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

Return flights

27 Sep - 04 Oct	Ryanair
23 Sep - 27 Sep	Wizz Air
18 Sep - 21 Sep	Wizz Air
24 Sep - 27 Sep	Ryanair
28 Sep - 05 Oct	Ryanair	direct
25 Sep - 28 Sep	Wizz Air
17 Sep - 21 Sep	Ryanair
28 Sep - 04 Oct	Ryanair	direct
24 Sep - 28 Sep	Ryanair
17 Sep - 20 Sep	Ryanair
30 Sep - 07 Oct	Wizz Air
28 Sep - 11 Oct	Ryanair	direct
28 Sep - 01 Oct	Ryanair	direct
19 Sep - 21 Sep	Ryanair
27 Sep - 07 Oct	Ryanair
20 Sep - 05 Oct	Ryanair	direct
24 Sep - 05 Oct	Ryanair	direct
21 Sep - 05 Oct	Ryanair	direct
21 Sep - 28 Sep	Ryanair	direct
06 Sep - 07 Sep	Ryanair

Also check the deals for one-way flights from Sofia 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 Sofia to Dublin in September from $111

Return flights