AirHint found the following cheapest return flights from London (LHR) to Kaunas (KUN) in October 2025 (see full year).

Return flights

10 Oct - 12 Oct	Scandinavian Airlines
17 Oct - 19 Oct	Scandinavian Airlines
13 Oct - 17 Oct	Scandinavian Airlines
09 Oct - 13 Oct	Scandinavian Airlines
13 Oct - 15 Oct	Scandinavian Airlines
03 Oct - 06 Oct	Scandinavian Airlines
10 Oct - 13 Oct	Scandinavian Airlines
06 Oct - 10 Oct	Scandinavian Airlines
06 Oct - 08 Oct	Aer Lingus
03 Oct - 07 Oct	Scandinavian Airlines
31 Oct - 02 Nov	Scandinavian Airlines

Also check the deals for one-way flights from London to Kaunas in October.

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 Kaunas in October from 166€

Return flights