Cheap Flight Tickets from Houston (IAH) to Ontario (ONT), Starting at $189

Good to Know: Cheapest and Fastest IAH - ONT Flights

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

Cheapest Round Trip Flight

$735

F9 Frontier Airlines • 1 stop • 25h 19m

Oct 09 – Oct 12

The cheapest round trip flight from Houston to Ontario (IAH-ONT-IAH) is currently $735

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Cheapest One way Flight

$189

AA American Airlines • 1 stop • 10h 58m

Oct 10

The cheapest one way flight from Houston to Ontario (IAH-ONT) is currently $189

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Cheapest Direct Flight

$298

F9 Frontier Airlines • nonstop • 5h 39m

Nov 23

The cheapest nonstop flight from Houston to Ontario (IAH-ONT) is currently $298

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Fastest Flight

5h 29m

The fastest nonstop flight from Houston to Ontario (IAH-ONT) takes 5h 29m

Top Airlines Flying from Houston to Ontario

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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

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

Oct 09 - Oct 12, Economy
F9
Houston → Ontario
25h 19m
10:31 AM - 11:50 PM • 1 stop
F9
Houston → Ontario
23h 46m
8:00 AM - 12:26 AM • 1 stop
$735
Frontier Airlines
Oct 09 - Oct 12, Economy
UA
Houston → Ontario
5h 29m
8:30 PM - 9:59 PM • nonstop
UA
Houston → Ontario
5h 15m
6:00 AM - 11:15 AM • nonstop
$1185
United Airlines
Oct 09 - Oct 12, Economy
UA
Houston → Ontario
13h 46m
6:20 AM - 12:46 PM • 1 stop
UA
Houston → Ontario
5h 15m
6:00 AM - 11:15 AM • nonstop
$1195
United Airlines
Oct 09 - Oct 12, Economy
DL
Houston → Ontario
10h 28m
7:27 PM - 11:55 PM • 1 stop
DL
Houston → Ontario
9h 9m
9:45 AM - 5:34 PM • 1 stop
$1259
Delta Airlines
Oct 09 - Oct 12, Economy
UA
Houston → Ontario
15h 31m
5:15 AM - 12:46 PM • 1 stop
UA
Houston → Ontario
5h 15m
6:00 AM - 11:15 AM • nonstop
$1329
United Airlines
Oct 09 - Oct 12, Economy
UA
Houston → Ontario
10h 56m
12:40 PM - 5:36 PM • 1 stop
UA
Houston → Ontario
5h 15m
6:00 AM - 11:15 AM • nonstop
$1404
United Airlines

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

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

FAQs on Houston to Ontario Flights

What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to ONT?
The most popular airline flying from Houston to Ontario are
Can I fly from IAH to ONT non-stop?
Yes, you can fly IAH to ONT non-stop on
Which airlines fly nonstop between Houston and Ontario?
The non-stop flights between Houston and Ontario are .
What’s the earliest departure time from IAH to ONT Airport?
The earliest flight leaves IAH at 5:15 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Houston to Ontario 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 IAH to ONT?
Read the fare rules of the Houston to Ontario 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 Houston and Ontario?
operate flights between Houston and Ontario
How long does a flight from Houston to Ontario take?
It takes approximately 3 hour to fly non-stop from IAH to ONT, which is 1333.6 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from IAH were found on AS : USD 436
Do I need a passport to fly between IAH and ONT?
No
What’s the latest departure time from IAH to ONT ?
The last flight leaves IAH at 8:30 pm

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

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

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