Cheapest return flights from London to Kaunas in September from $348

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

Return flights

16 Sep - 26 Sep British Airways
15 Sep - 26 Sep British Airways
18 Sep - 26 Sep KLM
01 Sep - 08 Sep KLM
04 Sep - 08 Sep KLM
06 Sep - 14 Sep KLM
18 Sep - 21 Sep KLM
02 Sep - 03 Sep Aer Lingus
09 Sep - 10 Sep Aer Lingus
06 Sep - 10 Sep SWISS

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

Skyscanner

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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