Economy Class offers 32-inch pitch and 17-inch width seats, enhancing comfort.
ShebaSkyConnect provides Wi-Fi on A350, B777, and most B787 aircraft.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $157 (Kiwi.com) |
One-way from | $80 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $353 |
Good round-trip deal | $662 or less |
Good one-way deal | $211 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 2/28
1:02 pm-4:05 pm
Nonstop2h 03m
Washington, D.C. Dulles Intl
Wed 3/4
1:02 pm-2:20 pm
Nonstop2h 18m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 1/17
6:50 am-11:49 am
1 stop3h 59m
Washington, D.C. Dulles Intl
Tue 1/20
5:26 pm-9:05 pm
1 stop4h 39m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Thu 1/1
5:30 am-12:13 pm
1 stop5h 43m
Washington, D.C. Dulles Intl
Tue 1/6
6:00 am-9:41 am
1 stop4h 41m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 2/28
6:30 am-11:50 am
1 stop4h 20m
Washington, D.C. Dulles Intl
Wed 3/4
12:38 pm-4:41 pm
1 stop5h 03m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Fri 1/16
6:17 pm-9:17 pm
Nonstop2h 00m
Washington, D.C. Dulles Intl
Sun 1/18
5:17 pm-6:37 pm
Nonstop2h 20m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 2/14
5:37 pm-11:09 pm
1 stop4h 32m
Washington, D.C. Dulles Intl
Mon 2/16
5:11 pm-8:44 pm
1 stop4h 33m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Thu 1/15
1:00 pm-4:00 pm
Nonstop2h 00m
Washington, D.C. Dulles Intl
Mon 1/19
1:05 pm-2:25 pm
Nonstop2h 20m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 1/14
5:59 pm-11:37 pm
1 stop4h 38m
Washington, D.C. Dulles Intl
Thu 1/22
7:15 am-1:40 pm
1 stop7h 25m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Tue 3/3
9:52 am-6:36 pm
1 stop7h 44m
Washington, D.C. Dulles Intl
Sat 3/7
10:57 am-4:54 pm
1 stop6h 57m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Thu 2/12
8:50 am-11:49 am
Nonstop1h 59m
Washington, D.C. Dulles Intl
Fri 2/13
10:30 pm-11:43 pm
Nonstop2h 13m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport (average of $142). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $253). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 51% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 17% of weekly flights between Chicago and Washington, D.C. have experienced delays in the past year, with the average delay time being 132 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$321 | FlexibilityNo cancel fee | On-time69% |