The easiest way to to get to your destination is a direct flight. Direct flights for from Budapest to Belgrade are offered by:
The lowest prices for flights with layovers are offered by Sun Express with a layover in Antalya. Tickets start at 28 799c̲.
Aviasales.kg suggests buying tickets from Budapest Belgrade in advance in order to choose the conditions for your flight that best suit your preferences and budget.
Budapest airports serving flights to Belgrade:
Belgrade airports accepting flights from Budapest: