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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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: Tue Feb 7 2017 Return: Mon Feb 13 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
11:30a
IAH
4:29p
4h 59m
1 stop
IAH
3:05a
ONT
8:46a
5h 41m
1 stop
Depart: Mon Feb 6 2017 Return: Wed Feb 8 2017 Trip spans 3 days
United
United
ONT
3:10p
IAH
11:08p
7h 58m
1 stop
IAH
9:35a
ONT
4:38p
7h 03m
1 stop
Depart: Tue Mar 14 2017 Return: Sun Mar 19 2017 Trip spans 6 days
Major Airline
Major Airline
ONT
9:30a
IAH
6:40a
21h 10m
1 stop
IAH
10:08p
ONT
10:31a
12h 23m
1 stop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
2:20a
IAH
10:40a
8h 20m
1 stop
IAH
2:08a
ONT
8:14p
18h 06m
1 stop
Depart: Wed Feb 8 2017 Return: Mon Feb 13 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
7:45a
IAH
1:07p
5h 22m
1 stop
IAH
3:05a
ONT
8:46a
5h 41m
1 stop
Depart: Mon Feb 13 2017 Return: Tue Feb 21 2017 Trip spans 9 days
United
United
ONT
2:15p
IAH
11:08p
8h 53m
1 stop
IAH
6:35a
ONT
3:45p
9h 10m
1 stop
Depart: Thu Feb 9 2017 Return: Mon Feb 13 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
3:25a
IAH
8:34a
5h 09m
1 stop
IAH
3:05a
ONT
8:46a
5h 41m
1 stop
Depart: Thu Feb 23 2017 Return: Tue Feb 28 2017 Trip spans 6 days
United
United
ONT
12:30a
IAH
7:40a
7h 10m
1 stop
IAH
11:43a
ONT
5:32p
5h 49m
1 stop
Depart: Sat Feb 11 2017 Return: Mon Feb 13 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
1:15a
IAH
6:22a
5h 07m
1 stop
IAH
3:05a
ONT
8:46a
5h 41m
1 stop
Depart: Sat Feb 25 2017 Return: Tue Feb 28 2017 Trip spans 4 days
United
United
ONT
3:10p
IAH
11:19p
8h 09m
1 stop
IAH
11:43a
ONT
5:32p
5h 49m
1 stop
Depart: Tue Feb 14 2017 Return: Wed Feb 15 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
7:45a
IAH
1:07p
5h 22m
1 stop
IAH
3:05a
ONT
8:46a
5h 41m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
8:45a
IAH
2:35p
5h 50m
1 stop
IAH
4:00a
ONT
9:41a
5h 41m
1 stop
Depart: Tue May 9 2017 Return: Fri May 12 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
10:20p
IAH
6:42a
8h 22m
1 stop
IAH
10:13p
ONT
4:15p
18h 02m
1 stop
Depart: Sat Jan 28 2017 Return: Sun Jan 29 2017 Trip spans 2 days
Delta
Delta
ONT
1:00a
IAH
6:35a
5h 35m
1 stop
IAH
1:58p
ONT
8:04p
6h 06m
1 stop
Depart: Wed Feb 1 2017 Return: Tue Feb 7 2017 Trip spans 7 days
United
United
ONT
7:50a
IAH
3:00p
7h 10m
1 stop
IAH
1:15p
ONT
8:59p
7h 44m
1 stop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
10:25a
IAH
5:10p
6h 45m
1 stop
IAH
4:00a
ONT
9:41a
5h 41m
1 stop
Depart: Thu Feb 2 2017 Return: Tue Feb 7 2017 Trip spans 6 days
United
United
ONT
12:50a
IAH
9:33a
8h 43m
1 stop
IAH
11:10a
ONT
8:59p
9h 49m
1 stop
Depart: Sat Apr 15 2017 Return: Tue Apr 18 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
10:25a
IAH
5:10p
6h 45m
1 stop
IAH
4:00a
ONT
9:41a
5h 41m
1 stop
Depart: Sat Feb 4 2017 Return: Tue Feb 7 2017 Trip spans 4 days
United
United
ONT
3:00a
IAH
10:05a
7h 05m
1 stop
IAH
6:25a
ONT
3:44p
9h 19m
1 stop
Depart: Tue Feb 28 2017 Return: Mon Mar 6 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ONT
1:15p
IAH
9:38a
20h 23m
1 stop
IAH
12:45p
ONT
6:58a
18h 13m
1 stop
* 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

Ontario
$220
Destination

Houston
$220
Airlines Airline reviews

4 travelers who booked a flight from Ontario to Houston rated their chosen airlines with an average of 5.1.

Overall
6.5
Boarding
6.0
Crew
7.5
Comfort
4.5
Food
3.0
Entertainment
3.5