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Cheap flights from Ontario to Houston from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Houston departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
11:50 am - 4:55 pm
ONT
-
HOU
3h 05mnonstop
Southwest Logo
8:10 am - 9:35 am
HOU
-
ONT
3h 25mnonstop
$237Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
6:20 am - 2:15 pm
ONT
-
HOU
5h 55m
1 stop
Southwest Logo
8:10 am - 9:35 am
HOU
-
ONT
3h 25mnonstop
$247Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
11:50 am - 4:55 pm
ONT
-
HOU
3h 05mnonstop
Southwest Logo
8:25 am - 2:10 pm
HOU
-
ONT
7h 45m
2 stops
$252Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
9:00 pm - 10:25 pm
HOU
-
ONT
3h 25mnonstop
$254Southwest
Tue, Apr 28 - Tue, May 5
Southwest Logo
1:50 pm - 6:50 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
8:10 am - 9:35 am
HOU
-
ONT
3h 25mnonstop
$257Southwest
Fri, May 1 - Sat, May 2
Delta Logo
12:49 pm - 11:07 pm
ONT
-
HOU
8h 18m
1 stop
Delta Logo
6:00 am - 4:17 pm
HOU
-
ONT
12h 17m
2 stops
$262Delta
Sat, May 2 - Sat, May 9
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
8:00 am - 10:55 am
HOU
-
ONT
4h 55m
1 stop
$263Southwest
Wed, May 6 - Mon, May 11
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
6:40 am - 10:15 am
HOU
-
ONT
5h 35m
1 stop
$264Southwest
Tue, Apr 28 - Tue, May 5
Delta Logo
5:59 pm - 9:58 am
ONT
-
HOU
13h 59m
2 stops
Delta Logo
6:00 am - 4:17 pm
HOU
-
ONT
12h 17m
2 stops
$267Delta
Sat, May 2 - Sat, May 9
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
2:45 pm - 10:15 pm
HOU
-
ONT
9h 30m
2 stops
$269Southwest
Tue, Apr 28 - Tue, May 5

Southwest flights from Ontario to Houston Hobby Airport

Our best Southwest deals on Ontario to Houston Hobby Airport flight tickets
Southwest
May 2
ONT11:50 amOntario
3h 05m
HOU4:55 pmHouston Hobby
May 9
HOU8:10 amHouston Hobby
3h 25m
ONT9:35 amOntario
$237
Southwest
May 2
ONT6:20 amOntario
5h 55m
1 stop
HOU2:15 pmHouston Hobby
May 9
HOU8:10 amHouston Hobby
3h 25m
ONT9:35 amOntario
$247
Southwest
May 2
ONT11:50 amOntario
3h 05m
HOU4:55 pmHouston Hobby
May 9
HOU8:25 amHouston Hobby
7h 45m
2 stops
ONT2:10 pmOntario
$252

Delta flights from Ontario to Houston Hobby Airport

Our best Delta deals on Ontario to Houston Hobby Airport flight tickets
Delta
May 2
ONT12:49 pmOntario
8h 18m
1 stop
HOU11:07 pmHouston Hobby
May 9
HOU6:00 amHouston Hobby
12h 17m
2 stops
ONT4:17 pmOntario
$262
Delta
May 2
ONT5:59 pmOntario
13h 59m
2 stops
HOU9:58 amHouston Hobby
May 9
HOU6:00 amHouston Hobby
12h 17m
2 stops
ONT4:17 pmOntario
$267
Delta
May 6
ONT10:15 pmOntario
9h 17m
1 stop
HOU9:32 amHouston Hobby
May 8
HOU1:06 pmHouston Hobby
10h 42m
1 stop
ONT9:48 pmOntario
$294

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Houston Hobby Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from Ontario to Houston Hobby Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/2

