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Cheap flights from Houston to Ontario from $49

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 to Ontario departing on 3/19. 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 to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Houston to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Houston to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Houston to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Houston to Los Angeles

Find recent round-trip train or bus tickets from Houston to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
1:14 pm - 11:47 pmIAH-ONT
12h 33m1 stop
4:04 pm - 9:21 pmONT-IAH
3h 17mnonstop
$103Frontier
Find Deal
Tue, Feb 11 - Wed, Mar 19
6:18 pm - 11:44 pmHOU-ONT
7h 26m1 stop
7:45 am - 5:26 pmONT-HOU
7h 41m1 stop
$107Frontier
Find Deal
Wed, Jan 15 - Wed, Jan 22
12:09 pm - 5:58 pmIAH-ONT
7h 49m1 stop
4:19 pm - 12:20 amONT-IAH
6h 01m1 stop
$108Frontier
Find Deal
Wed, Feb 26 - Thu, Feb 27
10:18 am - 11:58 pmIAH-ONT
15h 40m2 stops
9:22 pm - 11:07 amONT-IAH
11h 45m1 stop
Sat, Feb 22 - Sun, Mar 2
7:45 am - 12:24 pmIAH-ONT
6h 39m1 stop
1:00 pm - 11:59 pmONT-IAH
8h 59m1 stop
$326Delta
Find Deal
Fri, Feb 7 - Wed, Feb 12
4:00 pm - 11:51 pmIAH-ONT
9h 51m2 stops
1:00 pm - 11:59 pmONT-IAH
8h 59m1 stop
$331Delta
Find Deal
Fri, Feb 7 - Wed, Feb 12
9:30 am - 11:05 amHOU-ONT
3h 35mnonstop
11:55 am - 4:50 pmONT-HOU
2h 55mnonstop
$338Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
9:30 am - 11:05 amHOU-ONT
3h 35mnonstop
7:05 am - 2:15 pmONT-HOU
5h 10m1 stop
$347Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
6:00 am - 9:56 amHOU-ONT
5h 56m1 stop
2:54 pm - 10:30 pmONT-HOU
5h 36m1 stop
$386American Airlines
Find Deal
Sat, Feb 8 - Sat, Feb 15
10:15 am - 3:29 pmHOU-ONT
7h 14m2 stops
2:54 pm - 10:30 pmONT-HOU
5h 36m1 stop
$391American Airlines
Find Deal
Sat, Feb 8 - Sat, Feb 15
12:07 pm - 1:43 pmIAH-ONT
3h 36mnonstop
$49Frontier
Find Deal
Wed, Mar 19
12:09 pm - 5:58 pmIAH-ONT
7h 49m1 stop
$53Frontier
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Wed, Feb 12
8:15 pm - 9:57 pmIAH-ONT
3h 42mnonstop
$139United Airlines
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Wed, Jan 29
6:00 am - 11:50 amHOU-ONT
7h 50m1 stop
$148Delta
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Tue, Jan 28
6:10 am - 4:28 pmIAH-ONT
12h 18m2 stops
$153Delta
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Tue, Jan 21
9:30 am - 11:05 amHOU-ONT
3h 35mnonstop
$159Southwest
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Tue, Jan 21
9:30 am - 11:05 amHOU-ONT
3h 35mnonstop
$169Southwest
Find Deal
Thu, Jan 23
8:15 pm - 9:57 pmIAH-ONT
3h 42mnonstop
$179United Airlines
Find Deal
Tue, Jan 21
6:00 am - 12:07 pmHOU-ONT
8h 07m2 stops
