AirHint found the following cheapest return flights from Cancun (CUN) to Miami (MIA) in August 2025 (see full year).

Return flights

08 Aug - 11 Aug	Frontier Airlines	direct
01 Aug - 04 Aug	Frontier Airlines	direct
01 Aug - 08 Aug	Frontier Airlines	direct
01 Aug - 16 Aug	Frontier Airlines	direct
02 Aug - 04 Aug	Frontier Airlines	direct
04 Aug - 09 Aug	Frontier Airlines	direct
04 Aug - 08 Aug	Frontier Airlines	direct
15 Aug - 17 Aug	Delta	direct
19 Aug - 24 Aug	Delta
15 Aug - 19 Aug	Delta
26 Aug - 02 Sep	Delta
28 Aug - 09 Sep	Delta

Also check the deals for one-way flights from Cancun to Miami 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 Cancun to Miami in August from 156€

Return flights