The cheapest flight to Dortmund you can get by boooking 59 days before departure.
The most popular airlines on the route Sofia - Dortmund: Wizz Air (W6), Lufthansa (LH), Austrian (OS).
The cheapest flights you can book on the route Sofia Airport (SOF) - Dortmund Airport (DTM).
Direct flights last about 2h 40min.
Direct flights available 7 days a week.
Direct flights: Wizz Air (W6).