S$693 Cheap Flights from Ontario to Houston

View S$693 flight on Wed, 15 Oct, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Ontario to Houston (ONT-IAH)

Prices were available within the past 7 days and start at S$693 for one-way flights and S$951 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$951 Return, found 1 day ago
S$951
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$951 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$964 Return, found 1 day ago
S$964
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$964 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$965 Return, found 1 day ago
S$965
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$965 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$970 Return, found 1 day ago
S$970
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$970 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,004 Return, found 1 day ago
S$1,004
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,004 found 1 day ago
American Airlines
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,015 Return, found 1 day ago
S$1,015
Return
found 1 day ago
Select American Airlines flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,015 found 1 day ago
Delta
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,015 Return, found 1 day ago
S$1,015
Return
found 1 day ago
Select Delta flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,015 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,016 Return, found 1 day ago
S$1,016
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,016 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,017 Return, found 1 day ago
S$1,017
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,017 found 1 day ago
United
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,023 Return, found 1 day ago
S$1,023
Return
found 1 day ago
Select United flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,023 found 1 day ago
Delta
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,047 Return, found 1 day ago
S$1,047
Return
found 1 day ago
Select Delta flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,047 found 1 day ago
Delta
Wed, 15 Oct - Wed, 22 Oct
ONT
Ontario
IAH
Houston
S$1,048 Return, found 1 day ago
S$1,048
Return
found 1 day ago
Select Delta flight, departing Wed, 15 Oct from Ontario to Houston, returning Wed, 22 Oct, priced at S$1,048 found 1 day ago

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

March is typically the cheapest month to fly

From S$89 - S$613 per traveller.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Houston Airport?
Round-trip tickets from Los Angeles - Ontario Intl. Airport (ONT) to George Bush Intercontinental Airport (IAH) start from S$951. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Houston Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to George Bush Intercontinental Airport (IAH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Ontario Airport to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to George Bush Intercontinental Airport (IAH)?
It's around 2,100 kilometres from Ontario to Houston, so expect to be strapped into your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or the latest bestseller.
Which airlines fly direct from Ontario Airport to Houston Airport?
You won't find any airlines flying directly between Ontario Airport and IAH, so be ready to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are ONT to Houston Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Los Angeles - Ontario Intl. Airport (ONT) to IAH last minute could save you some serious cash. However, it might cost you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
George Bush Intercontinental
Return price
S$950
Distance
2128 km
Average flight time
5 hours 13 mins

Book with confidence

Perfect flights from Ontario to Houston

Your Journey from Ontario to Houston

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, American Airlines, Delta. Our selection of flights from Los Angeles - Ontario Intl. to George Bush Intercontinental caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ontario to Houston Flights

Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. to George Bush Intercontinental that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$693 and roundtrip prices from S$951*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario to Houston with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Houston

Picture yourself stepping off the plane in Houston and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ontario to Houston Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ontario to Houston.
 

Beyond the Flight – Exploring Houston

With Expedia, your adventure extends beyond the flight. Explore Houston at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Ontario to Houston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ontario to Houston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario to Houston

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Houston
S$177.60
*Available to Expedia members.