£71 Cheap United flights from Washington to Chicago (IAD→ORD)

View £71 flight on Sat, 7 Mar 2026Opens in a new window

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United flights from Washington to Chicago (IAD→ORD)

Prices were available within the past 7 days and start at £71 for one-way flights and £213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 6 Apr - Tue, 14 Apr
IAD
Washington
ORD
Chicago
£213 Return, found 4 hours ago
£213
Return
found 4 hours ago
Select United flight, departing Mon, 6 Apr from Washington to Chicago, returning Tue, 14 Apr, priced at £213 found 4 hours ago
United
Mon, 6 Apr - Sat, 18 Apr
IAD
Washington
ORD
Chicago
£226 Return, found 4 hours ago
£226
Return
found 4 hours ago
Select United flight, departing Mon, 6 Apr from Washington to Chicago, returning Sat, 18 Apr, priced at £226 found 4 hours ago
United
Mon, 6 Apr - Sat, 11 Apr
IAD
Washington
ORD
Chicago
£231 Return, found 4 hours ago
£231
Return
found 4 hours ago
Select United flight, departing Mon, 6 Apr from Washington to Chicago, returning Sat, 11 Apr, priced at £231 found 4 hours ago
United
Mon, 6 Apr - Fri, 10 Apr
IAD
Washington
ORD
Chicago
£247 Return, found 4 hours ago
£247
Return
found 4 hours ago
Select United flight, departing Mon, 6 Apr from Washington to Chicago, returning Fri, 10 Apr, priced at £247 found 4 hours ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from £242
ORD
O'Hare Intl.
Cheapest
Average driving time to city centre23 min
Flights from £242

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

January is typically the cheapest month to fly

From £84 - £174 per traveller.
Flight from Washington to Chicago route information
Origin airport
Washington Dulles Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
Alaska Airlines
Distance
940 km
Average flight time
2 hours 27 mins

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Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from £213 from IAD to ORD. Affordable one-way tickets from £71 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to ORD with United Airlines?
United Airlines flights to Chicago are usually cheaper in the low-season months of January and February. Whether you're after a round-trip or one-way ticket, you could find a better deal then.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
Jet off on one of United Airlines's 28 direct weekly flights from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD). To see what's available, enter your travel dates, origin and destination and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from IAD to ORD with United Airlines?
The travel time for a direct United Airlines flight from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD) takes approximately 2h 15m.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
If flexibility is what you're after, Friday offers the most choice for United Airlines flights from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD). Take your pick of 4 different departures.
What airports does United Airlines fly into in Chicago?
United Airlines flights from Washington Dulles Intl. Airport (IAD) to Chicago touch down at O'Hare Intl. Airport (ORD). This is the main entry point here.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
You'll likely be onboard a Boeing 737-800 or an Airbus A320 when flying United Airlines from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD). However, keep in mind that a different aircraft may be assigned due to operational demands.
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?
Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your itinerary without additional costs, apply the "No cancel fee" or "Changes included" filter when planning your trip.

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