Cheap Flight Tickets from Houston (IAH) to Ontario (ONT), Starting at $142

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

$279

F9 Frontier Airlines • 1 stop • 13h 29m

Jun 05 – Jun 16

The cheapest round trip flight from Houston to Ontario (IAH-ONT-IAH) is currently $279

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Cheapest One way Flight

$142

UA United Airlines • 1 stop •

Jun 08

The cheapest one way flight from Houston to Ontario (IAH-ONT) is currently $142

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Cheapest Direct Flight

$429

F9 Frontier Airlines • nonstop • 5h 31m

Jun 12

The cheapest nonstop flight from Houston to Ontario (IAH-ONT) is currently $429

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Fastest Flight

5h 24m

The fastest nonstop flight from Houston to Ontario (IAH-ONT) takes 5h 24m

Top Airlines Flying from Houston to Ontario

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest 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.

Jun 05 - Jun 16, Economy
F9
Houston → Ontario
13h 29m
5:40 PM - 11:49 PM • 1 stop
F9
Houston → Ontario
5h 25m
5:43 PM - 11:08 PM • nonstop
$279
Frontier Airlines
Jun 05 - Jun 16, Economy
F9
Houston → Ontario
13h 24m
1:28 PM - 7:32 PM • 1 stop
F9
Houston → Ontario
5h 25m
5:43 PM - 11:08 PM • nonstop
$279
Frontier Airlines
Jun 05 - Jun 16, Economy
F9
Houston → Ontario
5h 38m
5:30 AM - 7:08 AM • nonstop
F9
Houston → Ontario
5h 25m
5:43 PM - 11:08 PM • nonstop
$589
Frontier Airlines
Jun 05 - Jun 16, Economy
AS
Houston → Ontario
15h 9m
8:00 AM - 3:09 PM • 1 stop
AS
Houston → Ontario
13h 20m
1:59 PM - 11:59 PM • 1 stop
$795
Alaska Airlines
Jun 05 - Jun 16, Economy
AS
Houston → Ontario
18h 32m
2:46 PM - 11:58 PM • 1 stop
AS
Houston → Ontario
15h 12m
12:47 PM - 11:59 PM • 1 stop
$795
Alaska Airlines
Jun 05 - Jun 16, Economy
AS
Houston → Ontario
18h 29m
6:00 AM - 3:09 PM • 1 stop
AS
Houston → Ontario
15h 12m
12:47 PM - 11:59 PM • 1 stop
$795
Alaska 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 5:30 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 DL : USD 1117
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 12:000 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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