For the cheapest flights to Bucharest book 11 days before departure.
The most popular airlines on the route Belgrade - Bucharest: Air Serbia (JU), Tarom (RO), Swiss (LX).
The cheapest flights are on the route Nikola Tesla (BEG) - Otopeni Henri Coanda (OTP).
Direct flights last about 1h 5min.
Direct flights available 6 days a week - Monday, Tuesday, Wednesday, Friday, Saturday, Sunday.
Direct flights: Air Serbia (JU), Tarom (RO).