Cheap Flight Tickets from Houston (HOU) to Ontario (ONT), Starting at $138

Good to Know: Cheapest and Fastest HOU - ONT Flights

Useful information for finding best airline tickets from William P Hobby to Ontario International on your next trip.

Cheapest Round Trip Flight

$348

DL Delta Airlines • 1 stop • 11h 45m

Sep 18 – Sep 20

The cheapest round trip flight from Houston to Ontario (HOU-ONT-HOU) is currently $348

🔍 Search Flights

Cheapest Direct Flight

$240

WN Southwest Airlines • nonstop • 5h 25m

Oct 08

The cheapest nonstop flight from Houston to Ontario (HOU-ONT) is currently $240

🔍 Search Flights

Fastest Flight

5h 10m

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

Top Airlines Flying from Houston to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Houston (HOU) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Houston to Ontario. Ideal for travelers with confirmed return itineraries.

Sep 18 - Sep 20, Economy
DL
Houston → Ontario
11h 45m
6:00 AM - 11:05 AM • 1 stop
DL
Houston → Ontario
5h 18m
9:50 AM - 3:08 PM • nonstop
$348
Delta Airlines
Sep 18 - Sep 20, Economy
WN
Houston → Ontario
7h 10m
12:35 PM - 3:05 PM • 1 stop
WN
Houston → Ontario
8h 35m
4:30 PM - 11:45 PM • 1 stop
$348
Southwest Airlines
Sep 17 - Sep 18, Economy
WN
Houston → Ontario
5h 10m
8:05 AM - 9:15 AM • nonstop
WN
Houston → Ontario
8h 35m
11:20 AM - 6:35 PM • 1 stop
$412
Southwest Airlines
Sep 17 - Sep 18, Economy
WN
Houston → Ontario
10h 25m
3:00 PM - 7:25 PM • 2 stops
WN
Houston → Ontario
5h 20m
5:05 PM - 10:25 PM • nonstop
$412
Southwest Airlines
Sep 17 - Sep 18, Economy
WN
Houston → Ontario
5h 10m
8:05 AM - 9:15 AM • nonstop
WN
Houston → Ontario
5h 20m
5:05 PM - 10:25 PM • nonstop
$412
Southwest Airlines
Sep 17 - Sep 18, Economy
WN
Houston → Ontario
7h 10m
12:35 PM - 3:05 PM • 1 stop
WN
Houston → Ontario
5h 15m
12:15 PM - 5:30 PM • nonstop
$412
Southwest Airlines

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

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

FAQs on Houston to Ontario Flights

What are the airports in Houston?
HOU
What’s the most popular airline flying from HOU to ONT?
The most popular airline flying from Houston to Ontario are
Can I fly from HOU to ONT non-stop?
Yes, you can fly HOU to ONT non-stop on
Which airlines fly nonstop between Houston and Ontario?
The non-stop flights between Houston and Ontario are .
What’s the earliest departure time from HOU to ONT Airport?
The earliest flight leaves HOU at 6:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Houston to Ontario 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 HOU to ONT?
Read the fare rules of the Houston to Ontario 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 Houston and Ontario?
operate flights between Houston and Ontario
How long does a flight from Houston to Ontario take?
It takes approximately 3 hour to fly non-stop from HOU to ONT, which is 1344.52 miles by air.
Which airlines provide the cheapest flights from Houston (HOU) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from HOU were found on WN : USD 412
Do I need a passport to fly between HOU and ONT?
No
What’s the latest departure time from HOU to ONT ?
The last flight leaves HOU at 8:50 pm

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

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

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

Why Fareleaders for HOU to ONT Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Houston to Ontario flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on HOU to ONT flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Houston to Ontario 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 Houston (HOU) to Ontario (ONT)
Terms and Conditions*