Cheapest one-way flights from London to Kaunas in December from $122

AirHint found the following cheapest one-way flights from London (LHR) to Kaunas (KUN) in December 2025 (see full year).

One-Way flights

07 Dec British Airways
04 Dec Scandinavian Airlines
05 Dec Scandinavian Airlines
28 Dec Eurowings
16 Dec Scandinavian Airlines
22 Dec British Airways
23 Dec British Airways
21 Dec Eurowings
19 Dec British Airways

Also check the deals for return flights from London to Kaunas in December.

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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