Cheap Flight Tickets from Ontario (ONT) to Houston (HOU), Starting at $137

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

$459

WN Southwest Airlines • nonstop • 5h 10m

Jul 16 – Jul 20

The cheapest round trip flight from Ontario to Houston (ONT-HOU-ONT) is currently $459

🔍 Search Flights

Cheapest Direct Flight

$137

F9 Frontier Airlines • nonstop • 5h 31m

Aug 27

The cheapest nonstop flight from Ontario to Houston (ONT-HOU) is currently $137

🔍 Search Flights

Fastest Flight

5h 10m

The fastest nonstop flight from Ontario to Houston (ONT-HOU) takes 5h 10m

Top Airlines Flying from Ontario to Houston

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

United Airlines, UA

United Airlines

Alaska Airlines -AS

Alaska Airlines

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.

Jul 16 - Jul 20, Economy
WN
Ontario → Houston
5h 10m
9:40 AM - 2:50 PM • nonstop
WN
Ontario → Houston
5h 10m
7:45 AM - 8:55 AM • nonstop
$459
Southwest Airlines
Jul 16 - Jul 20, Economy
WN
Ontario → Houston
5h 10m
9:40 AM - 2:50 PM • nonstop
WN
Ontario → Houston
7h 25m
6:20 AM - 9:05 AM • 1 stop
$469
Southwest Airlines
Jul 16 - Jul 20, Economy
WN
Ontario → Houston
7h 20m
5:15 PM - 11:55 PM • 1 stop
WN
Ontario → Houston
5h 10m
7:45 AM - 8:55 AM • nonstop
$469
Southwest Airlines
Jul 16 - Jul 20, Economy
WN
Ontario → Houston
7h 20m
5:15 PM - 11:55 PM • 1 stop
WN
Ontario → Houston
9h
8:30 PM - 12:10 AM • 1 stop
$474
Southwest Airlines
Jul 16 - Jul 20, Economy
WN
Ontario → Houston
5h 10m
9:40 AM - 2:50 PM • nonstop
WN
Ontario → Houston
11h 55m
7:30 AM - 12:45 PM • 2 stops
$474
Southwest Airlines
Jul 16 - Jul 20, Economy
WN
Ontario → Houston
7h 35m
4:20 PM - 11:15 PM • 1 stop
WN
Ontario → Houston
8h 20m
6:20 AM - 9:20 AM • 1 stop
$474
Southwest Airlines

Fly from Ontario to Houston with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Houston? Find the biggest savings on one-way and round-trip tickets right here.

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 5:10 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 469
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 6:25 pm

Ontario (ONT) to Houston (HOU): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport William P Hobby , Houston, US
Distance 1345 miles

More Flight Options for Ontario (ONT) and Houston (HOU)

Why Fareleaders for ONT to HOU Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to Houston flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to HOU flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to Houston flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to Houston (HOU)
Terms and Conditions*