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

Return flights

30 Aug - 13 Sep	Ryanair
25 Aug - 28 Aug	Ryanair
30 Aug - 14 Sep	Ryanair
23 Aug - 06 Sep	Ryanair
30 Aug - 31 Aug	Ryanair
07 Aug - 11 Aug	Ryanair
27 Aug - 03 Sep	Ryanair
22 Aug - 25 Aug	Ryanair
27 Aug - 17 Sep	Ryanair	direct
04 Aug - 08 Aug	Ryanair
06 Aug - 13 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
09 Aug - 10 Aug	Ryanair
31 Aug - 17 Sep	Ryanair	direct
02 Aug - 06 Aug	Ryanair
06 Aug - 10 Aug	Ryanair
27 Aug - 14 Sep	Ryanair	direct
31 Aug - 14 Sep	Ryanair	direct
30 Aug - 17 Sep	Ryanair	direct
30 Aug - 14 Sep	Ryanair	direct

Also check the deals for one-way flights from Dublin to Sofia in August.

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 Dublin to Sofia in August from 141€

Return flights