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

Return flights

29 Sep - 06 Oct	Brussels Airlines
24 Sep - 20 Oct	SWISS
30 Sep - 07 Oct	LOT
30 Sep - 06 Oct	LOT
29 Sep - 03 Oct	Brussels Airlines
30 Sep - 03 Oct	LOT
26 Sep - 02 Oct	Brussels Airlines
26 Sep - 03 Oct	LOT
30 Sep - 01 Oct	LOT
27 Sep - 02 Oct	Austrian Airlines
25 Sep - 29 Sep	Brussels Airlines
26 Sep - 27 Sep	LOT
26 Sep - 29 Sep	LOT
28 Sep - 30 Sep	LOT
24 Sep - 29 Sep	Austrian Airlines
25 Sep - 30 Sep	LOT
24 Sep - 30 Sep	Austrian Airlines
29 Sep - 30 Sep	LOT
25 Sep - 27 Sep	Austrian Airlines
24 Sep - 27 Sep	LOT

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 208€

Return flights