The cheapest flight to Sofia you can get by boooking 15 days before departure.
The most popular airlines on the route Dublin - Sofia: Ryanair (FR), Lufthansa (LH), Turkish Airlines (TK).
The cheapest flights you can book on the route Dublin Airport (DUB) - Sofia Airport (SOF).
Direct flights last about 3h 40min.
Direct flights available 3 days a week - Tuesday, Thursday, Saturday.
Direct flights: Ryanair (FR).