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

Return flights

23 Sep - 24 Sep	Wizz Air
25 Sep - 02 Oct	Wizz Air
17 Sep - 23 Sep	Wizz Air
30 Sep - 07 Oct	Norwegian
25 Sep - 02 Oct	LOT	direct
19 Sep - 22 Sep	LOT	direct
25 Sep - 29 Sep	LOT	direct
26 Sep - 29 Sep	LOT	direct
20 Sep - 22 Sep	LOT	direct
02 Sep - 09 Sep	Ryanair
30 Sep - 07 Oct	LOT	direct
15 Sep - 16 Sep	Wizz Air
18 Sep - 23 Sep	Wizz Air
22 Sep - 25 Sep	Wizz Air

Also check the deals for one-way flights from Warsaw to Vilnius 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 Vilnius in September from $138

Return flights