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Cheap flights from Houston George Bush Intcntl Airport to Ontario from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Ontario departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Houston George Bush Intcntl Airport to Los Angeles.
12:09 pm - 1:42 pmIAH-ONT
3h 33mnonstop
2:06 pm - 7:08 pmONT-IAH
3h 02mnonstop
$122Frontier
Find Deal
Fri, Apr 25 - Mon, Apr 28
12:09 pm - 1:42 pmIAH-ONT
3h 33mnonstop
2:06 pm - 7:08 pmONT-IAH
3h 02mnonstop
$123Frontier
Find Deal
Fri, Apr 25 - Mon, Apr 28
8:20 pm - 10:00 pmIAH-ONT
3h 40mnonstop
6:08 am - 11:13 amONT-IAH
3h 05mnonstop
$177United Airlines
Find Deal
Fri, May 9 - Wed, May 14
5:00 am - 9:54 amIAH-ONT
6h 54m1 stop
12:50 pm - 10:01 pmONT-IAH
7h 11m1 stop
$197American Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
8:26 am - 11:59 amIAH-ONT
5h 33m1 stop
10:00 am - 6:47 pmONT-IAH
6h 47m2 stops
$202American Airlines
Find Deal
Sat, May 3 - Wed, May 7
4:01 pm - 8:34 pmIAH-ONT
6h 33m1 stop
6:08 am - 11:13 amONT-IAH
3h 05mnonstop
$227United Airlines
Find Deal
Sat, May 10 - Thu, May 15
7:00 pm - 11:42 pmIAH-ONT
6h 42m1 stop
10:01 am - 5:56 pmONT-IAH
5h 55m1 stop
$237Delta
Find Deal
Thu, May 29 - Tue, Jun 3
7:00 pm - 11:42 pmIAH-ONT
6h 42m1 stop
10:01 am - 5:56 pmONT-IAH
5h 55m1 stop
$268Delta
Find Deal
Tue, May 27 - Mon, Jun 2
5:54 pm - 11:57 pmIAH-ONT
8h 03m1 stop
7:30 am - 4:54 pmONT-IAH
7h 24m1 stop
$295Alaska Airlines
Find Deal
Wed, May 28 - Sat, May 31
5:54 pm - 11:57 pmIAH-ONT
8h 03m1 stop
6:58 pm - 6:20 amONT-IAH
9h 22m1 stop
$327Alaska Airlines
Find Deal
Tue, Jun 10 - Thu, Jun 12

Frontier flights from Houston George Bush Intcntl Airport to Ontario

Our best Frontier deals on Houston George Bush Intcntl Airport to Ontario flight tickets
Frontier
Apr 25
IAH12:09 pmHouston George Bush Intcntl
3h 33m
ONT1:42 pmOntario
Apr 28
ONT2:06 pmOntario
3h 02m
IAH7:08 pmHouston George Bush Intcntl
Frontier
Apr 25
IAH12:09 pmHouston George Bush Intcntl
3h 33m
ONT1:42 pmOntario
Apr 28
ONT2:06 pmOntario
3h 02m
IAH7:08 pmHouston George Bush Intcntl
Frontier
Apr 11
IAH12:09 pmHouston George Bush Intcntl
3h 33m
ONT1:42 pmOntario
Apr 17
ONT4:04 pmOntario
3h 02m
IAH9:06 pmHouston George Bush Intcntl

American Airlines flights from Houston George Bush Intcntl Airport to Ontario

Our best American Airlines deals on Houston George Bush Intcntl Airport to Ontario flight tickets
American Airlines
Apr 23
IAH5:00 amHouston George Bush Intcntl
6h 54m
1 stop
ONT9:54 amOntario
Apr 30
ONT12:50 pmOntario
7h 11m
1 stop
IAH10:01 pmHouston George Bush Intcntl
American Airlines
May 3
IAH8:26 amHouston George Bush Intcntl
5h 33m
1 stop
ONT11:59 amOntario
May 7
ONT10:00 amOntario
6h 47m
2 stops
IAH6:47 pmHouston George Bush Intcntl
American Airlines
May 9
IAH6:00 amHouston George Bush Intcntl
7h 50m
2 stops
ONT11:50 amOntario
May 15
ONT10:00 amOntario
5h 26m
1 stop
IAH5:26 pmHouston George Bush Intcntl

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Houston George Bush Intcntl Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $127. If you aren’t able to travel during the month of September, then book flights to Ontario from Houston George Bush Intcntl Airport during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $130.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $380. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to Ontario for around $451.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Ontario when you can find flight prices for as low as $160. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $267 on average. Flights to Ontario from Houston George Bush Intcntl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston George Bush Intcntl to Ontario flight route?

Fly from Houston George Bush Intcntl to Ontario for the best Houston George Bush Intcntl - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Houston George Bush Intcntl Airport when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $187 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Houston George Bush Intcntl Airport for as low as $137 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Ontario flights?

There are 3 cabin classes available to choose from on Houston George Bush Intcntl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to Ontario flight prices changed over time?

As of March 2025, prices for Houston George Bush Intcntl Airport to Ontario flights are approximately 97% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Ontario (IAH to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Ontario

Best Price Found

$58

Fastest flight time

3h 18m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Houston George Bush Intcntl Airport in the past 72 hours is $58. The best round-trip flight deal from Houston George Bush Intcntl Airport to Ontario found on momondo in the last 72 hours is $122.
The fastest flight from Houston George Bush Intcntl Airport to Ontario takes 3h 18m
Direct flights go from Houston George Bush Intcntl Airport to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Houston George Bush Intcntl to Ontario by plane?

    Houston George Bush Intcntl and Ontario are 1333.0 mi apart from one another. In terms of flight time, this usually takes a little over 3h 18m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Ontario Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Ontario Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Ontario Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Ontario?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Ontario?


Best airlines flying from Houston George Bush Intcntl Airport to Ontario

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $86Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
7,881 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to Ontario

    United Airlines flight deals from Houston George Bush Intcntl Airport to Ontario start from $189 round-trip. Over the 4 United Airlines flights for this route in a normal week, average airfare is usually $376 round-trip - but some users have found much cheaper deals with momondo.

  • Frontier Flights From Houston George Bush Intcntl Airport to Ontario

    Frontier (6.0/10 from 3,271 reviews) operates around 2 flights from Houston George Bush Intcntl Airport to Ontario in any given week. The average Frontier airfare for this route is around $155, with deals from around $86 rare but found on momondo. Referenced prices are for round-trip Houston George Bush Intcntl Airport to Ontario flight searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ontario?

Finding the right flight to Ontario from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Houston to Ontario with flexible booking policies on momondo?

All flight searches from Houston to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Ontario?

Once you have performed a search for Houston to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.


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