For the cheapest flights to Madrid book 56 days before departure.
The most popular airlines on the route Sofia - Madrid: Ryanair (FR), Wizz Air (W6), Bulgaria Air (FB).
The cheapest flights are on the route Sofia Airport (SOF) - Barajas (MAD).
Direct flights last about 3h 33min.
Direct flights are available 7 days a week.
Direct flights: Wizz Air (W6), Ryanair (FR), Bulgaria Air (FB).