Find Deals on Flights from Washington Dulles Intl to Chicago (IAD - CHI)

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

(Round-trip)
Depart: Sat Oct 1 2016 Return: Sun Oct 2 2016 Trip spans 2 days
Depart: Thu Sep 15 2016 Return: Thu Sep 22 2016 Trip spans 8 days
Depart: Tue Sep 27 2016 Return: Tue Oct 4 2016 Trip spans 8 days
Depart: Tue Aug 30 2016 Return: Sun Sep 11 2016 Trip spans 13 days
Depart: Thu Oct 27 2016 Return: Mon Oct 31 2016 Trip spans 5 days
Depart: Tue Sep 13 2016 Return: Tue Sep 20 2016 Trip spans 8 days
Depart: Mon Nov 21 2016 Return: Thu Nov 24 2016 Trip spans 4 days
Depart: Tue Oct 4 2016 Return: Tue Oct 11 2016 Trip spans 8 days
Depart: Sat Sep 17 2016 Return: Tue Sep 20 2016 Trip spans 4 days
Depart: Thu Nov 24 2016 Return: Tue Nov 29 2016 Trip spans 6 days
Depart: Thu Nov 3 2016 Return: Tue Nov 8 2016 Trip spans 6 days
Depart: Wed Sep 21 2016 Return: Sat Oct 1 2016 Trip spans 11 days
Depart: Sat Jan 28 2017 Return: Mon Jan 30 2017 Trip spans 3 days
Depart: Thu Nov 24 2016 Return: Wed Nov 30 2016 Trip spans 7 days
Depart: Sat Sep 24 2016 Return: Sat Oct 1 2016 Trip spans 8 days
Depart: Wed Feb 1 2017 Return: Sat Feb 4 2017 Trip spans 4 days
Depart: Thu Dec 1 2016 Return: Mon Dec 5 2016 Trip spans 5 days
Depart: Tue Sep 27 2016 Return: Sat Oct 1 2016 Trip spans 5 days
Depart: Thu Feb 23 2017 Return: Tue Feb 28 2017 Trip spans 6 days
Depart: Thu Dec 8 2016 Return: Mon Dec 12 2016 Trip spans 5 days
Direct flights IAD to CHI 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 16 - Oct 5
4630 6:14 am 7:20 am Sep 7 - Sep 15
4630 6:45 am 7:50 am Sep 5 - Sep 6
1185 6:50 am 7:58 am Oct 6 - Oct 14
374 8:15 am 9:23 am Sep 11 - Oct 2
374 8:30 am 9:38 am Sep 6 - Sep 6
374 8:30 am 9:38 am Sep 5 - Sep 5
374 8:35 am 9:43 am Sep 20 - Sep 20
374 8:35 am 9:43 am Sep 19 - Oct 3
374 8:35 am 9:43 am Sep 16 - Sep 16
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 12 - Sep 12
374 8:35 am 9:43 am Sep 14 - Sep 14
374 8:35 am 9:43 am Sep 13 - Sep 13
374 8:35 am 9:43 am Sep 10 - Sep 10
374 8:35 am 9:43 am Oct 5 - Oct 5
374 8:35 am 9:43 am Sep 30 - Sep 30
374 8:35 am 9:43 am Sep 29 - Sep 29
374 8:35 am 9:43 am Sep 27 - Oct 4
374 8:35 am 9:43 am Sep 23 - Sep 23
374 8:35 am 9:43 am Sep 21 - Sep 28
374 8:35 am 9:43 am Sep 8 - Sep 8
374 8:35 am 9:43 am Sep 7 - Sep 7
374 8:35 am 9:43 am Sep 9 - Sep 9
485 10:15 am 11:14 am Sep 16 - Sep 22
485 10:15 am 11:14 am Sep 7 - Sep 9
485 10:15 am 11:14 am Sep 24 - Sep 24
485 10:15 am 11:14 am Sep 23 - Sep 23
485 10:15 am 11:17 am Oct 6 - Oct 6
485 10:15 am 11:14 am Oct 5 - Oct 5
485 10:15 am 11:14 am Oct 1 - Oct 1
485 10:15 am 11:14 am Sep 30 - Sep 30
485 10:15 am 11:14 am Sep 10 - Sep 10
485 10:15 am 11:14 am Sep 8 - Sep 15
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 17 - Sep 17
485 10:15 am 11:14 am Sep 26 - Oct 4
485 10:21 am 11:20 am Aug 29 - Sep 5
485 10:21 am 11:20 am Aug 30 - Sep 6
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 1:49 pm Oct 6 - Oct 6
221 12:55 pm 1:53 pm Sep 17 - Sep 17
221 12:55 pm 1:53 pm Sep 16 - Sep 16
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 24 - Oct 1
221 12:55 pm 1:53 pm Oct 4 - Oct 4
221 12:55 pm 1:53 pm Oct 5 - Oct 5
221 12:55 pm 1:53 pm Sep 13 - Sep 29
221 12:55 pm 1:53 pm Sep 11 - Sep 11
221 12:55 pm 1:53 pm Sep 7 - Sep 7
221 12:55 pm 1:53 pm Sep 9 - Sep 9
221 12:55 pm 1:53 pm Sep 12 - Oct 3
221 12:55 pm 1:53 pm Sep 25 - Oct 2
221 12:55 pm 1:53 pm Sep 10 - Sep 10
221 12:55 pm 1:53 pm Sep 8 - Sep 8
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 6:20 pm Oct 3 - Oct 3
511 5:10 pm 6:18 pm Oct 6 - Oct 6
511 5:10 pm 6:21 pm Sep 21 - Sep 28
511 5:10 pm 6:21 pm Oct 4 - Oct 4
511 5:10 pm 6:21 pm Sep 16 - Sep 23
511 5:10 pm 6:21 pm Sep 20 - Sep 27
511 5:10 pm 6:21 pm Sep 19 - Sep 29
511 5:10 pm 6:20 pm Sep 7 - Sep 7
511 5:10 pm 6:21 pm Sep 9 - Sep 14
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 6:21 pm Sep 10 - Oct 1
511 5:10 pm 6:21 pm Sep 15 - Sep 15
511 5:10 pm 6:21 pm Sep 12 - Sep 13
511 5:15 pm 6:27 pm Sep 6 - Sep 6
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 6 - Oct 27
1282 10:20 pm 11:19 pm Oct 3 - Oct 3
1282 10:35 pm 11:34 pm Sep 6 - Sep 17
1282 10:35 pm 11:34 pm Oct 2 - Oct 5
1282 10:35 pm 11:34 pm Sep 27 - Oct 4
1282 10:35 pm 11:33 pm Sep 25 - Sep 25
1282 10:35 pm 11:34 pm Sep 20 - Sep 20
1282 10:35 pm 11:34 pm Sep 19 - Sep 26
1282 10:35 pm 11:34 pm Sep 18 - Sep 18
1282 10:35 pm 11:34 pm Aug 29 - Sep 5
1282 10:35 pm 11:34 pm Sep 9 - Sep 16
* 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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$140
Destination

Chicago
only $140
only $224