$96 Find Cheap Flights from Washington Dulles Airport to Chicago O'Hare Airport - Compare and Save

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport:

• Earliest: departs at 6:10 am and lands at 8:30 am
• Latest: departs at 10:47 pm and lands at 1:07 am.

The flight takes about 2h 20m.

Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport:

• Economy Class
• First Class

A nonstop flight from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport takes 2h 20m, covering 587 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport range from $284 to $489, with an average of $364 over the past 12 months. Anything below $284 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 65% above the $364 route average. Book 5 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $224 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $371 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-900 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A321neo variants.

Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport flights, with 43% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 14%, and night flights for 14%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $191 to $1,152. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $128, which is 43% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Flights from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Chicago O'Hare Intl (ORD).

One-stop flights from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 85% of one-stop connections
• Charlotte Douglas (CLT) - 8% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 5% of one-stop connections
• Orlando (MCO) - 2% of one-stop connections

Yes. Flexible dates can save you up to 40% on flights from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport. Saturday is the cheapest departure day at $297 round-trip on average, while Monday is the most expensive at $487, a difference of $190.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Chicago O'Hare Intl Airport.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 24m, compared with 4h 43m via Charlotte Douglas (CLT) and 7h 56m via Atlanta Hartsfield-Jackson (ATL).

Chicago O'Hare Intl Airport is 1 hour behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Consider booking flights from Washington Dulles Airport to Chicago O’Hare with American Airlines, United Airlines, or Spirit Airlines. O’Hare International Airport (ORD) is a hub for United Airlines and American Airlines and is an operating base for Spirit Airlines. Flying with these three carriers gives you more flight options to ORD, and you can easily connect to other cities from the destination airport. American Airlines and Spirit Airlines operate out of Terminal 3, while United Airlines operates from Terminal 1.

Delta Air Lines requires children aged five to 14 to use the Unaccompanied Minor Service when flying to ORD from IAD alone. It is also available for those aged from 15 to 17 on request. The accompanying guardian should also show a photo ID with their address, phone number, and the pick-up adult’s address, contact, and name at check-in.

Differently-abled travelers can book flights from Washington Dulles Airport (IAD) to Chicago O’Hare Airport (ORD) with Alaska Airlines or United Airlines. The carrier’s seats have armrests to ease movement, and aircraft lavatories have handrails. In addition to wheelchair assistance, they provide baggage handling services. Low-vision passengers get braille and large-print reading materials on Alaska Airlines, while hard-of-hearing travelers get free headsets.

Frontier allows one carry-on and a personal item like a computer bag or a backpack on flights from IAD to ORD. The carry-on should be at most 35 lb and 24 x 16 x 10 inches to fit in the overhead bin. The personal item should be no larger than 14 x 18 x 8 inches and fit beneath an airplane seat.