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

Return flights

31 Dec - 08 Jan	KLM
18 Dec - 21 Dec	Eurowings
31 Dec - 11 Jan	Lufthansa
17 Dec - 23 Dec	Air France
24 Dec - 29 Dec	KLM
19 Dec - 26 Dec	Eurowings
17 Dec - 21 Dec	Air France
21 Dec - 28 Dec	Lufthansa
19 Dec - 24 Dec	Eurowings
31 Dec - 07 Jan	Air France
18 Dec - 29 Dec	Eurowings
23 Dec - 27 Dec	KLM
22 Dec - 26 Dec	KLM
24 Dec - 11 Jan	Vueling Airlines
31 Dec - 06 Jan	KLM
29 Dec - 01 Jan	Lufthansa
29 Dec - 14 Jan	Vueling Airlines
20 Dec - 25 Jan	KLM
30 Dec - 02 Jan	Lufthansa
31 Dec - 05 Jan	KLM

Also check the deals for one-way flights from Hannover to Lisbon 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 Lisbon in December from $323

Return flights