Cheapest return flights from St. Louis to Toronto in January from 234€

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

Return flights

23 Jan - 26 Jan Frontier Airlines
22 Jan - 25 Jan Spirit Airlines
22 Jan - 25 Jan Air Canada direct
23 Jan - 26 Jan Air Canada direct

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

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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.

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