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

Return flights

27 Sep - 28 Sep	Ryanair
25 Sep - 28 Sep	Wizz Air
25 Sep - 05 Oct	Wizz Air
18 Sep - 28 Sep	Ryanair
28 Sep - 01 Oct	Ryanair	direct
18 Sep - 27 Sep	Ryanair
27 Sep - 05 Oct	Ryanair
26 Sep - 28 Sep	Ryanair
20 Sep - 28 Sep	Ryanair
18 Sep - 21 Sep	Ryanair
27 Sep - 30 Sep	Ryanair
20 Sep - 27 Sep	Ryanair
24 Sep - 27 Sep	Ryanair
24 Sep - 08 Oct	Ryanair
24 Sep - 04 Oct	Ryanair
17 Sep - 11 Oct	Ryanair
16 Sep - 11 Oct	Ryanair
27 Sep - 05 Oct	Ryanair	direct
24 Sep - 08 Oct	Ryanair	direct
24 Sep - 04 Oct	Ryanair	direct

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.

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Cheapest return flights from Sofia to Dublin in September from 93€

Return flights