₩166,500 Cheap Flights from Ontario (ONT) to Houston (IAH)

View ₩166,500 flight on Mon, Nov 3, 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 ₩166,500 for one-way flights and ₩440,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Jan 21 - Thu, Jan 29
ONT
Ontario
IAH
Houston
₩440,800 Roundtrip, found 3 days ago
₩440,800
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Ontario to Houston, returning Thu, Jan 29, priced at ₩440,800 found 3 days ago
Delta
Wed, Jan 21 - Mon, Feb 2
ONT
Ontario
IAH
Houston
₩441,200 Roundtrip, found 3 days ago
₩441,200
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Ontario to Houston, returning Mon, Feb 2, priced at ₩441,200 found 3 days ago
Hawaiian Airlines
Sat, Jan 24 - Thu, Jan 29
ONT
Ontario
IAH
Houston
₩443,600 Roundtrip, found 3 days ago
₩443,600
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from Ontario to Houston, returning Thu, Jan 29, priced at ₩443,600 found 3 days ago
Delta
Wed, Jan 21 - Sat, Jan 31
ONT
Ontario
IAH
Houston
₩467,900 Roundtrip, found 3 days ago
₩467,900
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Ontario to Houston, returning Sat, Jan 31, priced at ₩467,900 found 3 days ago
Hawaiian Airlines
Fri, Jan 23 - Thu, Jan 29
ONT
Ontario
IAH
Houston
₩494,000 Roundtrip, found 3 days ago
₩494,000
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 23 from Ontario to Houston, returning Thu, Jan 29, priced at ₩494,000 found 3 days ago
Delta
Sat, Jan 24 - Sat, Jan 31
ONT
Ontario
IAH
Houston
₩494,500 Roundtrip, found 3 days ago
₩494,500
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 24 from Ontario to Houston, returning Sat, Jan 31, priced at ₩494,500 found 3 days ago
Hawaiian Airlines
Sat, Jan 24 - Fri, Jan 30
ONT
Ontario
IAH
Houston
₩496,800 Roundtrip, found 3 days ago
₩496,800
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from Ontario to Houston, returning Fri, Jan 30, priced at ₩496,800 found 3 days ago
Delta
Wed, Oct 15 - Fri, Oct 24
ONT
Ontario
IAH
Houston
₩504,600 Roundtrip, found 1 day ago
₩504,600
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 15 from Ontario to Houston, returning Fri, Oct 24, priced at ₩504,600 found 1 day ago
United
Fri, Oct 17 - Tue, Oct 21
ONT
Ontario
IAH
Houston
₩514,600 Roundtrip, found 3 days ago
₩514,600
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from Ontario to Houston, returning Tue, Oct 21, priced at ₩514,600 found 3 days ago
American Airlines
Wed, Oct 15 - Fri, Oct 24
ONT
Ontario
IAH
Houston
₩518,400 Roundtrip, found 1 day ago
₩518,400
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Ontario to Houston, returning Fri, Oct 24, priced at ₩518,400 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 ₩96,809 - ₩667,457 per traveler.

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 ₩440,800. 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 kilometers 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 traveling 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

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines
Roundtrip price
₩440,800
Distance
2128 km
Average flight time
5 hours 14 mins

Book with confidence

Book with confidence

Los Angeles to Houston Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Los Angeles to Houston will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Houston.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ONT to IAH flights that won’t make your bank account wince. Ready to temporarily leave behind Los Angeles for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAH with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Los Angeles to Houston Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Houston nearby Airports

Houston

Ontario nearby Airports

Los Angeles

Los Angeles Intl. to Houston
₩265,200

Burbank

Hollywood Burbank to Houston
₩416,100

Orange County

*Available to Expedia members.