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

Return flights

20 Aug - 27 Aug	Delta
17 Aug - 27 Aug	Delta
13 Aug - 22 Aug	Delta
13 Aug - 20 Aug	Delta
12 Aug - 02 Sep	Delta
11 Aug - 20 Aug	Delta
31 Aug - 10 Sep	Air Canada
26 Aug - 02 Sep	Delta
17 Aug - 29 Aug	Delta
07 Aug - 13 Aug	United
17 Aug - 26 Aug	Delta
27 Aug - 03 Sep	Delta
28 Aug - 04 Sep	Delta
11 Aug - 18 Aug	Delta
10 Aug - 13 Aug	United
30 Aug - 06 Sep	Delta
29 Aug - 05 Sep	Delta
31 Aug - 07 Sep	Delta
25 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 429€

Return flights