AED1,140 Cheap Flights from Chicago (ORD) to Washington (IAD)

View AED1,140 flight on Mon, 20 April 2026Opens in a new window

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

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Cheap Flights from Chicago to Washington (ORD-IAD)

Prices were available within the past 7 days and start at AED1,140 for one-way flights and AED1,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,600 Roundtrip, found 2 days ago
AED1,600
Roundtrip
found 2 days ago
Select Delta flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,600 found 2 days ago
Delta
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,720 Roundtrip, found 2 days ago
AED1,720
Roundtrip
found 2 days ago
Select Delta flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,720 found 2 days ago
Delta
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,750 Roundtrip, found 2 days ago
AED1,750
Roundtrip
found 2 days ago
Select Delta flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,750 found 2 days ago
American Airlines
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,770 Roundtrip, found 2 days ago
AED1,770
Roundtrip
found 2 days ago
Select American Airlines flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,770 found 2 days ago
Delta
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,790 Roundtrip, found 2 days ago
AED1,790
Roundtrip
found 2 days ago
Select Delta flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,790 found 2 days ago
Delta
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,830 Roundtrip, found 2 days ago
AED1,830
Roundtrip
found 2 days ago
Select Delta flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,830 found 2 days ago
United
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,840 Roundtrip, found 2 days ago
AED1,840
Roundtrip
found 2 days ago
Select United flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,840 found 2 days ago
United
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,860 Roundtrip, found 2 days ago
AED1,860
Roundtrip
found 2 days ago
Select United flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,860 found 2 days ago
American Airlines
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,890 Roundtrip, found 2 days ago
AED1,890
Roundtrip
found 2 days ago
Select American Airlines flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,890 found 2 days ago
United
Monday, 20 April, 2026 - Saturday, 9 May, 2026
ORD
Chicago
IAD
Washington
AED1,900 Roundtrip, found 2 days ago
AED1,900
Roundtrip
found 2 days ago
Select United flight, departing Monday, 20 April, 2026 from Chicago to Washington, returning Saturday, 9 May, 2026, priced at AED1,900 found 2 days ago

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.
Roundtrip price
AED1,600
Distance
940 km
Average flight time
4 hours 59 mins

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