Sit on the Left side of the plane for the best views on flights from Budapest to San Francisco. The left side delivers the more memorable moment: Budapest's historic cityscape with the Danube, Castle Hill, and Parliament on departure is genuinely spectacular. The landing views from the right are good but fairly standard bay-approach scenery. Over the Atlantic and Greenland the left side also gets slightly better angles on Greenland's ice sheet as the route arcs north, though both sides see similar mid-flight terrain.

During takeoff from Ferihegy (BUD), sit on the Left side for the best views. Budapest's main departure runway 31L/31R sends aircraft northwest, putting the left (south) side facing back over central Budapest. You'll see the Danube bend through the city, Buda Castle on the hill, and the Parliament building clearly as the aircraft climbs and turns westward. The right side faces open agricultural plains with little of interest. Notable sights include: Danube River through central Budapest, Buda Castle and Castle Hill, Hungarian Parliament Building, Lake Balaton visible to the southwest during climb.

When landing at San Francisco International (SFO), sit on the Right side for the best views. SFO's primary arrival runways 28L/28R bring aircraft in from the east over the Bay, and the right side faces south toward the San Francisco Peninsula, the bay waters, and the Santa Cruz Mountains in the distance. The left side looks north toward Oakland and the East Bay hills, which is less visually dramatic on approach. Notable sights include: San Francisco Bay, San Francisco Peninsula coastline, Santa Cruz Mountains to the south, San Mateo Bridge.

The flight from Ferihegy (BUD) to San Francisco International (SFO) takes Approximately 11 to 12 hours nonstop, though many routings connect via a European hub adding 3 to 5 hours.

The great circle route from Budapest to SFO passes northwest over Austria and southern Germany, then across France or the English Channel, out over the North Atlantic, arcing north over southern Greenland's ice sheet and glaciated coastline, then across the Davis Strait and southern Baffin Island, over the Canadian Rockies in British Columbia and Alberta where peaks like the Columbia Icefield are visible, then descending across the Sierra Nevada and Central Valley of California before reaching the Bay Area