S$123 Cheap Flights from Chicago to Washington

View S$123 flight on Thu, 5 Mar, 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 S$123 for one-way flights and S$381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 5 Mar - Sun, 8 Mar
ORD
Chicago
IAD
Washington
S$381 Return, found 1 hour ago
S$381
Return
found 1 hour ago
Select Delta flight, departing Thu, 5 Mar from Chicago to Washington, returning Sun, 8 Mar, priced at S$381 found 1 hour ago
United
Thu, 5 Mar - Sun, 8 Mar
ORD
Chicago
IAD
Washington
S$412 Return, found 1 hour ago
S$412
Return
found 1 hour ago
Select United flight, departing Thu, 5 Mar from Chicago to Washington, returning Sun, 8 Mar, priced at S$412 found 1 hour ago
United
Thu, 5 Mar - Sun, 8 Mar
ORD
Chicago
IAD
Washington
S$457 Return, found 1 hour ago
S$457
Return
found 1 hour ago
Select United flight, departing Thu, 5 Mar from Chicago to Washington, returning Sun, 8 Mar, priced at S$457 found 1 hour ago
United
Thu, 5 Mar - Sun, 8 Mar
ORD
Chicago
IAD
Washington
S$468 Return, found 1 hour ago
S$468
Return
found 1 hour ago
Select United flight, departing Thu, 5 Mar from Chicago to Washington, returning Sun, 8 Mar, priced at S$468 found 1 hour ago
United
Thu, 5 Mar - Sun, 8 Mar
ORD
Chicago
IAD
Washington
S$513 Return, found 1 hour ago
S$513
Return
found 1 hour ago
Select United flight, departing Thu, 5 Mar from Chicago to Washington, returning Sun, 8 Mar, priced at S$513 found 1 hour ago

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

January is typically the cheapest month to fly

From S$143 - S$478 per traveller.
Chicago to Washington route information
Origin airport
O'Hare Intl.
Destination airport
Washington Dulles Intl.
Return price
S$380
Distance
940 km
Average flight time
3 hours 2 mins

Perfect flights from Chicago to Washington

Your Journey from Chicago to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from Chicago to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from O'Hare Intl. to Washington Dulles Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 15 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Chicago to Washington Flights

Experience the joy of finding cheap flights from O'Hare Intl. to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$123 and roundtrip prices from S$381*.
 

Pre-Flight Essentials

Ensure a smooth journey from Chicago to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Chicago to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Chicago to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Chicago to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Chicago to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$381. 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 kilometres. 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.

Explore a world of travel with Expedia

*Available to Expedia members.