ONT to IAH (Ontario to Houston) Flights

Last Minute Flights from ONT to IAH

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTHoustonMay 4 to May 13$172
*Prices include taxes and fees

Cheapest ONT to IAH Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTHoustonMay 30 to June 16$113
ONTHoustonJuly 2 to July 2$197
ONTHoustonAugust 31 to August 31$217
ONTHoustonAugust 30 to August 31$237
*Prices include taxes and fees
ONT to IAH Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
George Bush Intercontinental
Destination airport IATA code
IAH
Distance
1330 mi

Frequently asked questions

What airlines fly direct from ONT to IAH?
At the moment, you can’t travel straight between these airports. You’ll need to grab a flight with at least one stop from Los Angeles - Ontario Intl. Airport (ONT) to Houston Airport.
How many flights are there from ONT to IAH?
Roughly 29 a day. If you’re in a rush to head to Houston, see if you can grab a fabulous last-minute deal from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Houston, TX (IAH-George Bush Intercontinental) and then book it pronto!
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
It takes roughly 5 hours and 44 minutes to get from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Houston, TX (IAH-George Bush Intercontinental). That’s plenty of time to start your travel journal, do a bit of last-minute trip planning or read about the wonderful things you can do in Houston.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A laptop full of cool stuff to watch will come in handy on this medium-haul trip of 1,350 miles (2,100 1). While you’ll likely have some in-flight entertainment options, there’s nothing like having a great TV series waiting for you to hit play.
How many morning flights are there from ONT to IAH?
Early risers — you’ll be relieved to hear that there are 108 morning flights from ONT to IAH per week.

  • If you want to jet off with American Airlines (AA), it has 35 weekly flights that depart before noon. The 6:00AM flight is the first of the day.
  • Another top option is United Airlines. This carrier has 21 early flights per week. 5:15AM is the earliest departure time.
  • Book a seat with Frontier Airlines (F9) and you’ll have approximately 17 morning flights to choose between. The earliest departure time is 12:55AM.

How many afternoon flights are there from ONT to IAH?
Jet off on vacation aboard one of the 101 afternoon and evening flights from ONT to IAH every week.

  • American Airlines (AA) has 36 weekly services that take off after midday. The earliest departure is 12:50PM.
  • If you want to book a seat with Delta Air Lines (DL), take your pick of 23 weekly afternoon and evening flights that depart from 12:35PM onward.
  • Alternatively, pack your bags and go with Frontier Airlines (F9). This airline has 21 flights per week after midday, with the earliest departing at 12:29PM.

What is the earliest departure time out of Ontario to Houston?
The earliest flight takes off from ONT at 12:55AM and touches down at 8:55PM at IAH. Be sure to allow yourself plenty of time in the morning to easily get to your departure gate.
What is the latest departure time out of Ontario to Houston?
The latest flight leaves ONT at 11:59PM and comes in at IAH at 11:46PM. You’ll have ample time to prepare for this trip.
What is the average price from Ontario to Houston?
Round-trip tickets from ONT to IAH start from $113. Book soon and lock in a great deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to Houston Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to Houston to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from ONT to IAH, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to Houston, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.