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

Return flights

28 Jul - 11 Aug	Aer Lingus
15 Jul - 22 Jul	Scandinavian Airlines
23 Jul - 30 Jul	Aer Lingus
28 Jul - 04 Aug	Aer Lingus
30 Jul - 06 Aug	Finnair
27 Jul - 05 Aug	Aer Lingus
29 Jul - 05 Aug	Finnair
31 Jul - 05 Aug	British Airways
28 Jul - 08 Aug	Aer Lingus
21 Jul - 24 Jul	Aegean Airlines
14 Jul - 16 Jul	KLM
23 Jul - 26 Jul	Aer Lingus
23 Jul - 28 Jul	Aer Lingus
28 Jul - 20 Aug	Aer Lingus
28 Jul - 07 Aug	Aer Lingus
25 Jul - 04 Aug	Aer Lingus
09 Jul - 14 Jul	Eurowings
23 Jul - 31 Jul	Aer Lingus
15 Jul - 20 Jul	Scandinavian Airlines
12 Jul - 20 Jul	Finnair

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

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 July from 270€

Return flights