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

Return flights

03 Dec - 10 Dec	Eurowings
03 Dec - 05 Dec	Eurowings
15 Dec - 16 Dec	Vueling Airlines
08 Dec - 10 Dec	Eurowings
09 Dec - 13 Dec	Eurowings
19 Dec - 23 Dec	Eurowings
01 Dec - 05 Dec	SWISS
05 Dec - 11 Dec	SWISS
08 Dec - 11 Dec	Eurowings
13 Dec - 17 Dec	Eurowings
31 Dec - 05 Jan	SWISS
31 Dec - 04 Jan	KLM
29 Dec - 01 Jan	SWISS
30 Dec - 01 Jan	SWISS
31 Dec - 01 Jan	SWISS
29 Dec - 03 Jan	Air Serbia
27 Dec - 10 Jan	Air France
31 Dec - 07 Jan	SWISS
13 Dec - 04 Jan	SWISS
30 Dec - 04 Jan	SWISS

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 134€

Return flights