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

Return flights

08 Sep - 22 Sep	SWISS
14 Sep - 24 Sep	Ryanair
05 Sep - 15 Sep	Aer Lingus
15 Sep - 09 Oct	SWISS
01 Sep - 16 Sep	Aer Lingus
01 Sep - 14 Sep	Aer Lingus
10 Sep - 17 Sep	Aer Lingus
06 Sep - 15 Sep	Hainan Airlines
06 Sep - 22 Sep	SWISS
11 Sep - 17 Sep	Ryanair
02 Sep - 09 Sep	SWISS
26 Sep - 10 Oct	Aer Lingus
25 Sep - 04 Oct	Etihad Airways
17 Sep - 08 Oct	Lufthansa
11 Sep - 01 Oct	Lufthansa
27 Sep - 06 Oct	Air France
20 Sep - 17 Oct	Hainan Airlines
17 Sep - 05 Oct	Qatar Airways
19 Sep - 01 Oct	Emirates
30 Sep - 13 Oct	Emirates

Also check the deals for one-way flights from Dublin to Tokyo 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 Dublin to Tokyo in September from $875

Return flights