Browse Origins:
Browse Destinations:

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

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Dulles Intl to Chicago O'Hare International

(Round-trip)
Depart: Sat Feb 21 2015 Return: Fri Feb 27 2015 Trip spans 7 days
Frontier
Frontier
IAD
3:30a
ORD
5:35a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Mon Mar 2 2015 Return: Fri Mar 6 2015 Trip spans 5 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Wed Mar 4 2015 Return: Fri Mar 6 2015 Trip spans 3 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Sat Feb 7 2015 Return: Sat Feb 14 2015 Trip spans 8 days
Frontier
Frontier
IAD
3:30a
ORD
5:35a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Wed Feb 18 2015 Return: Fri Feb 20 2015 Trip spans 3 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Mon Feb 23 2015 Return: Wed Feb 25 2015 Trip spans 3 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Wed Feb 4 2015 Return: Sat Feb 7 2015 Trip spans 4 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Wed Feb 11 2015 Return: Sat Feb 14 2015 Trip spans 4 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Wed Feb 25 2015 Return: Fri Feb 27 2015 Trip spans 3 days
Frontier
Frontier
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Fri Feb 27 2015 Return: Sat Feb 28 2015 Trip spans 2 days
Frontier
Frontier
IAD
3:30a
ORD
5:35a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Sat Feb 28 2015 Return: Mon Mar 2 2015 Trip spans 3 days
Frontier
Frontier
IAD
3:30a
ORD
5:35a
2h 05m
nonstop
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
Depart: Fri Mar 6 2015 Return: Sat Mar 7 2015 Trip spans 2 days
Frontier
Frontier
IAD
3:40a
ORD
5:35a
1h 55m
nonstop
ORD
7:35a
IAD
9:20a
1h 45m
nonstop
Depart: Sat Mar 7 2015 Return: Wed Mar 11 2015 Trip spans 4 days
Frontier
Frontier
IAD
3:40a
ORD
5:35a
1h 55m
nonstop
ORD
8:35a
IAD
10:20a
1h 45m
nonstop
Depart: Mon Mar 9 2015 Return: Wed Mar 11 2015 Trip spans 3 days
Frontier
Frontier
IAD
2:55a
ORD
5:00a
2h 05m
nonstop
ORD
8:50a
IAD
10:40a
1h 50m
nonstop
Depart: Sat Mar 14 2015 Return: Wed Mar 18 2015 Trip spans 5 days
Frontier
Frontier
IAD
4:40a
ORD
6:35a
1h 55m
nonstop
ORD
8:35a
IAD
10:20a
1h 45m
nonstop
Depart: Sun Mar 15 2015 Return: Fri Mar 20 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
6:02a
ORD
1:41p
7h 39m
1 stop
ORD
8:50a
IAD
10:40a
1h 50m
nonstop
Depart: Tue Feb 3 2015 Return: Sat Feb 7 2015 Trip spans 5 days
