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Find Deals on Flights from Houston George Bush Intcntl to Chicago O'Hare International (IAH - ORD)

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

Book cheap flights from Houston George Bush Intcntl to Chicago O'Hare International

(Round-trip)
Depart: Thu Aug 27 2015 Return: Mon Aug 31 2015 Trip spans 5 days
Spirit Airlines
Spirit Airlines
IAH
3:10a
ORD
5:51a
2h 41m
nonstop
ORD
3:00p
IAH
5:36p
2h 36m
nonstop
Depart: Sat Aug 29 2015 Return: Mon Aug 31 2015 Trip spans 3 days
Spirit Airlines
Spirit Airlines
IAH
3:10a
ORD
5:51a
2h 41m
nonstop
ORD
3:00p
IAH
5:36p
2h 36m
nonstop
Depart: Sat Sep 12 2015 Return: Mon Sep 14 2015 Trip spans 3 days
Spirit Airlines
Spirit Airlines
IAH
3:18a
ORD
5:56a
2h 38m
nonstop
ORD
3:20p
IAH
5:59p
2h 39m
nonstop
Depart: Thu Sep 17 2015 Return: Sat Sep 19 2015 Trip spans 3 days
Spirit Airlines
Spirit Airlines
IAH
6:00a
ORD
8:38a
2h 38m
nonstop
ORD
3:20p
IAH
5:59p
2h 39m
nonstop
Depart: Mon Nov 2 2015 Return: Sat Nov 7 2015 Trip spans 6 days
Spirit Airlines
Spirit Airlines
IAH
2:18a
ORD
4:56a
2h 38m
nonstop
ORD
2:30a
IAH
5:07a
2h 37m
nonstop
Depart: Fri Oct 2 2015 Return: Sun Oct 4 2015 Trip spans 3 days
Spirit Airlines
Spirit Airlines
IAH
3:18a
ORD
5:56a
2h 38m
nonstop
ORD
3:30a
IAH
6:07a
2h 37m
nonstop
Depart: Thu Oct 22 2015 Return: Sun Oct 25 2015 Trip spans 4 days
Spirit Airlines
Spirit Airlines
IAH
6:00a
ORD
8:38a
2h 38m
nonstop
ORD
3:30a
IAH
6:07a
2h 37m
nonstop
Depart: Fri Jul 24 2015 Return: Sun Aug 9 2015 Trip spans 17 days
United
United
IAH
1:20a
ORD
4:09a
2h 49m
nonstop
ORD
2:17a
IAH
4:57a
2h 40m
nonstop
Depart: Thu Jul 30 2015 Return: Fri Jul 31 2015 Trip spans 2 days
American Airlines
American Airlines
IAH
1:55p
ORD
4:47p
2h 52m
nonstop
ORD
3:25a
IAH
6:13a
2h 48m
nonstop
Depart: Sat Aug 1 2015 Return: Thu Aug 20 2015 Trip spans 20 days
US Airways
US Airways
IAH
1:55p
ORD
4:47p
2h 52m
nonstop
ORD
3:25a
IAH
6:13a
2h 48m
nonstop
Depart: Tue Jul 28 2015 Return: Thu Aug 13 2015 Trip spans 17 days
United
United
IAH
1:20a
ORD
4:10a
2h 50m
nonstop
ORD
5:00p
IAH
7:42p
2h 42m
nonstop
Depart: Mon Aug 3 2015 Return: Wed Aug 19 2015 Trip spans 17 days
American Airlines
American Airlines
IAH
1:55p
ORD
4:47p
2h 52m
nonstop
ORD
3:25a
IAH
6:14a
2h 49m
nonstop
Depart: Tue Aug 4 2015 Return: Sun Aug 9 2015 Trip spans 6 days
United
United
IAH
1:20a
ORD
4:15a
2h 55m
nonstop
ORD
2:17a
IAH
4:57a
2h 40m
nonstop
Depart: Thu Aug 6 2015 Return: Fri Aug 14 2015 Trip spans 9 days
United
United
IAH
1:20a
ORD
4:09a
2h 49m
nonstop
ORD
2:17a
IAH
4:57a
2h 40m
nonstop
Depart: Fri Aug 7 2015 Return: Wed Aug 19 2015 Trip spans 13 days
United
United
IAH
2:20a
ORD
5:10a
2h 50m
nonstop
ORD
7:09a
IAH
9:51a
2h 42m
nonstop
Depart: Sun Aug 9 2015 Return: Fri Aug 28 2015 Trip spans 20 days
American Airlines
American Airlines
IAH
4:00a
ORD
6:52a
2h 52m
nonstop
ORD
6:08a
IAH
8:51a
2h 43m
nonstop
Depart: Mon Aug 10 2015 Return: Fri Aug 14 2015 Trip spans 5 days
American Airlines
American Airlines
IAH
4:00a
ORD
6:52a
2h 52m
nonstop
ORD
3:25a
IAH
6:13a
2h 48m
nonstop
Depart: Tue Aug 11 2015 Return: Fri Aug 14 2015 Trip spans 4 days
American Airlines
American Airlines
IAH
4:00a
ORD
6:52a
2h 52m
nonstop
ORD
3:25a
IAH
6:13a
2h 48m
nonstop
Depart: Wed Aug 12 2015 Return: Fri Aug 14 2015 Trip spans 3 days
American Airlines
American Airlines
IAH
1:55p
ORD
4:47p
2h 52m
nonstop
ORD
3:25a
IAH
6:13a
2h 48m
nonstop
Depart: Mon Dec 21 2015 Return: Tue Dec 29 2015 Trip spans 9 days
Delta
Delta
IAH
8:35a
ORD
1:46p
5h 11m
1 stop
ORD
9:35a
IAH
2:49p
5h 14m
1 stop
Direct flights IAH to ORD on American Airlines
Flight # Depart IAH Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
4280 8:00 am 10:52 am Jul 2 - Sep 4
4236 10:50 am 1:42 pm Aug 3 - Aug 17
4236 10:50 am 1:42 pm Jul 6 - Jul 27
4236 10:50 am 1:42 pm Jul 18 - Aug 15
4236 10:50 am 1:42 pm Jul 12 - Aug 16
4236 10:50 am 1:42 pm Jul 4 - Jul 11
4236 10:50 am 1:42 pm Jul 3 - Jul 10
4236 10:50 am 1:42 pm Jul 2 - Jul 30
4262 1:30 pm 4:22 pm Jul 6 - Jul 27
4262 1:30 pm 4:22 pm Aug 3 - Aug 4
4262 1:30 pm 4:22 pm Jul 7 - Aug 2
4303 1:30 pm 4:22 pm Aug 5 - Aug 17
4297 5:55 pm 8:47 pm Jul 10 - Aug 14
4297 5:55 pm 8:47 pm Jul 2 - Jul 9
4297 5:55 pm 8:47 pm Jul 6 - Aug 17
4297 5:55 pm 8:47 pm Jul 5 - Aug 16
4297 5:55 pm 8:47 pm Jul 11 - Aug 15
Airports
Origin

Houston
$137
Destination

Chicago
$137