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Uncover the best deals on Ontario to Houston flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - HOU Flights
Useful information for finding best airline tickets from Ontario International to William P Hobby on your next trip.
Cheapest Round Trip Flight
$294
Southwest Airlines
• 1 stop
• 20h 5m
Sep 18 – Sep 20
The cheapest round trip flight from Ontario to Houston (ONT-HOU-ONT) is currently $294
Cheapest One way Flight
$521
Southwest Airlines
• 1 stop
• 12h
Aug 16
The cheapest one way flight from Ontario to Houston (ONT-HOU) is currently $521
Cheapest Direct Flight
$287
Southwest Airlines
• nonstop
• 5h 5m
Sep 18
The cheapest nonstop flight from Ontario to Houston (ONT-HOU) is currently $287
Fastest Flight
5h 5m
The fastest nonstop flight from Ontario to Houston (ONT-HOU) takes 5h 5m
Top Airlines Flying from Ontario to Houston
Latest Flight Deals from Ontario (ONT) to Houston (HOU)
Compare and book low fare round-trip air tickets from Ontario to Houston. Ideal for travelers with confirmed return itineraries.
Sep 18 - Sep 20, Economy
Ontario → Houston
20h 5m
8:30 AM - 10:35 PM • 1 stop
Ontario → Houston
5h 15m
12:45 PM - 2:00 PM • nonstop
Southwest Airlines
Sep 18 - Sep 20, Economy
Ontario → Houston
12h 35m
10:00 AM - 7:55 PM • 2 stops
Ontario → Houston
5h 15m
12:45 PM - 2:00 PM • nonstop
Southwest Airlines
Sep 18 - Sep 20, Economy
Ontario → Houston
5h 5m
11:00 AM - 4:05 PM • nonstop
Ontario → Houston
15h 10m
6:00 AM - 1:10 PM • 2 stops
Southwest Airlines
Sep 18 - Sep 20, Economy
Ontario → Houston
10h 40m
5:15 AM - 1:55 PM • 2 stops
Ontario → Houston
5h 15m
12:45 PM - 2:00 PM • nonstop
Southwest Airlines
Sep 18 - Sep 20, Economy
Ontario → Houston
8h 55m
6:10 AM - 1:45 PM • 1 stop
Ontario → Houston
7h 35m
8:40 AM - 11:35 AM • 1 stop
Southwest Airlines
Explore competitive one-way airfare options for ONT - HOU flights. Best suited for flexible or open-ended travel plans.
Flying to Houston soon? We've surfaced some of the most affordable last-minute flights from Ontario to Houston, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Houston? These direct flight options from ONT to HOU offer both convenience and value—no layovers, just straight to your destination.
FAQs on Ontario to Houston Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to HOU?
The most popular airline flying from Ontario to Houston are
Can I fly from ONT to HOU non-stop?
Yes, you can fly ONT to HOU non-stop on
Which airlines fly nonstop between Ontario and Houston?
The non-stop flights between Ontario and Houston are .
What’s the earliest departure time from ONT to HOU Airport?
The earliest flight leaves ONT at 5:15 am and lands in HOU - William P Hobby
What are the airports in Houston?
HOU
Can I make changes to my Ontario to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to HOU?
Read the fare rules of the Ontario to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Houston?
operate flights between Ontario and Houston
How long does a flight from Ontario to Houston take?
It takes approximately 3 hour to fly non-stop from ONT to HOU, which is 1344.52 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Houston (HOU) ?
In the past couple of days, the cheapest tickets to HOU from ONT were found on WN : USD 532
Do I need a passport to fly between ONT and HOU?
No
What’s the latest departure time from ONT to HOU ?
The last flight leaves ONT at 11:55 pm
Ontario (ONT) to Houston (HOU): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | William P Hobby , Houston, US |
| Distance | 1345 miles |
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