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

Return flights

02 Sep - 15 Sep	Qatar Airways
02 Sep - 10 Sep	Qatar Airways
01 Sep - 10 Sep	Qatar Airways
01 Sep - 05 Sep	Qatar Airways
21 Sep - 28 Sep	Qatar Airways
09 Sep - 16 Sep	Qatar Airways
03 Sep - 12 Sep	Qatar Airways
09 Sep - 22 Sep	Qatar Airways
22 Sep - 27 Sep	Singapore Airlines
20 Sep - 30 Sep	Qatar Airways
27 Sep - 04 Oct	Qatar 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Tokyo to Dublin in September from $1099

Return flights