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Cheap flights from Ontario to Houston from $85

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 10/21. 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

Southwest Logo
4:15 pm - 11:50 pmONT-HOU
5h 35m1 stop
Southwest Logo
5:10 am - 9:10 amHOU-ONT
6h 00m1 stop
$231Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
10:00 pm - 9:18 amONT-HOU
9h 18m1 stop
Delta Logo
2:22 pm - 10:22 pmHOU-ONT
10h 00m1 stop
$244Delta
Find Deal
Fri, Oct 10 - Wed, Oct 15
Delta Logo
11:55 am - 10:37 pmONT-HOU
8h 42m1 stop
Delta Logo
2:22 pm - 10:22 pmHOU-ONT
10h 00m1 stop
$251Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Southwest Logo
2:15 pm - 12:10 amONT-HOU
7h 55m1 stop
Southwest Logo
2:30 pm - 3:50 pmHOU-ONT
3h 20mnonstop
$254Southwest
Find Deal
Fri, Oct 10 - Sun, Oct 12
Southwest Logo
1:05 pm - 6:05 pmONT-HOU
3h 00mnonstop
Southwest Logo
5:10 am - 9:10 amHOU-ONT
6h 00m1 stop
$261Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
American Airlines Logo
2:51 pm - 10:14 pmONT-HOU
5h 23m1 stop
American Airlines Logo
8:11 pm - 11:59 pmHOU-ONT
5h 48m1 stop
$271American Airlines
Find Deal
Sat, Oct 25 - Mon, Oct 27
Southwest Logo
6:45 am - 11:50 amONT-HOU
3h 05mnonstop
Southwest Logo
5:25 pm - 11:00 pmHOU-ONT
7h 35m1 stop
$278Southwest
Find Deal
Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
2:51 pm - 10:14 pmONT-HOU
5h 23m1 stop
American Airlines Logo
5:00 am - 8:57 amHOU-ONT
5h 57m1 stop
$281American Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2
Southwest Logo
12:55 pm - 5:55 pmONT-HOU
3h 00mnonstop
Southwest Logo
6:15 am - 9:10 amHOU-ONT
4h 55m1 stop
$284Southwest
Find Deal
Fri, Oct 3 - Sun, Oct 5
American Airlines Logo
2:51 pm - 10:14 pmONT-HOU
5h 23m1 stop
American Airlines Logo
5:00 am - 8:57 amHOU-ONT
5h 57m1 stop
$287American Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2

Southwest flights from Ontario to Houston Hobby Airport

Our best Southwest deals on Ontario to Houston Hobby Airport flight tickets
Southwest
Nov 14
ONT4:15 pmOntario
5h 35m
1 stop
HOU11:50 pmHouston Hobby
Nov 16
HOU5:10 amHouston Hobby
6h 00m
1 stop
ONT9:10 amOntario
$231
Find similar
Southwest
Oct 10
ONT2:15 pmOntario
7h 55m
1 stop
HOU12:10 amHouston Hobby
Oct 12
HOU2:30 pmHouston Hobby
3h 20m
ONT3:50 pmOntario
$254
Find similar
Southwest
Nov 14
ONT1:05 pmOntario
3h 00m
HOU6:05 pmHouston Hobby
Nov 16
HOU5:10 amHouston Hobby
6h 00m
1 stop
ONT9:10 amOntario
$261
Find similar

American Airlines flights from Ontario to Houston Hobby Airport

Our best American Airlines deals on Ontario to Houston Hobby Airport flight tickets
American Airlines
Oct 25
ONT2:51 pmOntario
5h 23m
1 stop
HOU10:14 pmHouston Hobby
Oct 27
HOU8:11 pmHouston Hobby
5h 48m
1 stop
ONT11:59 pmOntario
$271
Find similar
American Airlines
Oct 29
ONT2:51 pmOntario
5h 23m
1 stop
HOU10:14 pmHouston Hobby
Nov 2
HOU5:00 amHouston Hobby
5h 57m
1 stop
ONT8:57 amOntario
$281
Find similar
American Airlines
Nov 1
ONT2:51 pmOntario
5h 23m
1 stop
HOU10:14 pmHouston Hobby
Nov 2
HOU5:00 amHouston Hobby
5h 57m
1 stop
ONT8:57 amOntario
$287
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 September 15, 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

Fri 11/14

4:15 pm-11:50 pm

1 stop5h 35m

Houston Hobby

Sun 11/16

5:10 am-9:10 am

1 stop6h 00m

$231

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 10/10

10:00 pm-9:18 am

1 stop9h 18m

Houston Hobby

Wed 10/15

2:22 pm-10:22 pm

1 stop10h 00m

$244

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 10/4

11:55 am-10:37 pm

1 stop8h 42m

Houston Hobby

Tue 10/7

2:22 pm-10:22 pm

1 stop10h 00m

$251

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 10/10

2:15 pm-12:10 am

1 stop7h 55m

Houston Hobby

Sun 10/12

2:30 pm-3:50 pm

Nonstop3h 20m

$254

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 11/14

1:05 pm-6:05 pm

Nonstop3h 00m

Houston Hobby

Sun 11/16

5:10 am-9:10 am

1 stop6h 00m

$261

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 10/25

2:51 pm-10:14 pm

1 stop5h 23m

Houston Hobby

Mon 10/27

8:11 pm-11:59 pm

1 stop5h 48m

$271

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 10/25

6:45 am-11:50 am

Nonstop3h 05m

Houston Hobby

Mon 10/27

5:25 pm-11:00 pm

1 stop7h 35m

$278

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 10/29

2:51 pm-10:14 pm

1 stop5h 23m

Houston Hobby

Sun 11/2

5:00 am-8:57 am

1 stop5h 57m

$281

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 10/3

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Sun 10/5

6:15 am-9:10 am

1 stop4h 55m

$284

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 11/1

2:51 pm-10:14 pm

1 stop5h 23m

Houston Hobby

Sun 11/2

5:00 am-8:57 am

1 stop5h 57m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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 $186. The month of March is another great option to travel to Houston Hobby Airport, with average flight prices from Ontario averaging around $196.

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

Our data shows that Wednesday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $367. 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 $482.

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 $237. 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 evening because they tend to be around $434. 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 $236 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 $179 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?

No. A direct flight is the cheapest option for a flight between Ontario to Houston Hobby Airport.

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

As of September 2025, prices for Ontario to Houston Hobby Airport flights are approximately 33% 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

$189

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 $189. The best round-trip flight deal from Ontario to Houston Hobby Airport found on momondo in the last 72 hours is $263.
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 3h 00m, 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 $76Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $106Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $174Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
SouthwestPriceFrom $208Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Ontario to Houston Hobby Airport

    Southwest flight deals from Ontario to Houston Hobby Airport start from $208 round-trip. Over the 11 Southwest flights for this route in a normal week, average airfare is usually $389 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
Pearland
Webster
Stafford
Lake Jackson
Freeport
League City
Missouri City
La Marque
Seabrook
Nassau Bay
West University Place

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.

An easier way to manage your Houston Hobby Airport trip

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