For the cheapest flights to Sofia book 35 days before departure.
The most popular airlines on the route Budapest - Sofia: Wizz Air (W6), Austrian (OS), Aegean (A3).
The cheapest flights are on the route Liszt Ferenc (BUD) - Sofia Airport (SOF).
Direct flights last about 1h 20min.
Direct flights available 5 days a week - Monday, Tuesday, Wednesday, Friday, Saturday.
Direct flights: Wizz Air (W6).