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Find Flight Deals from Ontario to Houston George Bush Intcntl (ONT - IAH)

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

Book cheap flights from Ontario to Houston George Bush Intcntl

(Round-trip)
Depart: Wed Apr 15 2015 Return: Fri Apr 17 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Wed Apr 29 2015 Return: Fri May 1 2015 Trip spans 3 days
US Airways
US Airways
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Tue Apr 21 2015 Return: Thu Apr 23 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Wed Apr 22 2015 Return: Thu Apr 23 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Thu Apr 23 2015 Return: Fri Apr 24 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Fri Apr 24 2015 Return: Mon Apr 27 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Fri May 1 2015 Return: Mon May 4 2015 Trip spans 4 days
US Airways
US Airways
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Thu Apr 16 2015 Return: Sat Apr 18 2015 Trip spans 3 days
US Airways
US Airways
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
2:05p
ONT
7:06p
5h 01m
1 stop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
US Airways
US Airways
ONT
12:40p
IAH
5:26p
4h 46m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
US Airways
US Airways
ONT
12:40p
IAH
5:26p
4h 46m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Thu Apr 30 2015 Return: Sun May 3 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
3:59a
ONT
9:33a
5h 34m
1 stop
Depart: Wed May 6 2015 Return: Sun May 10 2015 Trip spans 5 days
American Airlines
American Airlines
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:00a
ONT
8:05a
7h 05m
1 stop
Depart: Wed May 13 2015 Return: Tue May 19 2015 Trip spans 7 days
US Airways
US Airways
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:07a
5h 17m
1 stop
Depart: Thu May 7 2015 Return: Sun May 10 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
8:59p
IAH
4:20a
7h 21m
1 stop
IAH
1:00a
ONT
7:57a
6h 57m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
US Airways
US Airways
ONT
6:00a
IAH
11:06a
5h 06m
1 stop
IAH
1:50a
ONT
7:05a
5h 15m
1 stop
Depart: Sat May 9 2015 Return: Thu May 14 2015 Trip spans 6 days
American Airlines
American Airlines
ONT
6:42a
IAH
1:29p
6h 47m
1 stop
IAH
5:50a
ONT
11:27a
5h 37m
1 stop
Depart: Mon May 18 2015 Return: Sat May 23 2015 Trip spans 6 days
American Airlines
American Airlines
ONT
10:20a
IAH
5:03p
6h 43m
1 stop
IAH
2:00a
ONT
7:03a
5h 03m
1 stop
Depart: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
United
United
ONT
2:00a
IAH
5:10a
3h 10m
nonstop
IAH
4:51a
ONT
8:20a
3h 29m
nonstop
Depart: Mon Mar 30 2015 Return: Mon Apr 13 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
ONT
12:35p
IAH
5:43p
5h 08m
1 stop
IAH
1:50a
ONT
7:06a
5h 16m
1 stop
Depart: Thu Mar 5 2015 Return: Sat Mar 21 2015 Trip spans 16 days
Delta
Delta
ONT
1:15a
IAH
6:25a
5h 10m
1 stop
IAH
2:35p
ONT
8:30p
5h 55m
1 stop
Change your search
Direct flights ONT to IAH on United
Flight # Depart ONT Arrive IAH Sun Mon Tue Wed Thu Fri Sat Valid Between
6196 7:00 am 12:09 pm Mar 8 - Apr 6
6196 7:00 am 12:10 pm Apr 7 - Apr 17
4981 10:55 am 4:06 pm Apr 7 - Apr 17
Airports
Origin

Ontario
$343
Destination

Houston
$343