Cheap Flight Tickets from Houston (IAH) to Ontario (ONT), Starting at $242

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

$242

F9 Frontier Airlines • nonstop • 5h 22m

Jul 18 – Jul 18

The cheapest round trip flight from Houston to Ontario (IAH-ONT-IAH) is currently $242

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Cheapest One way Flight

$346

AS Alaska Airlines • 1 stop • 40h 33m

Jul 21

The cheapest one way flight from Houston to Ontario (IAH-ONT) is currently $346

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Cheapest Direct Flight

$385

F9 Frontier Airlines • nonstop • 5h 22m

Jul 18

The cheapest nonstop flight from Houston to Ontario (IAH-ONT) is currently $385

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Fastest Flight

5h 22m

The fastest nonstop flight from Houston to Ontario (IAH-ONT) takes 5h 22m

Top Airlines Flying from Houston to Ontario

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Jul 18 - Jul 18, Economy
F9
Houston → Ontario
5h 22m
6:10 AM - 7:32 AM • nonstop
F9
Houston → Ontario
35h 45m
10:49 AM - 10:34 AM • 1 stop
$242
Frontier Airlines
Jul 18 - Jul 18, Economy
F9
Houston → Ontario
5h 22m
6:10 AM - 7:32 AM • nonstop
F9
Houston → Ontario
5h 20m
9:32 AM - 2:52 PM • nonstop
$385
Frontier Airlines
Jul 18 - Jul 18, Economy
AS
Houston → Ontario
15h 7m
6:02 AM - 1:09 PM • 1 stop
AS
Houston → Ontario
13h 31m
8:09 PM - 6:20 AM • 1 stop
$411
Alaska Airlines
Jul 18 - Jul 18, Economy
AA
Houston → Ontario
8h 51m
8:31 AM - 12:02 PM • 1 stop
AA
Houston → Ontario
5h 32m
2:11 PM - 7:43 PM • nonstop
$497
American Airlines
Jul 20 - Jul 27, Economy
DL
Houston → Ontario
15h 12m
2:38 PM - 9:50 PM • 1 stop
DL
Houston → Ontario
15h 45m
10:00 PM - 9:45 AM • 1 stop
$646
Delta Airlines
Jul 18 - Jul 18, Economy
DL
Houston → Ontario
13h 44m
12:06 PM - 6:30 PM • 1 stop
DL
Houston → Ontario
15h 11m
9:24 PM - 8:35 AM • 1 stop
$1130
Delta 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 6:02 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 607
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 6:19 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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