The cheapest flight to Sofia you can get by boooking 49 days before departure.
The most popular airlines on the route Amsterdam - Sofia: Bulgaria Air (FB), Transavia (HV), Lufthansa (LH).
The cheapest flights you can book on the route Schiphol (AMS) - Sofia Airport (SOF).
Direct flights last about 2h 40min.
Direct flights available 7 days a week.
Direct flights: Bulgaria Air (FB), Transavia (HV).