Chicago (ORD) to Washington (IAD) flights
Nonstop from Chicago O'Hare International to Washington Dulles International: distance, flying time, which airlines fly it and how often.
Distance
945km
587 mi, great circle
Flying time
1h 55m
typical, gate to gate
Flights a day
7.9
average, November 2026
Airlines
1
passenger airlines
Airlines flying ORD to IAD
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare ORD to IAD fares by month.
Both directions
Frequently asked questions
How long is the flight from Chicago to Washington?
About 1h 55m gate to gate for the 945 km (587 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from ORD to IAD?
United Airlines, with about 7.9 flights a day between them in our data (AeroDataBox, November 2026).