The cheapest flight to Budapest Liszt Ferenc you can get by boooking 25 days before departure.
The most popular airlines on the route Cologne - Bonn Airport - Budapest Liszt Ferenc: Germanwings (4U), Air Berlin (AB), Lufthansa (LH).
Direct flights last about 1h 40min.
Direct flights available 7 days a week.
Direct flights: Germanwings (4U), Eurowings (EW).