Cheapest return flights from St. Louis to Toronto in February from $232

AirHint found the following cheapest return flights from St. Louis (STL) to Toronto (YYZ) in February 2026 (see full year).

Return flights

11 Feb - 18 Feb Frontier Airlines
03 Feb - 08 Feb Frontier Airlines
02 Feb - 07 Feb Frontier Airlines
28 Feb - 01 Mar Frontier Airlines
14 Feb - 21 Feb Frontier Airlines
27 Feb - 01 Mar Frontier Airlines
02 Feb - 07 Feb Air Canada direct
03 Feb - 08 Feb Air Canada direct
13 Feb - 20 Feb Air Canada direct
14 Feb - 21 Feb Air Canada direct
27 Feb - 01 Mar Air Canada direct
28 Feb - 01 Mar Air Canada direct

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

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