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

Return flights

29 Sep - 03 Oct	SWISS
24 Sep - 28 Sep	Air France
26 Sep - 28 Sep	Air France
18 Sep - 23 Sep	Air France
19 Sep - 23 Sep	Air France
19 Sep - 26 Sep	Air France
20 Sep - 27 Sep	Lufthansa
26 Sep - 29 Sep	Air France
20 Sep - 24 Sep	Air France
19 Sep - 20 Sep	Pegasus Airlines
25 Sep - 27 Sep	Vueling Airlines
25 Sep - 16 Oct	Vueling Airlines
25 Sep - 02 Oct	Vueling Airlines
25 Sep - 04 Oct	Vueling Airlines
18 Sep - 04 Oct	Vueling Airlines
17 Sep - 02 Oct	Vueling Airlines
17 Sep - 04 Oct	Vueling Airlines
19 Sep - 04 Oct	Vueling Airlines

Also check the deals for one-way flights from Hannover to Dublin in September.

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 September from 197€

Return flights