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

Return flights

30 Dec - 12 Jan	SWISS
10 Dec - 17 Dec	Lufthansa
31 Dec - 16 Jan	Lufthansa
10 Dec - 14 Dec	Lufthansa
07 Dec - 17 Dec	SWISS
27 Dec - 31 Dec	KLM
16 Dec - 15 Jan	ITA Airways
31 Dec - 04 Jan	Lufthansa
24 Dec - 31 Dec	Lufthansa
07 Dec - 31 Dec	SWISS
24 Dec - 01 Jan	Air Dolomiti
16 Dec - 19 Dec	SWISS
08 Dec - 12 Dec	SWISS
17 Dec - 20 Dec	KLM
07 Dec - 09 Dec	SWISS
31 Dec - 01 Jan	Lufthansa
31 Dec - 03 Jan	Air Dolomiti
21 Dec - 07 Jan	SWISS
21 Dec - 08 Jan	SWISS
23 Dec - 04 Jan	Lufthansa

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 306€

Return flights