Flight from Budapest to Beijing via Vienna – from 512 EUR, 4882 miles
BUD – VIE flight OS 71x
VIE – PEK flight OS 63

Flight from Vienna to Beijing – from 708 EUR, 4632 miles
VIE – PEK flight OS 63

It means that Austrian Airlines charges 196 EUR more for flight from Vienna even though flight from Budapest connects to the same direct flight to Beijing from Vienna. Is it only taxes and airport fees which makes the difference of 38% or is it Austrian pricing policy?

Fares
Vienna: 378 EUR
Budapest: 180 EUR

Taxes / Surcharges
Vienna: 320 EUR
Budapest: 325 EUR

Ticket service charge
Vienna: 10 EUR
Budapest: 7,5 EUR

Taxes and surcharges are the same so it is only fare which makes the difference. Austrian charges 198 EUR more in fares for the same destination (Beijing) from Vienna, even though it is 250 miles shorter as from Budapest.