Sit on the Left side of the plane for the best views on flights from Vienna to Washington. The left side wins overall because the departure view over Vienna and the Danube is genuinely spectacular and distinctive, and during the transatlantic cruise the left side faces south, giving daytime views over the English Channel, southern Ireland coastline, and eventually the Canadian Maritime provinces as you descend toward the US East Coast. The landing views at Dulles are good on the right but less dramatic than the Vienna departure.

During takeoff from Schwechat (VIE), sit on the Left side for the best views. VIE typically departs westbound on runway 29 or northwestbound on runway 34. A left-side seat gives you a view back over Vienna city center as you climb out, with the Danube River clearly visible curving through the urban area. The Vienna Woods (Wienerwald) hills appear to the southwest as you gain altitude. Notable sights include: Vienna city center and Ringstrasse, Danube River bend through the city, Wienerwald hills to the southwest, Bratislava visible to the east across the Danube plain.

When landing at Washington Dulles International (IAD), sit on the Right side for the best views. IAD typically lands on runways 01R or 19L depending on wind, but the most common approach from the east brings aircraft in from the northeast on runway 01R heading south. A right-side seat on approach gives views over the northern Virginia suburbs, the Potomac River, and the broader DC metro area to the east. On runway 19L approaches from the south, right side still captures the Potomac and Maryland countryside. Notable sights include: Potomac River broad curves through northern Virginia and Maryland, Blue Ridge Mountains on the western horizon during descent, Dulles Access Road corridor below, suburban Fairfax County grid.

The flight from Schwechat (VIE) to Washington Dulles International (IAD) takes Approximately 9 to 10 hours.

The route tracks northwest over the Czech Republic and Germany, crosses the Rhine valley, then passes over the Netherlands and exits European landmass near the southern UK or northern France coast. The transatlantic crossing passes south of Iceland and Greenland's tip, over the Labrador Sea, then crosses Newfoundland and Nova Scotia before descending over New England and the Mid-Atlantic states toward Dulles.