Cheap Flight Tickets from Ontario (ONT) to Houston (IAH), Starting at $155

Good to Know: Cheapest and Fastest ONT - IAH Flights

Useful information for finding best airline tickets from Ontario International to George Bush Intercontinental Houston on your next trip.

Cheapest Round Trip Flight

$155

F9 Frontier Airlines • 1 stop • 13h 40m

Sep 04 – Sep 07

The cheapest round trip flight from Ontario to Houston (ONT-IAH-ONT) is currently $155

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Cheapest One way Flight

$521

AA American Airlines • 1 stop • 10h 7m

Aug 09

The cheapest one way flight from Ontario to Houston (ONT-IAH) is currently $521

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Cheapest Direct Flight

$165

F9 Frontier Airlines • nonstop • 5h 20m

Sep 04

The cheapest nonstop flight from Ontario to Houston (ONT-IAH) is currently $165

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Fastest Flight

5h 15m

The fastest nonstop flight from Ontario to Houston (ONT-IAH) takes 5h 15m

Top Airlines Flying from Ontario to Houston

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

Aeromexico Airline (AM)

Aeromexico

Latest Flight Deals from Ontario (ONT) to Houston (IAH)

Compare and book low fare round-trip air tickets from Ontario to Houston. Ideal for travelers with confirmed return itineraries.

Sep 04 - Sep 07, Economy
F9
Ontario → Houston
13h 40m
10:49 AM - 9:09 PM • 1 stop
F9
Ontario → Houston
15h 34m
1:53 PM - 9:27 PM • 1 stop
$155
Frontier Airlines
Sep 04 - Sep 07, Economy
F9
Ontario → Houston
8h 38m
11:50 AM - 7:08 PM • 1 stop
F9
Ontario → Houston
15h 34m
1:53 PM - 9:27 PM • 1 stop
$155
Frontier Airlines
Sep 04 - Sep 07, Economy
F9
Ontario → Houston
20h 6m
10:49 AM - 12:55 AM • 1 stop
F9
Ontario → Houston
5h 22m
6:10 AM - 7:32 AM • nonstop
$159
Frontier Airlines
Sep 04 - Sep 07, Economy
F9
Ontario → Houston
20h 41m
10:17 PM - 12:58 PM • 1 stop
F9
Ontario → Houston
5h 22m
6:10 AM - 7:32 AM • nonstop
$159
Frontier Airlines
Sep 04 - Sep 07, Economy
F9
Ontario → Houston
5h 20m
9:33 AM - 2:53 PM • nonstop
F9
Ontario → Houston
15h 34m
1:53 PM - 9:27 PM • 1 stop
$161
Frontier Airlines
Sep 04 - Sep 07, Economy
UA
Ontario → Houston
5h 15m
6:00 AM - 11:15 AM • nonstop
UA
Ontario → Houston
10h 26m
4:27 PM - 8:53 PM • 1 stop
$262
United Airlines

Fly from Ontario to Houston with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Houston? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Houston Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to IAH?
The most popular airline flying from Ontario to Houston are
Can I fly from ONT to IAH non-stop?
Yes, you can fly ONT to IAH non-stop on
Which airlines fly nonstop between Ontario and Houston?
The non-stop flights between Ontario and Houston are .
What’s the earliest departure time from ONT to IAH Airport?
The earliest flight leaves ONT at 6:00 am and lands in IAH - George Bush Intercontinental Houston
What are the airports in Houston?
IAH
Can I make changes to my Ontario to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to IAH?
Read the fare rules of the Ontario to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Houston?
operate flights between Ontario and Houston
How long does a flight from Ontario to Houston take?
It takes approximately 3 hour to fly non-stop from ONT to IAH, which is 1333.6 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Houston (IAH) ?
In the past couple of days, the cheapest tickets to IAH from ONT were found on AS : USD 643
Do I need a passport to fly between ONT and IAH?
No
What’s the latest departure time from ONT to IAH ?
The last flight leaves ONT at 3:0500 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to iah?
You can find budget-friendly flights from Ontario International Airport (ONT) to George Bush Intercontinental Houston Airport (IAH) on Delta Airlines. With a round-trip business class ticket, you can enjoy priority check-in, lounge access, and flatbed seats. Booking at least 51 days in advance can help you secure Low Fares. Visit our website for the latest airfare deals and cheap airline tickets.
What's the popular airline to fly from ont to iah?
You can fly from Ontario International Airport (ONT) to George Bush Intercontinental Houston Airport (IAH) on Delta Airlines. As a business class passenger, you'll enjoy priority check-in, lounge access, and flatbed seats. With two stops, the flight duration is approximately 7 hours. Booking at least 51 days in advance can help you secure cheaper airfares.
What's the cheapest day of the week to fly from ont to iah?
The cheapest day to fly from Ontario International Airport (ONT) to George Bush Intercontinental Houston Airport (IAH) is Sunday. Flying on Sundays can result in lower airfares, making it a budget-friendly option for your round-trip Business class flights.
What's the cheapest month to fly from ont to iah?
The cheapest month to fly from Ontario (ONT) to George Bush Intercontinental Houston (IAH) is December. Flying during this time can help you save on airfares, making it a budget-friendly option for your round-trip Business class ticket. Low fares are often associated with lower demand, so booking in advance will ensure the best savings.
Which airline/airlines fly from ont to iah?
You can fly from Ontario International Airport (ONT) to George Bush Intercontinental Houston Airport (IAH) on various airlines. Southwest Airlines (WN), JetBlue Airways (B6), American Airlines (AA), Frontier Airlines (F9), Aeromexico (AM), Sun Country Airlines (SY), Avianca (AV), Hawaiian Airlines (HA), United Airlines (UA), and Volaris Airline (Y4) operate flights on this route. For budget-friendly airfares, consider booking in advance or exploring last-minute deals.
How can I find the cheapest airline tickets on your website?
Use fareleaders.com to compare airfares from various airlines like Delta Airlines, Southwest Airlines, and more. Enter your travel dates, destinations, and preferred cabin type to get the best deals.
What is the process of booking a ticket on fareleaders.com like?
Book your flight with fareleaders.com by selecting your preferred airline, travel dates, and class of service. You can also look up flights and fares on our website or via our mobile app.
Can I book my airfare via your web portal?
Yes, you can book your airfare directly on fareleaders.com. Simply select your preferred airline, travel dates, and class of service to complete your booking.
Do you offer any discounts or promotions for advance bookings?
Yes, we offer exclusive discounts for advance bookings made at least 51 days prior to your trip. Check our website for the latest deals and offers.
How do I need to prepare for my round trip journey?
Before booking your round-trip flight, ensure you have all necessary travel documents, such as a valid passport and visa (if required). Also, check the baggage allowance and any additional fees associated with your chosen airline.
Can I look up flights and fares on your agency
Yes, you can look up flights and fares on our website or via our mobile app. Simply enter your travel dates, destinations, and preferred cabin type to get the best deals.
What is the best way to book airfare on fareleaders.com for my international flight?
Use fareleaders.com to compare airfares from various airlines like Delta Airlines, Southwest Airlines, and more. Enter your travel dates, destinations, and preferred cabin type to get the best deals.

Ontario (ONT) to Houston (IAH): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport George Bush Intercontinental Houston , Houston, US
Distance 1334 miles

More Flight Options for Ontario (ONT) and Houston (IAH)

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