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CA $287 Cheap Flights from Ontario Intl. Airport (ONT) to Houston (HOU)

View CA $287 flight on Sun, Oct 4, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Houston William Hobby Airport (HOU)

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Cheap flights from Ontario Intl. Airport (ONT) to Houston (HOU)

Prices were available within the past 7 days and start at CA $287 for one-way flights and CA $659 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Sep 20 - Sun, Sep 27
ONT
Ontario
HOU
Houston
CA $659 Roundtrip, found 2 days ago
CA $659
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 20 from Ontario to Houston, returning Sun, Sep 27, priced at CA $659 found 2 days ago
Southwest Airlines
Tue, Sep 1 - Tue, Sep 8
ONT
Ontario
HOU
Houston
CA $1,138 Roundtrip, found 1 hour ago
CA $1,138
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Sep 1 from Ontario to Houston, returning Tue, Sep 8, priced at CA $1,138 found 1 hour ago

Find the cheapest month to fly from Ontario (ONT) to Houston (HOU)

September is typically the cheapest month to fly

From CA $163 - CA $414 per traveller.

Frequently asked questions

How much does a flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) cost?
You can find one-way and return flights from ONT to HOU with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to HOU ticket fares go up or down.
What is the cheapest month to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
If you're looking for the cheapest time to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby), September is typically your best bet. You can expect average return flight prices around CA$463 during this month. Other budget-friendly months to consider for this route include August and October.
Which airlines fly direct from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
Only one airline offers direct flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby). Southwest Airlines operates 7 direct flights from ONT to HOU every week.
How do I find cheap flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
To find a cheap flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
The best airline to fly with from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
You'll find around 1 nonstop flight per day from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby). For even more choices, look at flights that include layovers, as there are approximately 50 connecting flights per day. Some common connection points include Sky Harbor Intl. (PHX), Harry Reid Intl. (LAS), and Denver Intl. (DEN).
What is the earliest flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
The earliest flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) typically departs around 12:55 AM. This service is operated by American Airlines. This is a seasonal service, active only in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
You'll typically find the most flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) on a Friday, with around 52 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Alaska Airlines. Flight options are notably more plentiful on Fridays compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
The most popular departure times for flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) are in the morning, between 6am and 9am. Many major carriers, including Southwest Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
A non-stop flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) typically takes around 3 hours. This route covers a distance of approximately 2160 kilometres. If you opt for a flight with one stop, your travel time will generally be longer, averaging about 7 hours 30 minutes. Flights with two or more stops usually take around 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
Yes, you can fly business class or first class between Ontario Intl. Airport (ONT) and Houston, TX (HOU).Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on Alaska Airlines, Delta, American Airlines, and United.
How do I earn miles on a Ontario Intl. Airport (ONT) to Houston, TX (HOU) flight with Expedia?
It's easy to earn miles on a Ontario Intl. Airport (ONT) to Houston, TX (HOU) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (HOU) from Ontario Intl. Airport (ONT)?
If you're planning to travel to Houston from Los Angeles - Ontario Intl. (ONT), you can fly directly into William P. Hobby (HOU). Some flights may connect through major hubs like Harry Reid International Airport (LAS), Portland Intl. (PDX), or Sky Harbor Intl. (PHX) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario Intl. Airport (ONT) to Houston, TX (HOU) at the last minute?
Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario Intl. Airport (ONT) to Houston, TX (HOU) flight and hotel package?
Securing a Ontario Intl. Airport (ONT) to Houston, TX (HOU) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
If you booked your Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
William P. Hobby
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
CA $658
Distance
2146 km
Average flight time
5 hours 5 mins

Book with confidence

Los Angeles to Houston Flights

The easy way to book your flights from Ontario Intl. Airport to Houston 

With Expedia, it’s simple to find and book flights to Houston from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to William P. Hobby, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ontario Intl. Airport, ONT to William P. Hobby, HOU 

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Ontario Intl. Airport currently is just CA $659 rising to CA $1,138.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Ontario Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

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