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

Return flights

18 Sep - 02 Oct	Norwegian Air Sweden AOC
11 Sep - 17 Sep	Wizz Air
27 Sep - 05 Oct	Wizz Air
17 Sep - 21 Sep	Wizz Air
04 Sep - 08 Sep	Norwegian Air Sweden AOC
08 Sep - 15 Sep	airBaltic
08 Sep - 14 Sep	airBaltic
04 Sep - 07 Sep	Norwegian Air Sweden AOC
03 Sep - 07 Sep	Ryanair

Also check the deals for one-way flights from Vilnius to Bucharest 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 Vilnius to Bucharest in September from 105€

Return flights