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

Return flights

27 Aug - 13 Sep	jetBlue	direct
30 Aug - 06 Sep	Frontier Airlines
30 Aug - 10 Sep	Delta	direct
29 Aug - 06 Sep	Aeromexico
26 Aug - 04 Sep	Aeromexico
31 Aug - 04 Sep	Aeromexico
31 Aug - 07 Sep	Frontier Airlines
29 Aug - 03 Sep	Aeromexico
29 Aug - 07 Sep	Aeromexico
26 Aug - 30 Aug	Aeromexico
25 Aug - 30 Aug	Aeromexico
20 Aug - 04 Sep	Aeromexico
24 Aug - 27 Aug	Aeromexico
24 Aug - 30 Aug	Aeromexico
22 Aug - 30 Aug	Aeromexico
23 Aug - 30 Aug	Aeromexico
23 Aug - 27 Aug	Aeromexico
22 Aug - 27 Aug	Aeromexico
23 Aug - 28 Aug	Frontier Airlines
25 Aug - 28 Aug	Aeromexico

Also check the deals for one-way flights from New York to Cancun 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 New York to Cancun in August from 272€

Return flights