Air distance from Budapest, Hungary to Nukualofa, Tonga is 10460.2 Miles (16834 Kilometers / 9083.6 Nautical Miles).
21 hrs, 43 mins is the flight duration between Budapest and Nukualofa. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.