$198American Airlines
Find Deal
Sat, Feb 22
12:16 pm - 6:24 pmIAH-ONT
8h 08m2 stops
$239American Airlines
Find Deal
Sun, Feb 2
10:37 pm - 3:48 pmIAH-ONT
19h 11m1 stop
1:39 pm - 6:52 pmONT-IAH
3h 13mnonstop
$254Frontier
Find Deal
Mon, Dec 23 - Wed, Dec 25
2:33 pm - 3:56 pmIAH-ONT
3h 23mnonstop
10:39 pm - 11:10 amONT-IAH
10h 31m1 stop
$288Frontier
Find Deal
Fri, Dec 27 - Tue, Dec 31
8:50 pm - 10:29 pmIAH-ONT
3h 39mnonstop
6:50 pm - 5:49 amONT-IAH
8h 59m1 stop
$800United Airlines
Find Deal
Thu, Dec 26 - Sun, Jan 5
12:02 pm - 6:33 pmIAH-ONT
8h 31m1 stop
6:05 am - 5:07 pmONT-IAH
9h 02m1 stop
$891American Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 1
6:00 am - 11:46 amHOU-ONT
7h 46m1 stop
6:05 am - 5:48 pmONT-HOU
9h 43m1 stop
$891American Airlines
Find Deal
Fri, Dec 27 - Wed, Jan 1
8:35 pm - 10:14 pmIAH-ONT
3h 39mnonstop
6:10 am - 11:14 amONT-IAH
3h 04mnonstop
$940United Airlines
Find Deal
Fri, Dec 27 - Sun, Dec 29
7:40 am - 12:08 pmIAH-ONT
6h 28m1 stop
11:56 am - 9:05 pmONT-IAH
7h 09m1 stop
$959Delta
Find Deal
Wed, Dec 25 - Sat, Dec 28
6:25 am - 4:18 pmIAH-ONT
11h 53m2 stops
11:56 am - 9:05 pmONT-IAH
7h 09m1 stop
$964Delta
Find Deal
Mon, Dec 23 - Sat, Dec 28
1:30 pm - 3:00 pmHOU-ONT
3h 30mnonstop
8:35 am - 1:35 pmONT-HOU
3h 00mnonstop
$1,008Southwest
Find Deal
Mon, Dec 23 - Tue, Dec 24
7:10 pm - 12:10 amHOU-ONT
7h 00m1 stop
8:35 am - 1:35 pmONT-HOU
3h 00mnonstop
$1,017Southwest
Find Deal
Mon, Dec 23 - Wed, Dec 25
12:07 pm - 1:43 pmIAH-ONT
3h 36mnonstop
4:04 pm - 9:21 pmONT-IAH
3h 17mnonstop
$111Frontier
Find Deal
Wed, Feb 12 - Wed, Mar 19
12:07 pm - 1:43 pmIAH-ONT
3h 36mnonstop
4:04 pm - 9:21 pmONT-IAH
3h 17mnonstop
$116Frontier
Find Deal
Fri, Mar 14 - Tue, Mar 18
12:07 pm - 1:43 pmIAH-ONT
3h 36mnonstop
4:09 pm - 9:26 pmONT-IAH
3h 17mnonstop
$126Frontier
Find Deal
Sat, Mar 15 - Mon, Mar 17
7:10 pm - 8:46 pmIAH-ONT
3h 36mnonstop
4:04 pm - 9:21 pmONT-IAH
3h 17mnonstop
$131Frontier
Find Deal
Mon, Feb 10 - Wed, Mar 19
8:15 pm - 9:57 pmIAH-ONT
3h 42mnonstop
6:00 am - 11:03 amONT-IAH
3h 03mnonstop
$337United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
9:30 am - 11:05 amHOU-ONT
3h 35mnonstop
11:55 am - 4:50 pmONT-HOU
2h 55mnonstop
$338Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
8:25 am - 10:05 amHOU-ONT
3h 40mnonstop
11:25 am - 4:20 pmONT-HOU
2h 55mnonstop
$379Southwest
Find Deal
Sat, Feb 22 - Sun, Mar 2
8:15 pm - 9:57 pmIAH-ONT
3h 42mnonstop
6:00 am - 11:03 amONT-IAH
3h 03mnonstop
$387United Airlines
Find Deal
Fri, Jan 17 - Tue, Jan 21
8:15 pm - 9:57 pmIAH-ONT
3h 42mnonstop
6:00 am - 11:03 amONT-IAH
3h 03mnonstop
$388United Airlines
Find Deal
Thu, Jan 16 - Wed, Jan 22
8:20 am - 10:00 amHOU-ONT
3h 40mnonstop
3:00 pm - 7:55 pmONT-HOU
2h 55mnonstop
$642Southwest
Find Deal
Sat, Mar 8 - Sat, Mar 15

