฿3,990 Cheap Flights from Washington (IAD) to Chicago (ORD)

View ฿3,990 flight on Thu, 2 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿3,990 for one-way flights and ฿9,430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿9,430 Return, found 1 day ago
฿9,430
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿9,430 found 1 day ago
United
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿9,465 Return, found 1 day ago
฿9,465
Return
found 1 day ago
Select United flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿9,465 found 1 day ago
American Airlines
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿9,785 Return, found 1 day ago
฿9,785
Return
found 1 day ago
Select American Airlines flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿9,785 found 1 day ago
Delta
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,250 Return, found 1 day ago
฿10,250
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,250 found 1 day ago
United
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,285 Return, found 1 day ago
฿10,285
Return
found 1 day ago
Select United flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,285 found 1 day ago
United
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,405 Return, found 1 day ago
฿10,405
Return
found 1 day ago
Select United flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,405 found 1 day ago
Delta
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,530 Return, found 1 day ago
฿10,530
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,530 found 1 day ago
United
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,575 Return, found 1 day ago
฿10,575
Return
found 1 day ago
Select United flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,575 found 1 day ago
American Airlines
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,605 Return, found 1 day ago
฿10,605
Return
found 1 day ago
Select American Airlines flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,605 found 1 day ago
Delta
Fri, 3 Oct - Tue, 7 Oct
IAD
Washington
ORD
Chicago
฿10,895 Return, found 1 day ago
฿10,895
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Washington to Chicago, returning Tue, 7 Oct, priced at ฿10,895 found 1 day ago

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

February is typically the cheapest month to fly

From ฿3,569 - ฿8,342 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Chicago route information
Origin airport
Washington Dulles Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Return price
฿9,430
Distance
940 km
Average flight time
1 hour 12 mins

Perfect flights from Washington to Chicago

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Chicago. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to O'Hare Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,990 and roundtrip prices from ฿9,430. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at O'Hare Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Chicago.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to O'Hare Airport?
Round-trip flights from Washington Dulles Intl. Airport (IAD) to ORD start from ฿9,430. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss 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 Washington Dulles Intl. Airport (IAD) to O'Hare Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from IAD to ORD 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 Dulles Intl. Airport to O'Hare Intl. Airport (ORD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
With a flight distance of 950 kilometres, it's just a hop from IAD to O'Hare Airport. It might be a quick journey, but it's still worth bringing something to read.
Which airlines fly direct from IAD to O'Hare Airport?
Offering 152 monthly flights, United Airlines (UA) is a great choice when flying straight from Washington Dulles Intl. Airport (IAD) to ORD.
Are Dulles Intl. Airport to O'Hare Intl. Airport (ORD) flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute flight deals between Washington Dulles Intl. Airport (IAD) and O'Hare Intl. Airport (ORD) are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers publicize their prices up to a year ahead of the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to lock in your seat when the price is low.

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