RM 403 Cheap Flights from Chicago (ORD) to Washington (IAD)

Start packing your suitcase, because round-trip journeys from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD) start from RM 806. 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.

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.

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.

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.

United Airlines (UA) will take you from ORD to Dulles Intl. Airport comfortably and reliably. Choose from 152 flights each month along this route.

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.