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

Return flights

25 Sep - 28 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
29 Sep - 01 Oct	Ryanair
27 Sep - 30 Sep	Aer Lingus
10 Sep - 17 Sep	Vueling Airlines
13 Sep - 20 Sep	Ryanair
11 Sep - 16 Sep	Wizz Air
20 Sep - 23 Sep	easyJet
18 Sep - 24 Sep	Vueling Airlines
14 Sep - 21 Sep	Aegean Airlines
09 Sep - 16 Sep	Vueling Airlines
29 Sep - 03 Oct	easyJet

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 211€

Return flights