Find Deals on Flights from Washington Dulles Intl to Chicago O'Hare International (IAD - ORD)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington Dulles Intl to Chicago O'Hare International

(Round-trip)
Depart: Tue Sep 13 2016 Return: Wed Sep 21 2016 Trip spans 9 days
Depart: Thu Sep 8 2016 Return: Sat Sep 10 2016 Trip spans 3 days
Depart: Mon Nov 14 2016 Return: Wed Nov 16 2016 Trip spans 3 days
Depart: Thu Sep 1 2016 Return: Fri Sep 9 2016 Trip spans 9 days
Depart: Sat Sep 17 2016 Return: Tue Sep 20 2016 Trip spans 4 days
Depart: Tue Sep 20 2016 Return: Wed Sep 21 2016 Trip spans 2 days
Depart: Tue Sep 27 2016 Return: Wed Sep 28 2016 Trip spans 2 days
Depart: Mon Oct 10 2016 Return: Wed Oct 12 2016 Trip spans 3 days
Depart: Tue Nov 29 2016 Return: Sun Dec 4 2016 Trip spans 6 days
Depart: Sat Oct 1 2016 Return: Sun Oct 2 2016 Trip spans 2 days
Depart: Wed Sep 28 2016 Return: Sat Oct 1 2016 Trip spans 4 days
Depart: Tue Oct 4 2016 Return: Wed Oct 12 2016 Trip spans 9 days
Depart: Mon Oct 17 2016 Return: Mon Oct 24 2016 Trip spans 8 days
Depart: Sun Oct 23 2016 Return: Sat Nov 12 2016 Trip spans 21 days
Depart: Wed Sep 14 2016 Return: Thu Sep 15 2016 Trip spans 2 days
Depart: Tue Oct 25 2016 Return: Sat Oct 29 2016 Trip spans 5 days
Depart: Mon Dec 12 2016 Return: Fri Dec 16 2016 Trip spans 5 days
Depart: Thu Sep 15 2016 Return: Mon Sep 19 2016 Trip spans 5 days
Depart: Wed Oct 26 2016 Return: Tue Nov 1 2016 Trip spans 7 days
Depart: Sun Sep 18 2016 Return: Mon Sep 19 2016 Trip spans 2 days
Direct flights IAD to ORD on United
Flight # Depart IAD Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
4630 6:00 am 7:06 am Sep 11 - Oct 2
4630 6:04 am 7:10 am Sep 9 - Sep 9
4630 6:14 am 7:20 am Sep 7 - Sep 15
4630 6:14 am 7:20 am Sep 16 - Oct 5
4630 6:45 am 7:50 am Sep 1 - Sep 6
374 8:15 am 9:23 am Sep 11 - Oct 2
374 8:30 am 9:38 am Sep 5 - Sep 5
374 8:30 am 9:38 am Sep 3 - Sep 3
374 8:30 am 9:38 am Sep 6 - Sep 6
374 8:30 am 9:38 am Sep 2 - Sep 2
4630 8:30 am 9:40 am Sep 4 - Sep 4
374 8:35 am 9:43 am Sep 30 - Sep 30
374 8:35 am 9:43 am Sep 17 - Oct 1
374 8:35 am 9:43 am Sep 15 - Sep 22
374 8:35 am 9:43 am Sep 14 - Sep 28
374 8:35 am 9:43 am Sep 13 - Sep 20
374 8:35 am 9:43 am Sep 7 - Sep 7
374 8:35 am 9:43 am Sep 8 - Sep 8
374 8:35 am 9:43 am Sep 9 - Sep 9
374 8:35 am 9:43 am Sep 12 - Oct 3
374 8:35 am 9:43 am Sep 10 - Sep 10
374 8:35 am 9:43 am Sep 23 - Sep 23
374 8:35 am 9:43 am Sep 27 - Oct 4
374 8:35 am 9:43 am Sep 29 - Sep 29
485 10:15 am 11:14 am Sep 24 - Sep 24
485 10:15 am 11:14 am Sep 30 - Sep 30