Frontier flights from Houston to Ontario

Our best Frontier deals on Houston to Ontario flight tickets
Frontier
Feb 11
IAH1:14 pmHouston George Bush Intcntl
12h 33m
1 stop
ONT11:47 pmOntario
Mar 19
ONT4:04 pmOntario
3h 17m
IAH9:21 pmHouston George Bush Intcntl
Frontier
Jan 15
HOU6:18 pmHouston Hobby
7h 26m
1 stop
ONT11:44 pmOntario
Jan 22
ONT7:45 amOntario
7h 41m
1 stop
HOU5:26 pmHouston Hobby
Frontier
Feb 26
IAH12:09 pmHouston George Bush Intcntl
7h 49m
1 stop
ONT5:58 pmOntario
Feb 27
ONT4:19 pmOntario
6h 01m
1 stop
IAH12:20 amHouston George Bush Intcntl

American Airlines flights from Houston to Ontario

Our best American Airlines deals on Houston to Ontario flight tickets
American Airlines
Feb 8
HOU6:00 amHouston Hobby
5h 56m
1 stop
ONT9:56 amOntario
Feb 15
ONT2:54 pmOntario
5h 36m
1 stop
HOU10:30 pmHouston Hobby
American Airlines
Feb 8
HOU10:15 amHouston Hobby
7h 14m
2 stops
ONT3:29 pmOntario
Feb 15
ONT2:54 pmOntario
5h 36m
1 stop
HOU10:30 pmHouston Hobby
American Airlines
Feb 22
HOU6:00 amHouston Hobby
8h 07m
2 stops
ONT12:07 pmOntario
Mar 2
ONT6:59 amOntario
6h 41m
1 stop
HOU3:40 pmHouston Hobby

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Houston 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 to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $150. If you aren’t able to travel during the month of September, then book flights to Ontario from Houston during July instead. Flights to Ontario in July, while not as cheap as those in September, still average around $194.

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 $195. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Ontario for around $278.

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

In the afternoon is the cheapest time of day to fly from Houston to Ontario when you can find flight prices for as low as $185. Flying to Ontario in the afternoon 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 morning when prices are $254 on average. Flights to Ontario from Houston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston to Ontario flight route?

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

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

Most flyers found that booking tickets 43 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $221. However, in the past 72 hours, people saw flights from Houston for as low as $108.

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

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

Can stopping save me money on Houston to Ontario flights?

You could potentially save up to 8% on your flight if you consider stops on a Houston to Ontario flight.

Cheap Houston to Ontario flight deals and tips

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

Best Price Found

$49

Fastest flight time

3h 21m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Houston in the past 72 hours is $49. The best round-trip flight deal from Houston to Ontario found on momondo in the last 72 hours is $103.
The fastest flight from Houston to Ontario takes 3h 21m
Direct flights go from Houston to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Houston to Ontario by plane?

    Houston and Ontario are 1336.6 mi apart from one another. Flights usually cover this in 3h 23m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Houston to Ontario

Compare and see reviews for airlines that fly from Houston to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $89Free CancellationRating
6.1
3,472 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,111 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $177Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
DeltaPriceFrom $216Free CancellationRating
8.0
8,594 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $267Free CancellationRating
8.1
4,804 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Houston.

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

Yes. momondo allows you to filter the results for Houston to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Houston.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Houston and alert you when they change.


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