Cheapest return flights from St. Louis to Toronto in November from $354

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

Return flights

25 Nov - 01 Dec Frontier Airlines
20 Nov - 23 Nov Frontier Airlines
25 Nov - 30 Nov Frontier Airlines
22 Nov - 29 Nov American Airlines
30 Nov - 08 Dec American Airlines
12 Nov - 14 Nov Frontier Airlines
10 Nov - 12 Nov Frontier Airlines
06 Nov - 09 Nov Frontier Airlines
26 Nov - 30 Nov WestJet
11 Nov - 13 Nov Frontier Airlines
12 Nov - 14 Nov Air Canada direct

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

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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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