Dublin (DUB) to Iasi (IAS): 1,540 miles (2,478 km) great-circle, about 3h 35m nonstop by our estimate. Cheapest fare observed: $247 round-trip on Ryanair, with 2 stops, departing May 1, 2026.
$247 round-trip, Ryanair FR504, departing 2026-05-01 at 07:00, returning 2026-05-05. The recorded itinerary left on a Friday, returning on a Tuesday 4 nights later; the fare was observed 6 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $247, it ranked 18th of the 30 round-trip fares we recorded from DUB (median $216). That is 16.0 cents per great-circle mile (round-trip price over one-way distance), close to the DUB median of 14.6 cents across 30 round-trip routes.
Routes from DUB of similar length: Bucharest (1,573 mi) at $113 and Chisinau (1,602 mi) at $210.
Ryanair had the cheapest fare on 20 of 30 DUB routes. It is the 16th longest of the 30 routes we track from DUB.
That depends on your passport and trip, so check the official source for Romania: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Dublin, Europe/Bucharest; flight time is our estimate.