AirHint found the following cheapest return flights from Detroit (DTW) to Cancun (CUN) in July 2026 (see full year).

Return flights

15 Jul - 21 Jul	Spirit Airlines
15 Jul - 18 Jul	Spirit Airlines
15 Jul - 16 Jul	Spirit Airlines
15 Jul - 24 Jul	Spirit Airlines
15 Jul - 17 Jul	Spirit Airlines
20 Jul - 24 Jul	Spirit Airlines
16 Jul - 21 Jul	Spirit Airlines
15 Jul - 19 Jul	Spirit Airlines
29 Jul - 09 Aug	Spirit Airlines
16 Jul - 18 Jul	Spirit Airlines
10 Jul - 24 Jul	Delta	direct
29 Jul - 09 Aug	Delta	direct
26 Jul - 02 Aug	Delta	direct

Also check the deals for one-way flights from Detroit to Cancun 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 Cancun in July from 344€

Return flights