United
United
IAD
3:00a
ORD
5:07a
2h 07m
nonstop
ORD
1:00a
IAD
2:49a
1h 49m
nonstop
Depart: Tue Jun 30 2015 Return: Tue Jul 14 2015 Trip spans 15 days
JetBlue Airways
JetBlue Airways
IAD
6:35a
ORD
1:09p
6h 34m
1 stop
ORD
6:30a
IAD
12:04p
5h 34m
1 stop
Depart: Tue Feb 17 2015 Return: Thu Feb 19 2015 Trip spans 3 days
US Airways
US Airways
IAD
12:55p
ORD
5:24p
4h 29m
1 stop
ORD
10:59a
IAD
3:07p
4h 08m
1 stop
Depart: Sun Feb 15 2015 Return: Wed Feb 18 2015 Trip spans 4 days
Delta
Delta
IAD
4:35a
ORD
9:23a
4h 48m
1 stop
ORD
2:00a
IAD
6:02a
4h 02m
1 stop
Change your search
Direct flights IAD to ORD on United
Flight # Depart IAD Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
3376 6:00 am 7:15 am Feb 13 - Feb 27
3376 6:10 am 7:25 am Feb 12 - Feb 12
3376 6:10 am 7:25 am Mar 2 - Mar 3
3380 6:10 am 7:25 am Mar 4 - Mar 4
3343 6:11 am 7:24 am Jan 19 - Feb 11
1171 8:00 am 9:07 am Feb 1 - Feb 1
1171 8:00 am 9:07 am Feb 4 - Feb 11
1171 8:00 am 9:07 am Feb 3 - Feb 10
1744 8:00 am 9:07 am Feb 8 - Feb 8
798 8:00 am 9:06 am Jan 24 - Feb 7
798 8:00 am 9:06 am Feb 2 - Feb 5
798 8:00 am 9:05 am Feb 6 - Feb 9
798 8:02 am 9:10 am Feb 22 - Mar 1
798 8:02 am 9:10 am Feb 15 - Feb 15
1171 8:04 am 9:13 am Feb 24 - Feb 24
1171 8:04 am 9:13 am Mar 3 - Mar 3
1171 8:10 am 9:19 am Feb 25 - Mar 4
4739 8:10 am 9:21 am Feb 21 - Feb 21
6189 8:10 am 9:21 am Feb 14 - Feb 14
6189 8:10 am 9:21 am Feb 28 - Feb 28
798 8:10 am 9:18 am Feb 16 - Feb 16
798 8:10 am 9:17 am Feb 23 - Mar 2
798 8:10 am 9:17 am Feb 17 - Feb 17
798 8:10 am 9:17 am Feb 12 - Feb 20
3376 9:00 am 10:17 am Feb 21 - Feb 28
3379 9:00 am 10:17 am Feb 14 - Feb 14
3415 9:00 am 10:17 am Feb 15 - Feb 15
221 9:17 am 10:30 am Feb 13 - Feb 13
221 9:17 am 10:30 am Feb 24 - Feb 24
221 9:17 am 10:30 am Mar 3 - Mar 3
4453 9:17 am 10:34 am Feb 22 - Feb 22
4533 9:17 am 10:34 am Mar 1 - Mar 1
725 9:17 am 10:30 am Feb 19 - Feb 20
725 9:17 am 10:30 am Feb 18 - Feb 18
725 9:17 am 10:30 am Feb 26 - Mar 2
740 9:17 am 10:30 am Feb 16 - Feb 16
865 9:17 am 10:30 am Feb 12 - Feb 12
865 9:17 am 10:30 am Feb 17 - Feb 17
865 9:17 am 10:30 am Feb 23 - Feb 23
865 9:17 am 10:30 am Feb 25 - Mar 4
1087 9:55 am 11:10 am Feb 4 - Feb 4
1125 9:55 am 11:10 am Feb 11 - Feb 11
1171 9:55 am 11:10 am Jan 22 - Feb 5
1171 9:55 am 11:10 am Feb 9 - Feb 9
1171 9:55 am 11:10 am Feb 2 - Feb 6
1271 9:55 am 11:10 am Feb 3 - Feb 10
