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

Return flights

06 Nov - 13 Nov	Spirit Airlines
06 Nov - 09 Nov	Spirit Airlines
05 Nov - 10 Nov	Air Canada	direct
07 Nov - 11 Nov	Air Canada	direct
07 Nov - 14 Nov	Air Canada	direct
06 Nov - 13 Nov	Air Canada	direct
26 Nov - 30 Nov	WestJet

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

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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Cheapest return flights from St. Louis to Toronto in November from $429

Return flights