AirHint found the following cheapest return flights from Lisbon (LIS) to Cancun (CUN) in August 2026 (see full year).

Return flights

26 Aug - 02 Sep	British Airways
25 Aug - 15 Sep	United
28 Aug - 10 Sep	United
31 Aug - 07 Sep	Air Canada
25 Aug - 05 Sep	SWISS
30 Aug - 06 Sep	Delta
25 Aug - 01 Sep	Air France
04 Aug - 27 Aug	British Airways
18 Aug - 27 Aug	British Airways
19 Aug - 27 Aug	British Airways
13 Aug - 25 Aug	Air Transat
21 Aug - 30 Aug	Air Transat
10 Aug - 24 Aug	Air Transat
06 Aug - 12 Aug	Air Transat
07 Aug - 21 Aug	Air Transat
09 Aug - 22 Aug	Air Transat
13 Aug - 23 Aug	Air Transat
23 Aug - 13 Sep	Air Canada
03 Aug - 01 Sep	British Airways
01 Aug - 01 Sep	British Airways

Also check the deals for one-way flights from Lisbon 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 Lisbon to Cancun in August from 581€

Return flights