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

Return flights

29 Sep - 12 Oct	SWISS
19 Sep - 29 Sep	Finnair
04 Sep - 17 Sep	Finnair
17 Sep - 24 Sep	Finnair
21 Sep - 29 Sep	Finnair
12 Sep - 22 Sep	Finnair
01 Sep - 29 Sep	Finnair
09 Sep - 23 Sep	Finnair
19 Sep - 06 Oct	Finnair
21 Sep - 05 Oct	Finnair
24 Sep - 12 Oct	Finnair
10 Sep - 05 Oct	Finnair
03 Sep - 02 Oct	Finnair
18 Sep - 28 Sep	Finnair
24 Sep - 04 Oct	Finnair
01 Sep - 30 Sep	Finnair
19 Sep - 30 Sep	Finnair
29 Sep - 20 Oct	Austrian Airlines
23 Sep - 06 Oct	Finnair
22 Sep - 06 Oct	Finnair

Also check the deals for one-way flights from Vilnius to Bangkok 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 Bangkok in September from 532€

Return flights