11:50 am-4:55 pm

Nonstop3h 05m

Houston Hobby

Sat 5/9

8:10 am-9:35 am

Nonstop3h 25m

$237

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/2

6:20 am-2:15 pm

1 stop5h 55m

Houston Hobby

Sat 5/9

8:10 am-9:35 am

Nonstop3h 25m

$247

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/2

11:50 am-4:55 pm

Nonstop3h 05m

Houston Hobby

Sat 5/9

8:25 am-2:10 pm

2 stops7h 45m

$252
Quickest round-trip

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 4/28

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Tue 5/5

9:00 pm-10:25 pm

Nonstop3h 25m

$254

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 5/1

1:50 pm-6:50 pm

Nonstop3h 00m

Houston Hobby

Sat 5/2

8:10 am-9:35 am

Nonstop3h 25m

$257

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/2

12:49 pm-11:07 pm

1 stop8h 18m

Houston Hobby

Sat 5/9

6:00 am-4:17 pm

2 stops12h 17m

$262

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 5/6

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Mon 5/11

8:00 am-10:55 am

1 stop4h 55m

$263

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 4/28

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Tue 5/5

6:40 am-10:15 am

1 stop5h 35m

$264

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/2

5:59 pm-9:58 am

2 stops13h 59m

Houston Hobby

Sat 5/9

6:00 am-4:17 pm

2 stops12h 17m

$267

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 4/28

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Tue 5/5

2:45 pm-10:15 pm

2 stops9h 30m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Ontario to Houston Hobby Airport

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 typical price of a round-trip flight between Ontario and Houston Hobby Airport?

What is the cheapest month to fly to Houston Hobby Airport?

In general, October is the cheapest month to fly from Ontario to Houston Hobby Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. The month of April is another great option to travel to Houston Hobby Airport, with average flight prices from Ontario averaging around $225.

What is the cheapest day to depart on your flight to Houston Hobby Airport?

Our data shows that Friday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $360. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston Hobby Airport on Sunday is $464.

What is the cheapest time of day to depart on your flight to Houston Hobby Airport?

According to our data, the cheapest time of day to fly to Houston Hobby Airport is at noon. momondo users have found flights departing from Ontario to Houston Hobby Airport at noon for as low as $247. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $411. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Houston Hobby flight route?

Fly from Ontario to Houston Hobby for the best Ontario - Houston Hobby flight prices

How far in advance should I book a flight to Houston Hobby Airport?

You are more likely to see cheaper flights to Houston Hobby Airport from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston Hobby Airport for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston Hobby Airport from Ontario for as low as $203 on momondo.

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

There is only 1 cabin class available to choose from on Ontario to Houston Hobby 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 Ontario to Houston Hobby Airport flights?

You could potentially save up to 31% on your flight if you consider stops on a Ontario to Houston Hobby Airport flight.

How have Ontario to Houston Hobby Airport flight prices changed over time?

As of April 2026, prices for Ontario to Houston Hobby Airport flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Houston Hobby Airport

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

Cheap Ontario to Houston Hobby Airport (ONT to HOU) flight deals and tips

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

Best Price Found

$207

Fastest flight time

2h 55m

Direct flights

Every day
The best one-way flight to Houston Hobby Airport from Ontario in the past 72 hours is $207. The best round-trip flight deal from Ontario to Houston Hobby Airport found on momondo in the last 72 hours is $383.
The fastest flight from Ontario to Houston Hobby Airport takes 2h 55m
Direct flights go from Ontario to Houston Hobby Airport every day.
Search flight deals

Frequently asked questions about flying from Ontario to Houston Hobby Airport

  • How far is Ontario to Houston Hobby by plane?

    There are 1344.1 mi between Ontario and Houston Hobby. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Houston Hobby Airport.

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

    The necessary travel and health documents for your Houston Hobby Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ontario to Houston Hobby Airport?

  • What is the most popular airline from Ontario to Houston Hobby Airport?

Best airlines flying from Ontario to Houston Hobby Airport

Compare and see reviews for airlines that fly from Ontario to Houston Hobby Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $65Free CancellationRating
5.7
3,004 reviews
Search Frontier flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights
SouthwestPriceFrom $191Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights

  • Southwest Flights From Ontario to Houston Hobby Airport

    Southwest flight deals from Ontario to Houston Hobby Airport start from $191 round-trip. Over the 7 Southwest flights for this route in a normal week, average airfare is usually $391 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Galveston
Sugar Land
Pasadena
Kemah
Baytown
Texas City
Webster
Rosenberg
Pearland
Freeport
League City
Lake Jackson
Stafford
Seabrook
Missouri City
West University Place
La Marque
Nassau Bay

Why use momondo?

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

It is quick and easy to find Ontario to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

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

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

momondo provides multiple filters to help you find the best flight to Houston from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ontario to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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