฿3,540 Cheap Flights from Washington (IAD) to Chicago (ORD)

View ฿3,540 flight on Sat, 20 Sep 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 ฿3,540 for one-way flights and ฿7,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿7,080 Return, found 6 days ago
฿7,080
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿7,080 found 6 days ago
United
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿7,905 Return, found 6 days ago
฿7,905
Return
found 6 days ago
Select United flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿7,905 found 6 days ago
Delta
Sat, 27 Sep - Wed, 1 Oct
IAD
Washington
ORD
Chicago
฿8,065 Return, found 6 days ago
฿8,065
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Wed, 1 Oct, priced at ฿8,065 found 6 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿8,090 Return, found 6 days ago
฿8,090
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿8,090 found 6 days ago
Delta
Sat, 27 Sep - Wed, 1 Oct
IAD
Washington
ORD
Chicago
฿8,520 Return, found 6 days ago
฿8,520
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Wed, 1 Oct, priced at ฿8,520 found 6 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿8,555 Return, found 6 days ago
฿8,555
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿8,555 found 6 days ago
Delta
Sat, 27 Sep - Sun, 28 Sep
IAD
Washington
ORD
Chicago
฿8,710 Return, found 6 days ago
฿8,710
Return
found 6 days ago
Select Delta flight, departing Sat, 27 Sep from Washington to Chicago, returning Sun, 28 Sep, priced at ฿8,710 found 6 days ago
United
Sat, 11 Oct - Tue, 14 Oct
IAD
Washington
ORD
Chicago
฿8,725 Return, found 6 days ago
฿8,725
Return
found 6 days ago
Select United flight, departing Sat, 11 Oct from Washington to Chicago, returning Tue, 14 Oct, priced at ฿8,725 found 6 days ago
Southern Airways Express
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿8,800 Return, found 6 days ago
฿8,800
Return
found 6 days ago
Select Southern Airways Express flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿8,800 found 6 days ago
American Airlines
Sat, 27 Sep - Mon, 29 Sep
IAD
Washington
ORD
Chicago
฿8,875 Return, found 6 days ago
฿8,875
Return
found 6 days ago
Select American Airlines flight, departing Sat, 27 Sep from Washington to Chicago, returning Mon, 29 Sep, priced at ฿8,875 found 6 days ago

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

February is typically the cheapest month to fly

From ฿3,583 - ฿7,461 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.
Return price
฿7,080
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 Chicago, 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 ฿3,540 and roundtrip prices from ฿7,080. 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 Chicago 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 IAD to ORD 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 ฿7,080. 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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