
18 Feb - 21 Mar Spirit Airlines
13 Feb - 26 Mar Frontier Airlines
09 Feb - 16 Feb Frontier Airlines
19 Feb - 20 Mar United direct
14 Feb - 17 Feb Air Canada direct

Also check the deals for one-way flights from St. Louis to Toronto in February.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Toronto

Cheap car rent in Toronto