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

Return flights

12 Aug - 19 Aug	Spirit Airlines
14 Aug - 21 Aug	Spirit Airlines
28 Aug - 31 Aug	Spirit Airlines
07 Aug - 10 Aug	Spirit Airlines
28 Aug - 01 Sep	Spirit Airlines
30 Aug - 05 Sep	Spirit Airlines
02 Aug - 03 Aug	Spirit Airlines
27 Aug - 31 Aug	Spirit Airlines
12 Aug - 19 Aug	Air Canada	direct
14 Aug - 21 Aug	Air Canada	direct
07 Aug - 10 Aug	Air Canada	direct
28 Aug - 31 Aug	United	direct
30 Aug - 05 Sep	United	direct
28 Aug - 01 Sep	Air Canada	direct

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

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 Detroit to Toronto in August from $269

Return flights