221 9:55 am 11:09 am Feb 8 - Feb 8
3367 9:55 am 11:13 am Jan 24 - Feb 7
865 9:55 am 11:09 am Feb 1 - Feb 1
6182 10:00 am 11:17 am Feb 15 - Feb 15
1128 12:40 pm 1:57 pm Feb 13 - Feb 13
1128 12:40 pm 1:57 pm Feb 18 - Feb 18
1128 12:40 pm 1:57 pm Feb 24 - Feb 24
1128 12:40 pm 1:57 pm Feb 12 - Feb 19
1128 12:40 pm 1:57 pm Feb 23 - Mar 2
1128 12:40 pm 1:57 pm Feb 20 - Feb 27
1128 12:40 pm 1:57 pm Mar 3 - Mar 3
1128 12:40 pm 1:57 pm Mar 4 - Mar 4
1128 12:40 pm 1:57 pm Feb 17 - Feb 17
1143 12:40 pm 1:57 pm Feb 14 - Feb 28
1476 12:40 pm 1:57 pm Feb 16 - Feb 16
1668 12:40 pm 1:57 pm Feb 15 - Feb 15
1668 12:40 pm 1:57 pm Feb 22 - Mar 1
1745 12:40 pm 1:57 pm Feb 25 - Feb 25
1087 12:41 pm 1:59 pm Feb 3 - Feb 3
1087 12:41 pm 1:59 pm Feb 10 - Feb 10
1087 12:41 pm 1:59 pm Feb 11 - Feb 11
1128 12:41 pm 1:59 pm Feb 7 - Feb 7
1128 12:41 pm 1:59 pm Feb 8 - Feb 8
1128 12:41 pm 1:59 pm Feb 1 - Feb 1
1143 12:41 pm 1:59 pm Feb 2 - Feb 9
1143 12:41 pm 1:59 pm Feb 4 - Feb 4
1143 12:41 pm 1:59 pm Feb 5 - Feb 5
1135 4:54 pm 6:05 pm Feb 2 - Feb 6
1135 4:54 pm 6:05 pm Jan 29 - Feb 5
1135 4:54 pm 6:05 pm Feb 9 - Feb 9
1271 4:54 pm 6:05 pm Feb 4 - Feb 11
1745 4:54 pm 6:05 pm Feb 10 - Feb 10
670 4:54 pm 6:04 pm Jan 25 - Feb 8
1579 5:05 pm 6:23 pm Feb 22 - Feb 22
1745 5:05 pm 6:23 pm Feb 15 - Feb 15
1745 5:05 pm 6:23 pm Mar 1 - Mar 1
670 5:05 pm 6:22 pm Feb 23 - Mar 3
670 5:09 pm 6:26 pm Feb 12 - Feb 20
1087 5:15 pm 6:33 pm Feb 25 - Feb 25
1125 5:15 pm 6:26 pm Feb 7 - Feb 7
1135 5:15 pm 6:33 pm Feb 14 - Feb 14
1271 5:15 pm 6:33 pm Feb 21 - Feb 28
1579 5:15 pm 6:33 pm Mar 4 - Mar 4
670 5:15 pm 6:31 pm Feb 16 - Feb 16
670 6:50 pm 8:05 pm Mar 1 - Mar 1
3763 6:52 pm 8:07 pm Feb 21 - Feb 28
670 6:55 pm 8:10 pm Feb 15 - Feb 22
3353 7:01 pm 8:20 pm Feb 12 - Feb 13
3367 7:01 pm 8:20 pm Feb 17 - Mar 3
3367 7:01 pm 8:20 pm Feb 16 - Feb 27
3415 7:01 pm 8:20 pm Mar 4 - Mar 4
3415 7:01 pm 8:20 pm Mar 2 - Mar 2
3771 7:01 pm 8:15 pm Feb 8 - Feb 8
3771 7:01 pm 8:15 pm Jan 28 - Feb 6
3771 7:01 pm 8:15 pm Feb 1 - Feb 1
3771 7:01 pm 8:15 pm Feb 3 - Feb 3
3771 7:05 pm 8:19 pm Feb 9 - Feb 11
3415 9:58 pm 11:00 pm Feb 2 - Feb 11
4986 9:58 pm 10:57 pm Feb 1 - Feb 1
1623 10:00 pm 11:05 pm Mar 1 - Mar 1
1623 10:00 pm 11:05 pm Feb 22 - Feb 22
1623 10:00 pm 11:05 pm Feb 15 - Feb 15
3376 10:00 pm 11:05 pm Mar 4 - Mar 4
3380 10:00 pm 11:05 pm Feb 12 - Mar 3
Airports
Origin

Washington
$92
Destination

Chicago
$92