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

Return flights

26 Sep - 30 Sep	easyJet
11 Sep - 17 Sep	Wizz Air
25 Sep - 28 Sep	easyJet
18 Sep - 23 Sep	easyJet
22 Sep - 30 Oct	Ryanair
21 Sep - 27 Sep	Ryanair
23 Sep - 27 Sep	easyJet
30 Sep - 04 Oct	easyJet
19 Sep - 27 Sep	easyJet
06 Sep - 20 Sep	Ryanair
07 Sep - 21 Sep	Wizz Air
14 Sep - 22 Sep	Ryanair
20 Sep - 03 Oct	Ryanair
23 Sep - 31 Oct	Ryanair
23 Sep - 31 Oct	airBaltic	direct

Also check the deals for one-way flights from Lisbon 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 Lisbon to Vilnius in September from 162€

Return flights