AirHint found the following cheapest return flights from London (LCY) to Kosice (KSC) in December 2025 (see full year).

Return flights

04 Dec - 08 Dec	SWISS
04 Dec - 14 Dec	SWISS
04 Dec - 07 Dec	SWISS
04 Dec - 09 Dec	Lufthansa
10 Dec - 14 Dec	Lufthansa
01 Dec - 05 Dec	Lufthansa
05 Dec - 09 Dec	Lufthansa
05 Dec - 08 Dec	Lufthansa
11 Dec - 18 Dec	SWISS
09 Dec - 14 Dec	Lufthansa
24 Dec - 05 Jan	Lufthansa
26 Dec - 01 Jan	Lufthansa
29 Dec - 01 Jan	Lufthansa
24 Dec - 04 Jan	Lufthansa
23 Dec - 05 Jan	Lufthansa
23 Dec - 04 Jan	SWISS
24 Dec - 03 Jan	Lufthansa
22 Dec - 05 Jan	SWISS
31 Dec - 10 Jan	SWISS
21 Dec - 05 Jan	SWISS

Also check the deals for one-way flights from London to Kosice in December.

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 Kosice in December from 184€

Return flights