For the cheapest flights to Sofia book 51 days before departure.
The most popular airlines on the route Dortmund - Sofia: Wizz Air (W6), Germanwings (4U), Lufthansa (LH).
The cheapest flights are on the route Dortmund Airport (DTM) - Sofia Airport (SOF).
Direct flights last about 2h 27min.
Direct flights are available 7 days a week.
Direct flights: Wizz Air (W6).