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

Return flights

16 Jul - 19 Jul	Spirit Airlines
31 Jul - 04 Aug	Spirit Airlines
21 Jul - 26 Jul	Spirit Airlines
20 Jul - 23 Jul	Spirit Airlines
24 Jul - 27 Jul	Spirit Airlines
30 Jul - 01 Aug	Spirit Airlines
12 Jul - 27 Jul	Spirit Airlines
20 Jul - 25 Jul	Spirit Airlines
15 Jul - 17 Jul	Spirit Airlines
08 Jul - 16 Jul	Spirit Airlines
07 Jul - 14 Jul	Spirit Airlines
11 Jul - 13 Jul	Spirit Airlines
30 Jul - 01 Aug	Air Canada	direct
31 Jul - 04 Aug	Air Canada	direct

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

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 July from $301

Return flights