AirHint found the following cheapest return flights from London (LHR) to Kaunas (KUN) in January 2026 (see full year).

Return flights

21 Jan - 26 Jan	Aer Lingus
24 Jan - 26 Jan	Aer Lingus
22 Jan - 26 Jan	Scandinavian Airlines
23 Jan - 26 Jan	Scandinavian Airlines
26 Jan - 01 Feb	Scandinavian Airlines
26 Jan - 30 Jan	Scandinavian Airlines
10 Jan - 12 Jan	Eurowings
30 Jan - 01 Feb	Scandinavian Airlines
11 Jan - 12 Jan	Eurowings
23 Jan - 27 Jan	Scandinavian Airlines
07 Jan - 14 Jan	Aer Lingus
14 Jan - 19 Jan	Aer Lingus
27 Jan - 01 Feb	Scandinavian Airlines
29 Jan - 01 Feb	Scandinavian Airlines

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

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 January from 131€

Return flights