Good deals from Ireland to Japan are fairly rare so here is one great option based on the promotion of ANA (However the flights are operated by their Star Alliance partners Lufthansa and Swiss Air Lines). Cheap flights from Dublin to Japan (Tokyo, Nagoya, Sapporo, Okinawa, Fukuoka and so on..) are available form €432! This is a full-service offer incl. all taxes, meals, handbag and checked luggage. Limited availability also in spring 2020 which is perfect time to visit Japan! Flights have one layover in Germany or Switzerland and also in Tokyo.
If interested in this deal from Dublin to Japan you will find the cheapest flights when traveling from November 2019 to June 2020. Blackout dates over Christmas and Easter Holidays. Max stay for 3 months. Book this Star Alliance promotion by 13th of October or valid until the cheapest seats have sold out..
Booking sample of Cheap return flights from Dublin to Japan from €432! You would depart from Ireland to Tokyo Haneda on 6th of March. Inbound from Japan back to Dublin on 20th of March 2020.