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

Return flights

02 Apr - 07 Apr	Scandinavian Airlines
01 Apr - 07 Apr	Brussels Airlines
14 Apr - 19 Apr	Scandinavian Airlines
28 Apr - 04 May	Scandinavian Airlines
24 Apr - 27 Apr	Scandinavian Airlines
23 Apr - 26 Apr	Aer Lingus
30 Apr - 02 May	Aer Lingus
30 Apr - 04 May	Aer Lingus
28 Apr - 01 May	Brussels Airlines
09 Apr - 13 Apr	Air France
30 Apr - 05 May	Air France

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

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 April from 235€

Return flights