Cheap Flights from Chicago (ORD) to Washington (IAD) from HK$940~

View HK$940 flight on Tue, 23 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$940 for one-way flights and HK$2,514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 14 Aug - Sat, 23 Aug
ORD
Chicago
IAD
Washington
HK$2,514 Return, found 1 day ago
HK$2,514
Return
found 1 day ago
Select Delta flight, departing Thu, 14 Aug from Chicago to Washington, returning Sat, 23 Aug, priced at HK$2,514 found 1 day ago
Delta
Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
IAD
Washington
HK$2,568 Return, found 1 day ago
HK$2,568
Return
found 1 day ago
Select Delta flight, departing Thu, 14 Aug from Chicago to Washington, returning Thu, 21 Aug, priced at HK$2,568 found 1 day ago
United
Sun, 14 Sep - Sun, 21 Sep
ORD
Chicago
IAD
Washington
HK$2,696 Return, found 1 day ago
HK$2,696
Return
found 1 day ago
Select United flight, departing Sun, 14 Sep from Chicago to Washington, returning Sun, 21 Sep, priced at HK$2,696 found 1 day ago
United
Mon, 8 Sep - Fri, 12 Sep
ORD
Chicago
IAD
Washington
HK$2,704 Return, found 3 days ago
HK$2,704
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Chicago to Washington, returning Fri, 12 Sep, priced at HK$2,704 found 3 days ago
Delta
Thu, 14 Aug - Fri, 22 Aug
ORD
Chicago
IAD
Washington
HK$2,718 Return, found 1 day ago
HK$2,718
Return
found 1 day ago
Select Delta flight, departing Thu, 14 Aug from Chicago to Washington, returning Fri, 22 Aug, priced at HK$2,718 found 1 day ago
Delta
Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
IAD
Washington
HK$2,760 Return, found 1 day ago
HK$2,760
Return
found 1 day ago
Select Delta flight, departing Thu, 14 Aug from Chicago to Washington, returning Thu, 21 Aug, priced at HK$2,760 found 1 day ago
Delta
Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
IAD
Washington
HK$2,761 Return, found 1 day ago
HK$2,761
Return
found 1 day ago
Select Delta flight, departing Thu, 14 Aug from Chicago to Washington, returning Thu, 21 Aug, priced at HK$2,761 found 1 day ago
United
Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
IAD
Washington
HK$2,771 Return, found 1 day ago
HK$2,771
Return
found 1 day ago
Select United flight, departing Thu, 14 Aug from Chicago to Washington, returning Thu, 21 Aug, priced at HK$2,771 found 1 day ago
Delta
Mon, 8 Sep - Fri, 12 Sep
ORD
Chicago
IAD
Washington
HK$2,782 Return, found 3 days ago
HK$2,782
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Sep from Chicago to Washington, returning Fri, 12 Sep, priced at HK$2,782 found 3 days ago
American Airlines
Sun, 14 Sep - Sun, 21 Sep
ORD
Chicago
IAD
Washington
HK$2,826 Return, found 1 day ago
HK$2,826
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Sep from Chicago to Washington, returning Sun, 21 Sep, priced at HK$2,826 found 1 day ago

Find the cheapest month to fly from Chicago (ORD) to Washington (IAD)

February is typically the cheapest month to fly

From HK$869 - HK$3,305 per traveller.

Graph displaying average flight prices per month

Chicago to Washington route information
Origin airport
O'Hare Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$2,514
Distance
940 km
Average flight time
3 hours 1 min

Flights from Chicago to Chantilly

Book cheap flights from Chicago (ORD) to Chantilly (IAD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chicago (ORD) to Chantilly (IAD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago (ORD) to Chantilly (IAD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chantilly flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chantilly and things to do in Chantilly for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chantilly more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chantilly is HK$940 now!

 

Frequently asked questions

How much is a flight from O'Hare Airport to Dulles Intl. Airport?
Start packing your suitcase, because round-trip journeys from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD) start from HK$2,514. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Washington Dulles Intl. Airport (IAD)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from ORD to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ORD to Washington Dulles Intl. Airport (IAD)?
The flight distance from O'Hare Intl. Airport (ORD) (ORD) to Dulles Intl. Airport (IAD) is 950 kilometers. You'll be disembarking the plane and collecting your baggage from the carousel in next to no time.
Which airlines fly direct from ORD to Washington Dulles Intl. Airport (IAD)?
United Airlines (UA) will take you from ORD to Dulles Intl. Airport comfortably and reliably. Choose from 152 flights each month along this route.
Are O'Hare Airport to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from ORD to IAD are available up to 12 months before departure on Expedia. And although you may score fantastic last-minute deals, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

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