AirHint found the following cheapest return flights from Hannover (HAJ) to London (LHR) in December 2025 (see full year).

Return flights

24 Dec - 01 Jan	British Airways	direct
15 Dec - 15 Jan	British Airways	direct
01 Dec - 23 Jan	British Airways	direct
02 Dec - 03 Dec	British Airways	direct
04 Dec - 08 Dec	KLM
03 Dec - 06 Dec	Air France
02 Dec - 06 Dec	KLM
01 Dec - 08 Dec	KLM
01 Dec - 09 Dec	KLM
01 Dec - 09 Dec	British Airways	direct
05 Dec - 09 Dec	Lufthansa
06 Dec - 07 Dec	Lufthansa
03 Dec - 07 Dec	Lufthansa
31 Dec - 04 Jan	SWISS
12 Dec - 04 Jan	SWISS
23 Dec - 02 Jan	Lufthansa
29 Dec - 01 Jan	KLM
30 Dec - 01 Jan	British Airways	direct
28 Dec - 01 Jan	British Airways	direct
25 Dec - 01 Jan	KLM

Also check the deals for one-way flights from Hannover to London 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 Hannover to London in December from $184

Return flights