Cheapest return flights from London to Kaunas in September from $231

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

Return flights

26 Sep - 29 Sep Scandinavian Airlines
26 Sep - 28 Sep Scandinavian Airlines
19 Sep - 29 Sep Scandinavian Airlines
16 Sep - 21 Sep Scandinavian Airlines
24 Sep - 29 Sep Aer Lingus
24 Sep - 30 Sep Scandinavian Airlines
10 Sep - 17 Sep Scandinavian Airlines
19 Sep - 21 Sep Scandinavian Airlines
19 Sep - 22 Sep Scandinavian Airlines
12 Sep - 14 Sep Scandinavian Airlines
22 Sep - 01 Oct Scandinavian Airlines
16 Sep - 14 Oct Scandinavian Airlines
22 Sep - 02 Oct Aer Lingus
16 Sep - 13 Oct Aer Lingus
19 Sep - 01 Oct Scandinavian Airlines

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

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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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