For the cheapest flights to Brussels book 9 days before departure.
The most popular airlines on the route Kiev - Brussels: Czech Airlines (OK), Austrian (OS), Ukraine International (PS).
The cheapest flights are on the route Boryspil (KBP) - Brussels Intl Airport (BRU).
Direct flights last about 3h 0min.
Direct flights available 3 days a week - Monday, Friday, Saturday.
Direct flights: Ukraine International (PS).