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

Return flights

08 Sep - 23 Sep	China Southern
05 Sep - 12 Sep	China Southern
04 Sep - 21 Sep	China Southern
08 Sep - 25 Sep	China Southern
05 Sep - 20 Sep	China Southern
30 Sep - 07 Oct	Air India
05 Sep - 21 Sep	China Southern
25 Sep - 29 Sep	Air China
20 Sep - 28 Sep	Hainan Airlines
17 Sep - 24 Sep	British Airways
10 Sep - 17 Sep	British Airways
18 Sep - 02 Oct	British Airways

Also check the deals for one-way flights from Tokyo 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 Tokyo to Dublin in September from 643€

Return flights