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

Return flights

28 Aug - 08 Sep	Wizz Air
28 Aug - 04 Sep	Wizz Air
28 Aug - 12 Sep	Wizz Air
30 Aug - 06 Sep	Wizz Air Malta
28 Aug - 09 Sep	SWISS
30 Aug - 01 Sep	Wizz Air
27 Aug - 07 Sep	Wizz Air Malta
22 Aug - 03 Sep	SWISS
07 Aug - 03 Sep	Brussels Airlines
30 Aug - 09 Sep	Wizz Air Malta
08 Aug - 24 Aug	Ryanair
19 Aug - 29 Aug	Wizz Air Malta
18 Aug - 29 Aug	Ryanair
12 Aug - 26 Aug	Wizz Air
22 Aug - 26 Aug	Wizz Air
24 Aug - 24 Aug	Lufthansa
19 Aug - 26 Aug	SWISS
21 Aug - 27 Aug	Wizz Air
28 Aug - 29 Aug	Wizz Air
20 Aug - 27 Aug	Wizz Air

Also check the deals for one-way flights from Warsaw 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 Warsaw to Lisbon in August from 173€

Return flights