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

View AU$180 flight on Thu, 17 Dec 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From AU$165 - AU$421 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)?
The cheapest months to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
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.
What is the cheapest airline that flies from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby)?
Frontier Airlines is one of the cheapest airlines offering nonstop return flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby), with tickets starting from around AU$137 for flights that can be booked for departure within the next year. JetBlue Airways offers one of the cheapest connecting return flights on this route, with tickets starting from around AU$439. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ontario Intl. Airport (ONT) to Houston, TX (HOU)?
To find a cheap flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU), 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-William P. Hobby)?
The best time to fly from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) is typically September or October. These months offer a great balance, with return flights averaging around AU$498.
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-William P. Hobby) flight with Expedia?
It's easy to earn miles on a Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) 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-William P. Hobby) at the last minute?
Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) 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-William P. Hobby) flight and hotel package?
Securing a Ontario Intl. Airport (ONT) to Houston, TX (HOU-William P. Hobby) 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)?
If you booked your Ontario Intl. Airport (ONT) to Houston, TX (HOU) 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
Distance
2146 km
Average flight time
5 hours 5 mins

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Your quick guide to flights from Ontario Intl. Airport to Houston

Pick up great flights from Ontario Intl. Airport to Houston

With Expedia, you have your pick of flights a day with 1 airlines covering flights from Ontario Intl. Airport to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Ontario Intl. Airport to Houston that take around hours.

Find cheap flights from Ontario Intl. Airport to Houston

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ontario Intl. Airport to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in .

Reasons to book your flight from Ontario Intl. Airport to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Ontario Intl. Airport to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Ontario Intl. Airport to Houston

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