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

Return flights

24 Sep - 08 Oct	Lufthansa
14 Sep - 23 Sep	KLM
17 Sep - 24 Sep	Lufthansa
24 Sep - 13 Oct	Ryanair
17 Sep - 20 Oct	Ryanair
23 Sep - 23 Oct	Ryanair
18 Sep - 24 Sep	Ryanair
16 Sep - 22 Sep	Lufthansa
11 Sep - 23 Sep	Ryanair
22 Sep - 29 Sep	Ryanair
02 Sep - 23 Sep	Ryanair
23 Sep - 14 Oct	Ryanair
04 Sep - 24 Sep	Ryanair
22 Sep - 06 Oct	Ryanair
03 Sep - 24 Sep	Ryanair
11 Sep - 24 Sep	Ryanair
27 Sep - 08 Oct	Aer Lingus
20 Sep - 06 Oct	Aer Lingus
16 Sep - 06 Oct	Hainan Airlines
29 Sep - 20 Oct	Ryanair

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 695€

Return flights