
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)
- United
United
- Frontier Airlines
Frontier Airlines
- Delta
Delta
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
Cheap Flights from Chicago to Washington (ORD-IAD)
Prices were available within the past 7 days and start at ₩186,100 for one-way flights and ₩461,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.







Find the cheapest month to fly from Chicago (ORD) to Washington (IAD)
February is typically the cheapest month to fly
Travel information
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Washington Dulles Intl. |
Airlines serving | United |
Roundtrip price | ₩461,300 |
Distance | 940 km |
Average flight time | 5 hours 57 mins |
Book with confidence
Chicago to Chantilly 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 Chantilly 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 Chantilly.
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.
Explore a world of travel with Expedia
Top Routes from Chicago
- Chicago to Newark Liberty Intl. Airport (ORD - EWR)
- Chicago to Los Angeles (ORD - LAX)
- Chicago to Bangkok (ORD - BKK)
- Chicago to Kathmandu (ORD - KTM)
- Chicago to Hong Kong (ORD - HKG)
- Chicago to New York (ORD - LGA)
- Chicago to Honolulu (ORD - HNL)
- Chicago to Seoul (ORD - GMP)
- Chicago to New York (ORD - JFK)
- Chicago to Seoul (ORD - ICN)
- Chicago to Baltimore (ORD - BWI)
- Chicago to Beijing (ORD - PEK)
Top Routes to Washington
- Newark Liberty Intl. Airport to Washington (EWR - IAD)
- Boston to Washington (BOS - IAD)
- New York to Washington (LGA - IAD)
- Seoul to Washington (GMP - IAD)
- New York to Washington (JFK - IAD)
- Busan to Washington (PUS - IAD)
- Houston to Washington (IAH - IAD)
- Dallas to Washington (DFW - IAD)
- Seoul to Washington (ICN - IAD)
- London to Washington (LHR - IAD)
- Toronto to Washington (YYZ - IAD)
- Indianapolis to Washington (IND - IAD)
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to Los Angeles
- Flights to San Francisco
- Flights to Miami
- Flights to San Diego
- Flights to Gatlinburg
- Flights to Nashville
- Flights to San Antonio
- Flights to Boston
- Flights to Atlanta
- Flights to Austin
- Flights to Key West
- Flights to New Orleans
- Flights to Honolulu
- Flights to Fort Lauderdale
- Flights to Dallas
- Flights to Anaheim