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Cheap flights from Ontario to Houston from $167

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 1/13. 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.
American Airlines Logo
11:59 pm - 9:44 am
ONT
-
HOU
7h 45m1 stop
American Airlines Logo
10:15 am - 6:39 pm
HOU
-
ONT
10h 24m1 stop
$329American Airlines
Mon, Feb 16 - Wed, Feb 18
Southwest Logo
1:50 pm - 6:50 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
9:00 pm - 10:25 pm
HOU
-
ONT
3h 25mnonstop
$333Southwest
Thu, Apr 30 - Tue, May 5
Southwest Logo
1:50 pm - 6:50 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
1:35 pm - 5:50 pm
HOU
-
ONT
6h 15m1 stop
$343Southwest
Thu, Apr 30 - Sat, May 9
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
8:55 pm - 10:30 pm
HOU
-
ONT
3h 35mnonstop
$345Southwest
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
7:16 am - 6:06 pm
ONT
-
HOU
8h 50m1 stop
American Airlines Logo
6:00 am - 10:08 am
HOU
-
ONT
6h 08m1 stop
$346American Airlines
Sat, Jan 17 - Sat, Jan 24
Southwest Logo
5:30 am - 1:55 pm
ONT
-
HOU
6h 25m2 stops
Southwest Logo
9:00 pm - 10:25 pm
HOU
-
ONT
3h 25mnonstop
$348Southwest
Thu, Apr 30 - Tue, May 5
American Airlines Logo
11:59 pm - 9:44 am
ONT
-
HOU
7h 45m1 stop
American Airlines Logo
8:20 pm - 11:59 pm
HOU
-
ONT
5h 39m1 stop
$353American Airlines
Thu, Mar 5 - Mon, Mar 9
Southwest Logo
2:15 pm - 7:15 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
3:35 pm - 5:10 pm
HOU
-
ONT
3h 35mnonstop
$355Southwest
Mon, Feb 16 - Wed, Feb 18
Southwest Logo
9:00 am - 6:15 pm
ONT
-
HOU
7h 15m2 stops
Southwest Logo
9:25 am - 3:10 pm
HOU
-
ONT
7h 45m1 stop
$358Southwest
Sat, Feb 14 - Tue, Feb 17
American Airlines Logo
7:16 am - 10:46 pm
ONT
-
HOU
13h 30m1 stop
American Airlines Logo
12:47 pm - 5:22 pm
HOU
-
ONT
6h 35m1 stop
$359American Airlines
Sun, Jan 18 - Mon, Jan 26

Southwest flights from Ontario to Houston Hobby Airport

Our best Southwest deals on Ontario to Houston Hobby Airport flight tickets
Southwest
Jan 28
ONT5:15 amOntario
3h 00m
HOU10:15 amHouston Hobby
Jan 28
HOU3:35 pmHouston Hobby
3h 35m
ONT5:10 pmOntario
$333
Find similar
Southwest
Mar 25
ONT6:00 amOntario
4h 45m
1 stop
HOU12:45 pmHouston Hobby
Apr 1
HOU9:30 pmHouston Hobby
3h 35m
ONT11:05 pmOntario
$339
Find similar
Southwest
Jan 28
ONT5:15 amOntario
3h 00m
HOU10:15 amHouston Hobby
Jan 28
HOU1:40 pmHouston Hobby
5h 15m
1 stop
ONT4:55 pmOntario
$343
Find similar

Delta flights from Ontario to Houston Hobby Airport

Our best Delta deals on Ontario to Houston Hobby Airport flight tickets
Delta
Feb 11
ONT12:41 pmOntario
7h 52m
1 stop
HOU10:33 pmHouston Hobby
Feb 17
HOU5:25 amHouston Hobby
8h 37m
1 stop
ONT12:02 pmOntario
$416
Find similar
Delta
Jan 20
ONT10:30 pmOntario
9h 51m
1 stop
HOU10:21 amHouston Hobby
Jan 27
HOU5:45 amHouston Hobby
12h 30m
2 stops
ONT4:15 pmOntario
$421
Find similar
Delta
Mar 24
ONT10:25 pmOntario
10h 14m
1 stop
HOU10:39 amHouston Hobby
Mar 29
HOU6:00 amHouston Hobby
7h 40m
1 stop
ONT11:40 amOntario
$426
Find similar

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 December 23, 2025.
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

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 2/16

11:59 pm-9:44 am

1 stop7h 45m

Houston Hobby

Wed 2/18

10:15 am-6:39 pm

1 stop10h 24m

$329

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 4/30

1:50 pm-6:50 pm

Nonstop3h 00m

Houston Hobby

Tue 5/5

9:00 pm-10:25 pm

Nonstop3h 25m

$333

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 4/30

1:50 pm-6:50 pm

Nonstop3h 00m

Houston Hobby

Sat 5/9

1:35 pm-5:50 pm

1 stop6h 15m

$343

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 3/2

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Thu 3/5

8:55 pm-10:30 pm

Nonstop3h 35m

$345

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 1/17

7:16 am-6:06 pm

1 stop8h 50m

Houston Hobby

Sat 1/24

6:00 am-10:08 am

1 stop6h 08m

$346

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 4/30

5:30 am-1:55 pm

2 stops6h 25m

Houston Hobby

Tue 5/5

9:00 pm-10:25 pm

Nonstop3h 25m

$348

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 3/5

11:59 pm-9:44 am

1 stop7h 45m

Houston Hobby

Mon 3/9

8:20 pm-11:59 pm

1 stop5h 39m

$353

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 2/16

2:15 pm-7:15 pm

Nonstop3h 00m

Houston Hobby

Wed 2/18

3:35 pm-5:10 pm

Nonstop3h 35m

$355

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 2/14

9:00 am-6:15 pm

2 stops7h 15m

Houston Hobby

Tue 2/17

9:25 am-3:10 pm

1 stop7h 45m

$358

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sun 1/18

7:16 am-10:46 pm

1 stop13h 30m

Houston Hobby

Mon 1/26

12:47 pm-5:22 pm

1 stop6h 35m

$359

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 cheapest month to fly to Houston Hobby Airport?

In general, March 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 $203. The month of April is another great option to travel to Houston Hobby Airport, with average flight prices from Ontario averaging around $203.

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 $342. 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 $443.

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 $221. 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 $405. 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 $245 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 $185 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 14% 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 December 2025, prices for Ontario to Houston Hobby Airport flights are approximately 13% more expensive 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

$217

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 $217. The best round-trip flight deal from Ontario to Houston Hobby Airport found on momondo in the last 72 hours is $391.
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

  • 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 $74Free CancellationRating
5.8
3,074 reviews
Search Frontier flights
United AirlinesPriceFrom $169Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
SouthwestPriceFrom $191Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,050 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 8 Southwest flights for this route in a normal week, average airfare is usually $388 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
Kemah
Sugar Land
Pasadena
Baytown
Texas City
Rosenberg
Webster
Pearland
Freeport
League City
Lake Jackson
Stafford
Missouri City
Seabrook
La Marque
West University Place
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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