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

Return flights

18 Aug - 27 Aug	Air Canada
20 Aug - 22 Sep	Delta
11 Aug - 27 Aug	Delta
27 Aug - 12 Sep	Delta
14 Aug - 27 Aug	Delta
13 Aug - 22 Aug	Delta
03 Aug - 16 Aug	Delta
26 Aug - 29 Aug	Delta
31 Aug - 07 Sep	Delta
29 Aug - 07 Sep	Delta
05 Aug - 09 Aug	Delta
24 Aug - 01 Sep	American Airlines
23 Aug - 31 Aug	Delta
01 Aug - 14 Aug	Delta
01 Aug - 11 Aug	Delta
27 Aug - 01 Sep	Delta
29 Aug - 01 Sep	Delta

Also check the deals for one-way flights from Fort Lauderdale 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 Fort Lauderdale to Lisbon in August from $577

Return flights