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

Return flights

30 Sep - 14 Oct	Ryanair	direct
30 Sep - 11 Oct	Ryanair	direct
30 Sep - 04 Oct	Ryanair	direct
23 Sep - 30 Sep	Ryanair
30 Sep - 18 Oct	Ryanair	direct
23 Sep - 11 Oct	Ryanair	direct
23 Sep - 04 Oct	Ryanair	direct
27 Sep - 14 Oct	Ryanair	direct
30 Sep - 07 Oct	Ryanair	direct
29 Sep - 08 Oct	Ryanair
23 Sep - 27 Sep	Ryanair	direct
24 Sep - 01 Oct	Ryanair
15 Sep - 24 Sep	Ryanair
10 Sep - 24 Sep	Ryanair
22 Sep - 26 Sep	Ryanair
09 Sep - 27 Sep	Ryanair	direct
20 Sep - 24 Sep	Ryanair
23 Sep - 30 Sep	Ryanair	direct
27 Sep - 29 Sep	Ryanair
24 Sep - 27 Sep	Ryanair

Also check the deals for one-way flights from Dublin to Iasi 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 Iasi

Cheap car rent in Iasi

Cheapest return flights from Dublin to Iasi in September from $95

Return flights