The cheapest flights we could find in 10/12 on United Airlines from ORD to IAD are:
How many flights does United Airlines fly from ORD to IAD?
United Airlines flies 2,839 flights every month between ORD and IAD.
What aircraft type does United Airlines fly to ORD and IAD?
United Airlines typically flies the Airbus A319 out of ORD and returns on a Airbus A320 from IAD.
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 09/19/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.