Cheapest return flights from Detroit to Toronto in September from $394

AirHint found the following cheapest return flights from Detroit (DTW) to Toronto (YYZ) in September 2025 (see full year).

Return flights

23 Sep - 25 Sep WestJet
20 Sep - 27 Sep WestJet
19 Sep - 21 Sep Avelo Airlines
17 Sep - 18 Sep Spirit Airlines
19 Sep - 20 Sep Spirit Airlines
23 Sep - 25 Sep WestJet direct
22 Sep - 25 Sep Air Canada direct
19 Sep - 22 Sep WestJet direct
20 Sep - 27 Sep WestJet direct
19 Sep - 20 Sep Air Canada direct

Also check the deals for one-way flights from Detroit to Toronto in September.

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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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