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

Return flights

22 Sep - 25 Sep	Wizz Air Malta
24 Sep - 03 Oct	Wizz Air Malta
30 Sep - 03 Oct	Wizz Air Malta
17 Sep - 03 Oct	Wizz Air Malta
03 Sep - 17 Sep	Wizz Air
24 Sep - 30 Sep	Wizz Air Malta
18 Sep - 22 Sep	Wizz Air
21 Sep - 25 Sep	Wizz Air Malta
22 Sep - 24 Sep	Wizz Air
17 Sep - 22 Sep	Wizz Air Malta
16 Sep - 22 Sep	Wizz Air Malta
02 Sep - 17 Sep	Wizz Air
29 Sep - 07 Oct	Wizz Air
10 Sep - 18 Sep	Wizz Air
26 Sep - 02 Oct	Wizz Air
29 Sep - 17 Oct	Wizz Air	direct
26 Sep - 17 Oct	Wizz Air	direct
22 Sep - 01 Oct	Ryanair
27 Sep - 05 Oct	Ryanair
29 Sep - 10 Oct	Wizz Air	direct

Also check the deals for one-way flights from Warsaw to Lisbon in September.

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 September from 141€

Return flights