AirHint found the following cheapest return flights from Warsaw (WAW) to Lisbon (LIS) in September 2026 (see full year).

Return flights

29 Sep - 07 Oct	TAP	direct
29 Sep - 08 Oct	TAP	direct
30 Sep - 08 Oct	TAP	direct
02 Sep - 04 Sep	TAP
14 Sep - 28 Sep	SWISS
02 Sep - 12 Sep	TAP	direct
02 Sep - 04 Sep	TAP	direct
28 Sep - 04 Oct	Wizz Air
11 Sep - 19 Sep	SWISS
18 Sep - 22 Sep	TAP	direct
18 Sep - 22 Sep	Ryanair
14 Sep - 28 Sep	TAP	direct
11 Sep - 19 Sep	TAP	direct
30 Sep - 07 Oct	Ryanair	direct
04 Sep - 06 Sep	SWISS
28 Sep - 04 Oct	TAP	direct
18 Sep - 07 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 180€

Return flights