The cheapest flight to Kiev you can get by boooking 9 days before departure.
The most popular airlines on the route Budapest - Kiev: Wizz Air (W6), KLM (KL), Ukraine International (PS).
The cheapest flights you can book on the route Liszt Ferenc (BUD) - Boryspil (KBP).
Direct flights last about 1h 35min.
Direct flights available 7 days a week.
Direct flights: Wizz Air (W6), Ukraine International (PS).