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

Return flights

23 Sep - 25 Sep	Lufthansa
30 Sep - 15 Oct	KLM
23 Sep - 03 Oct	Lufthansa
23 Sep - 30 Sep	Lufthansa
29 Sep - 02 Oct	KLM
25 Sep - 01 Oct	Lufthansa
29 Sep - 06 Oct	KLM
30 Sep - 07 Oct	KLM
17 Sep - 30 Sep	Lufthansa
29 Sep - 13 Oct	KLM
26 Sep - 30 Sep	KLM
24 Sep - 30 Sep	KLM
25 Sep - 02 Oct	LOT	direct
27 Sep - 01 Oct	KLM
28 Sep - 02 Oct	LOT	direct
27 Sep - 30 Sep	KLM
19 Sep - 26 Sep	SWISS
26 Sep - 29 Sep	KLM
25 Sep - 29 Sep	SWISS
22 Sep - 26 Sep	Lufthansa

Also check the deals for one-way flights from London 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 London to Vilnius in September from 222€

Return flights