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

Return flights

11 Aug - 27 Aug	Iberojet
24 Aug - 07 Sep	Spirit Airlines
17 Aug - 31 Aug	Spirit Airlines
20 Aug - 03 Sep	jetBlue
01 Aug - 30 Aug	Air Europa
23 Aug - 01 Sep	Spirit Airlines
20 Aug - 20 Sep	Spirit Airlines
22 Aug - 17 Sep	Aeromexico
14 Aug - 21 Aug	WORLD2FLY
06 Aug - 21 Aug	WORLD2FLY
01 Aug - 21 Aug	Air Europa
27 Aug - 07 Sep	Spirit Airlines
31 Aug - 07 Sep	WestJet
07 Aug - 21 Aug	Air Europa
27 Aug - 03 Sep	Spirit Airlines
30 Aug - 01 Sep	Frontier Airlines
12 Aug - 19 Aug	WORLD2FLY
10 Aug - 17 Aug	Iberojet
10 Aug - 14 Aug	WORLD2FLY

Also check the deals for one-way flights from Cancun to Lisbon 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 Lisbon in August from 662€

Return flights