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

Return flights

04 Dec - 10 Dec	SWISS
11 Dec - 15 Dec	SWISS
12 Dec - 15 Dec	Lufthansa
05 Dec - 08 Dec	Lufthansa
08 Dec - 12 Dec	Lufthansa
24 Dec - 31 Dec	SWISS
30 Dec - 02 Jan	KLM
23 Dec - 30 Dec	KLM
20 Dec - 01 Jan	KLM
19 Dec - 26 Dec	KLM
20 Dec - 23 Dec	Lufthansa
23 Dec - 27 Dec	KLM
28 Dec - 02 Jan	KLM
29 Dec - 03 Jan	KLM
26 Dec - 01 Jan	Lufthansa
31 Dec - 04 Jan	Lufthansa
23 Dec - 04 Jan	Lufthansa
23 Dec - 02 Jan	Lufthansa
28 Dec - 03 Jan	KLM
27 Dec - 01 Jan	Lufthansa

Also check the deals for one-way flights from Hannover to Dublin 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 Dublin in December from $176

Return flights