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Find Flight Deals 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: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Tue May 12 2015 Return: Sat May 16 2015 Trip spans 5 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Wed May 13 2015 Return: Sat May 16 2015 Trip spans 4 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Tue May 19 2015 Return: Sat May 23 2015 Trip spans 5 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Wed May 20 2015 Return: Sat May 23 2015 Trip spans 4 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Wed May 27 2015 Return: Thu May 28 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Thu May 28 2015 Return: Wed Jun 3 2015 Trip spans 7 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Fri May 29 2015 Return: Sat May 30 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Sat May 30 2015 Return: Tue Jun 2 2015 Trip spans 4 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Mon Jun 1 2015 Return: Tue Jun 2 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Tue Jun 2 2015 Return: Wed Jun 3 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:42p
2h 42m
nonstop
Depart: Wed Jun 3 2015 Return: Thu Jun 4 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Thu Jun 4 2015 Return: Sat Jun 6 2015 Trip spans 3 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Fri Jun 5 2015 Return: Sat Jun 6 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Sat Jun 6 2015 Return: Tue Jun 9 2015 Trip spans 4 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Mon Jun 8 2015 Return: Tue Jun 9 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Tue Jun 9 2015 Return: Wed Jun 10 2015 Trip spans 2 days
Spirit Airlines
Spirit Airlines
IAH
2:05a
ORD
4:35a
2h 30m
nonstop
ORD
5:25a
IAH
8:05a
2h 40m
nonstop
Depart: Tue Aug 18 2015 Return: Tue Aug 25 2015 Trip spans 8 days
Spirit Airlines
Spirit Airlines
IAH
2:39p
ORD
5:15p
2h 36m
nonstop
ORD
3:00p
IAH
5:36p
2h 36m
nonstop
Depart: Fri Aug 7 2015 Return: Mon Aug 10 2015 Trip spans 4 days
United
United
IAH
2:20a
ORD
5:10a
2h 50m
nonstop
ORD
1:31p
IAH
4:14p
2h 43m
nonstop
Depart: Mon Jun 29 2015 Return: Tue Jul 14 2015 Trip spans 16 days
Delta
Delta
IAH
11:15a
ORD
5:05p
5h 50m
1 stop
ORD
5:00a
IAH
12:11p
7h 11m
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 6:55 am 9:38 am Apr 30 - May 23
4280 6:55 am 9:38 am May 26 - Jun 3
4280 8:00 am 10:52 am Jun 4 - Aug 17
4236 10:29 am 1:13 pm May 26 - May 30
4236 10:29 am 1:13 pm Jun 1 - Jun 3
4236 10:29 am 1:13 pm May 7 - May 28
4236 10:29 am 1:13 pm May 25 - May 31
4236 10:29 am 1:13 pm May 10 - May 24
4236 10:29 am 1:13 pm May 8 - May 23
4236 10:50 am 1:42 pm Jun 7 - Jun 11
4236 10:50 am 1:42 pm Jun 4 - Jun 5
4236 10:50 am 1:42 pm Jun 6 - Jul 4
4314 1:30 pm 4:22 pm Jun 4 - Jul 3
4279 1:41 pm 4:25 pm Jun 1 - Jun 3
4279 1:41 pm 4:25 pm May 1 - May 31
4279 1:41 pm 4:25 pm Apr 30 - May 28
4279 1:41 pm 4:25 pm Jun 2 - Jun 2
4297 5:55 pm 8:47 pm Jun 11 - Jul 2
4297 5:55 pm 8:47 pm Jun 5 - Jun 7
4297 5:55 pm 8:47 pm Jun 4 - Jun 10
4297 5:59 pm 8:43 pm Apr 30 - May 11
4297 5:59 pm 8:43 pm Jun 1 - Jun 3
4297 5:59 pm 8:43 pm May 12 - May 31
Airports
Origin

Houston
$137
Destination

Chicago
$137