Sit on the Left side of the plane for the best views on flights from Frankfurt to Budapest. The left side wins overall because while the right side has a slight edge at Frankfurt departure, the left side delivers the more dramatic payoff on arrival into Budapest with the Danube, Castle Hill, and Gellért Hill all visible on descent. During the cruise, the left side also tracks closer to the Austrian Alps foothills and the Danube valley as the route curves southeast.

During takeoff from Frankfurt Main (FRA), sit on the Right side for the best views. Frankfurt typically departs eastbound on runway 07L/07R, so the right side faces south toward the Taunus hills and the Rhine-Main plain. You get a clear view of the Frankfurt skyline receding behind you and the Taunus ridge to the northwest as you climb out eastward. Notable sights include: Frankfurt city skyline (banking city towers), Rhine-Main floodplain, Taunus hills to the north, Offenbach and Darmstadt sprawl to the south.

When landing at Ferihegy (BUD), sit on the Left side for the best views. Budapest Ferihegy typically lands westbound on runway 31L/31R or uses runway 13 approaches from the northwest. On the common westbound approach, the left side faces south toward the Danube bend and the Buda hills, giving a clear view of the city center, the river, and Castle Hill as you descend. Notable sights include: Danube river bend through Budapest, Buda Castle and Castle Hill, Gellért Hill, Lake Velence to the southwest.

The flight from Frankfurt Main (FRA) to Ferihegy (BUD) takes Approximately 1 hour 20 minutes.

The route crosses the Bavarian-Austrian border region, passing north of the Bohemian Forest. Over Austria the Danube valley becomes visible below, with the Wienerwald (Vienna Woods) hills near Vienna. The route then crosses the Little Hungarian Plain (Kisalföld) before descending into the Budapest basin. Lake Neusiedl on the Austrian-Hungarian border may be visible on the left side during descent.