485 10:15 am 11:14 am Oct 1 - Oct 1
485 10:15 am 11:14 am Sep 7 - Sep 9
485 10:15 am 11:14 am Sep 8 - Sep 15
485 10:15 am 11:14 am Sep 26 - Oct 4
485 10:15 am 11:14 am Sep 23 - Sep 23
485 10:15 am 11:14 am Sep 10 - Sep 10
485 10:15 am 11:14 am Sep 11 - Oct 2
485 10:15 am 11:14 am Sep 12 - Sep 12
485 10:15 am 11:14 am Sep 16 - Sep 22
485 10:15 am 11:14 am Sep 17 - Sep 17
216 10:21 am 11:20 am Sep 3 - Sep 3
485 10:21 am 11:20 am Aug 26 - Sep 2
485 10:21 am 11:20 am Aug 23 - Sep 6
485 10:21 am 11:20 am Aug 29 - Sep 5
221 12:42 pm 1:38 pm Sep 4 - Sep 4
221 12:45 pm 1:40 pm Aug 29 - Sep 2
221 12:45 pm 1:40 pm Sep 5 - Sep 5
221 12:45 pm 1:40 pm Sep 1 - Sep 6
221 12:50 pm 1:46 pm Sep 3 - Sep 3
221 12:55 pm 1:53 pm Sep 16 - Sep 16
221 12:55 pm 1:53 pm Sep 13 - Sep 29
221 12:55 pm 1:53 pm Sep 12 - Oct 3
221 12:55 pm 1:53 pm Sep 11 - Sep 11
221 12:55 pm 1:53 pm Sep 17 - Sep 17
221 12:55 pm 1:53 pm Sep 24 - Oct 1
221 12:55 pm 1:53 pm Sep 18 - Sep 18
221 12:55 pm 1:53 pm Sep 23 - Sep 30
221 12:55 pm 1:53 pm Sep 10 - Sep 10
221 12:55 pm 1:53 pm Sep 25 - Oct 2
221 12:55 pm 1:53 pm Sep 9 - Sep 9
221 12:55 pm 1:53 pm Sep 7 - Sep 7
221 12:55 pm 1:53 pm Sep 8 - Sep 8
511 5:10 pm 6:21 pm Sep 9 - Sep 14
511 5:10 pm 6:21 pm Sep 16 - Sep 29
511 5:10 pm 6:21 pm Sep 20 - Sep 28
511 5:10 pm 6:21 pm Sep 30 - Oct 5
511 5:10 pm 6:21 pm Sep 25 - Sep 25
511 5:10 pm 6:21 pm Sep 10 - Oct 1
511 5:10 pm 6:20 pm Oct 3 - Oct 3
511 5:10 pm 6:21 pm Sep 8 - Sep 8
511 5:10 pm 6:21 pm Sep 11 - Sep 11
511 5:10 pm 6:20 pm Sep 7 - Sep 7
511 5:10 pm 6:21 pm Sep 15 - Sep 15
511 5:15 pm 6:27 pm Sep 6 - Sep 6
511 5:15 pm 6:27 pm Sep 4 - Sep 4
511 5:15 pm 6:27 pm Sep 2 - Sep 2
511 5:18 pm 6:30 pm Sep 3 - Sep 3
511 5:23 pm 6:35 pm Sep 5 - Sep 5
511 5:24 pm 6:33 pm Oct 2 - Oct 2
1177 7:00 pm 8:09 pm Oct 1 - Oct 1
1282 10:20 pm 11:19 pm Oct 3 - Oct 3
1282 10:35 pm 11:33 pm Sep 25 - Sep 25
1282 10:35 pm 11:34 pm Sep 21 - Oct 1
1282 10:35 pm 11:34 pm Sep 20 - Sep 20
1282 10:35 pm 11:34 pm Sep 18 - Sep 18
1282 10:35 pm 11:34 pm Sep 9 - Sep 19
1282 10:35 pm 11:33 pm Sep 4 - Sep 4
1282 10:35 pm 11:34 pm Aug 25 - Sep 5
1282 10:35 pm 11:34 pm Oct 2 - Oct 5
1282 10:35 pm 11:34 pm Sep 8 - Sep 17
1282 10:35 pm 11:34 pm Aug 31 - Sep 7
4648 10:36 pm 11:37 pm Sep 3 - Sep 3
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
$140
Destination

Chicago
$140
Airlines Airline reviews

67 travelers who booked a flight from Washington to Chicago rated their chosen airlines with an average of 6.1.

Overall
6.4
Boarding
6.3
Crew
7.3
Comfort
6.1
Food
5.2
Entertainment
5.0