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

Return flights

31 Dec - 07 Jan	Eurowings
30 Dec - 07 Jan	Pegasus Airlines
30 Dec - 01 Jan	SWISS
30 Dec - 05 Jan	SWISS
31 Dec - 05 Jan	Air France
30 Dec - 04 Jan	SWISS
29 Dec - 01 Jan	SWISS
31 Dec - 01 Jan	Eurowings
29 Dec - 02 Jan	Pegasus Airlines
31 Dec - 02 Jan	Eurowings
30 Dec - 31 Dec	Eurowings
29 Dec - 30 Dec	Eurowings
27 Dec - 31 Dec	AJet
28 Dec - 31 Dec	Eurowings
28 Dec - 29 Dec	Eurowings
27 Dec - 29 Dec	KLM
30 Dec - 30 Dec	Eurowings
27 Dec - 28 Dec	SunExpress
28 Dec - 30 Dec	SWISS
29 Dec - 31 Dec	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 258€

Return flights