The cheapest flight to Sofia you can get by boooking 14 days before departure.
The most popular airlines on the route Rome - Sofia: Ryanair (FR), Wizz Air (W6), Alitalia (AZ).
The cheapest flights you can book on the route Ciampino (CIA) - Sofia Airport (SOF).
Direct flights last about 1h 50min.
Direct flights available 7 days a week.
Direct flights: Wizz Air (W6), Ryanair (FR), Alitalia (AZ).