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

Return flights

26 Aug - 08 Sep	Delta
26 Aug - 03 Sep	Delta
28 Aug - 03 Sep	Delta
28 Aug - 13 Sep	Delta
26 Aug - 02 Sep	Delta
28 Aug - 04 Sep	Delta
28 Aug - 06 Sep	Delta
28 Aug - 02 Sep	Delta
31 Aug - 15 Sep	SWISS
31 Aug - 07 Sep	SWISS
26 Aug - 31 Aug	SWISS
27 Aug - 31 Aug	Air Canada
24 Aug - 31 Aug	British Airways
22 Aug - 26 Aug	British Airways
19 Aug - 26 Aug	British Airways
21 Aug - 25 Aug	British Airways
18 Aug - 26 Aug	Air France
11 Aug - 25 Aug	Delta
20 Aug - 27 Aug	Ryanair
12 Aug - 26 Aug	Delta

Also check the deals for one-way flights from Lisbon to Miami 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 Miami in August from $505

Return flights