Cheap Flights from Chicago (ORD) to Washington (IAD)

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Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)

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Frequently asked questions

How long does it take to fly from ORD to Washington Dulles Intl. Airport (IAD)?
A direct flight with United Airlines takes about 1 hour and 50 minutes. Step on board the 10:35AM flight from O'Hare Airport and arrive at Washington Dulles Intl. Airport (IAD) at 1:25PM. Grab an amazing deal on this and many other routes when you use Expedia to arrange your trip.
Is it cheaper to buy a plane ticket from ORD to Dulles Intl. Airport last minute?
Being spontaneous is a terrific way to travel the globe, but it's not always the best way to land a cheap plane ticket. Consider booking your ORD to Washington Dulles Intl. Airport (IAD) journey well ahead of time instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you're discovering Washington Dulles Intl. Airport (IAD)!
What airports do you fly into for Washington from Chicago?
With Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to pick from, making your way from Chicago to Washington is a snap. The city's major gateway, Washington Dulles Intl. Airport (IAD), is approximately 40 kilometers west of the center. As well as ticket costs, consider things like public transportation options from the airport and the distance to your hotel before making your decision. Get your Washington vacation off to a fun start by discovering White House and United States Capitol.
What are the most popular departure times for flights from O'Hare Airport to Dulles Intl. Airport?
Between 6:00 PM - 7:00 PM is when you'll find lots of United Airlines flights taking off from ORD to Washington Dulles Intl. Airport (IAD). Our top tip? Book a trip that departs earlier in the day. With air traffic yet to build up around airports, your chances of hopping on a delay-free flight are higher.
Can I change the date of my flight from ORD to Washington Dulles Intl. Airport (IAD)?
We know life happens and plans change, so Expedia is here to help make things easier. First, find your ORD to Washington Dulles Intl. Airport (IAD) itinerary through the Expedia Trips portal and read the fare rules to see if change fees apply. If you booked in the last 24 hours, some carriers will let you cancel at no cost and book new flights. If you bought your ticket more than 24 hours ago, get in touch with us via our Customer Service portal so we can help you further.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Washington Dulles Intl.
Distance
940 km
Average flight time
4 hours 58 mins

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