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

Return flights

31 Dec - 09 Jan	Lufthansa
31 Dec - 06 Jan	KLM
31 Dec - 07 Jan	KLM
30 Dec - 06 Jan	KLM
30 Dec - 05 Jan	SWISS
30 Dec - 07 Jan	SWISS
28 Dec - 30 Dec	SWISS
30 Dec - 02 Jan	KLM
29 Dec - 30 Dec	Lufthansa
31 Dec - 11 Jan	Lufthansa
29 Dec - 02 Jan	KLM
28 Dec - 05 Jan	KLM
29 Dec - 31 Dec	KLM
27 Dec - 29 Dec	KLM
30 Dec - 31 Dec	KLM
30 Dec - 30 Dec	KLM
27 Dec - 28 Dec	KLM
28 Dec - 29 Dec	SWISS
28 Dec - 28 Dec	KLM

Also check the deals for one-way flights from London to Krakow 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 Krakow in December from $329

Return flights