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

Return flights

08 Sep - 18 Sep	Ryanair
02 Sep - 08 Sep	Ryanair
03 Sep - 10 Sep	Ryanair
01 Sep - 11 Sep	Ryanair
08 Sep - 22 Sep	Aer Lingus
11 Sep - 18 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
02 Sep - 10 Sep	Ryanair
08 Sep - 23 Sep	Ryanair
08 Sep - 16 Sep	Ryanair
23 Sep - 07 Oct	Ryanair
27 Sep - 11 Oct	Aer Lingus
29 Sep - 12 Oct	Ryanair
28 Sep - 15 Oct	Ryanair
19 Sep - 04 Oct	Ryanair
08 Sep - 01 Oct	Ryanair
28 Sep - 12 Oct	Ryanair
29 Sep - 06 Oct	Ryanair
27 Sep - 03 Oct	Ryanair
27 Sep - 04 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 680€

Return flights