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

Return flights

27 Aug - 02 Sep	Air Europa
05 Aug - 11 Aug	Ryanair
27 Aug - 04 Sep	Air Europa
05 Aug - 01 Sep	Ryanair
04 Aug - 11 Aug	Ryanair
28 Aug - 04 Sep	Norwegian Air Sweden AOC
01 Aug - 02 Sep	easyJet
08 Aug - 11 Aug	Ryanair	direct
20 Aug - 29 Aug	TAP
22 Aug - 31 Aug	Wizz Air
11 Aug - 10 Sep	Vueling Airlines
19 Aug - 29 Aug	Ryanair
01 Aug - 06 Aug	easyJet
28 Aug - 05 Sep	Norwegian Air Sweden AOC
13 Aug - 31 Aug	Air Europa
08 Aug - 10 Aug	Ryanair
25 Aug - 30 Aug	Ryanair
29 Aug - 22 Sep	Ryanair
11 Aug - 08 Sep	Vueling Airlines
31 Aug - 07 Sep	easyJet

Also check the deals for one-way flights from Lisbon to Warsaw 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 Warsaw in August from 195€

Return flights