￥18,990 Cheap Flights from Chicago (ORD) to Washington (IAD)

View ￥18,990 flight on Sat, Jan 17, 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 ￥18,990 for one-way flights and ￥42,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 22 - Tue, Jan 27
ORD
Chicago
IAD
Washington
￥42,130 Roundtrip, found 4 days ago
￥42,130
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Chicago to Washington, returning Tue, Jan 27, priced at ￥42,130 found 4 days ago
Delta
Thu, Jan 22 - Tue, Jan 27
ORD
Chicago
IAD
Washington
￥42,450 Roundtrip, found 4 days ago
￥42,450
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Chicago to Washington, returning Tue, Jan 27, priced at ￥42,450 found 4 days ago
American Airlines
Tue, Mar 31 - Tue, Apr 28
ORD
Chicago
IAD
Washington
￥45,040 Roundtrip, found 6 days ago
￥45,040
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Mar 31 from Chicago to Washington, returning Tue, Apr 28, priced at ￥45,040 found 6 days ago
Delta
Tue, Mar 24 - Sat, Apr 4
ORD
Chicago
IAD
Washington
￥45,080 Roundtrip, found 19 hours ago
￥45,080
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Mar 24 from Chicago to Washington, returning Sat, Apr 4, priced at ￥45,080 found 19 hours ago
Delta
Tue, Mar 24 - Fri, Apr 3
ORD
Chicago
IAD
Washington
￥46,690 Roundtrip, found 19 hours ago
￥46,690
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Mar 24 from Chicago to Washington, returning Fri, Apr 3, priced at ￥46,690 found 19 hours ago
Delta
Sat, Jan 10 - Sat, Jan 17
ORD
Chicago
IAD
Washington
￥48,090 Roundtrip, found 19 hours ago
￥48,090
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Jan 10 from Chicago to Washington, returning Sat, Jan 17, priced at ￥48,090 found 19 hours ago
Delta
Fri, Mar 27 - Fri, Apr 3
ORD
Chicago
IAD
Washington
￥48,200 Roundtrip, found 19 hours ago
￥48,200
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Mar 27 from Chicago to Washington, returning Fri, Apr 3, priced at ￥48,200 found 19 hours ago
Delta
Sat, Jan 10 - Wed, Jan 21
ORD
Chicago
IAD
Washington
￥48,730 Roundtrip, found 19 hours ago
￥48,730
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Jan 10 from Chicago to Washington, returning Wed, Jan 21, priced at ￥48,730 found 19 hours ago
United
Thu, Jan 22 - Tue, Jan 27
ORD
Chicago
IAD
Washington
￥50,440 Roundtrip, found 4 days ago
￥50,440
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from Chicago to Washington, returning Tue, Jan 27, priced at ￥50,440 found 4 days ago
Alaska Airlines
Wed, Mar 25 - Sat, Mar 28
ORD
Chicago
IAD
Washington
￥126,990 Roundtrip, found 1 day ago
￥126,990
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Mar 25 from Chicago to Washington, returning Sat, Mar 28, priced at ￥126,990 found 1 day ago

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

January is typically the cheapest month to fly

From ￥17,105 - ￥57,394 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from ￥48,090
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from ￥48,090
Flights from Chicago (ORD) to Washington (IAD)
Origin airport
O'Hare Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
￥42,130
Distance
940 km
Average flight time
3 hours 50 mins

Chicago to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from O'Hare Airport to Washington Dulles Intl. Airport (IAD)?
Round-trip journeys from O'Hare Intl. Airport (ORD) to Dulles Intl. Airport start from ￥42,130. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. 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 Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)?
Most flights can be canceled online, but whether or not you are charged a fee differs between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (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 ORD to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from ORD to Dulles Intl. Airport?
With the average flight time between ORD and Washington Dulles Intl. Airport (IAD) an easy 1 hour and 55 minutes, you'll be strolling around Chantilly before you know it.
How far is the flight from ORD to IAD?
It's just 950 kilometers between O'Hare Intl. Airport (ORD) and IAD. Chances are you'll spend more time traveling to and from the airport than actually flying!
Which airlines fly direct from O'Hare Airport to Washington Dulles Intl. Airport (IAD)?
With 152 flights every month from O'Hare Airport to Washington Dulles Intl. Airport (IAD), United Airlines (UA) is a terrific choice. Another airline servicing this route is Sun Country Airlines (SY). You'll have 4 flights every month to take your pick of.
Are O'Hare Intl. Airport (ORD) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from ORD to IAD are available up to 12 months prior to departure on Expedia. And although you may score a fantastic last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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