Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Houston from $109

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 4/18. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:49 pm - 11:08 pm
ONT
-
HOU
8h 19m
1 stop
Delta Logo
6:00 am - 11:36 am
HOU
-
ONT
7h 36m
1 stop
$217Delta
Sat, Apr 18 - Sat, Apr 25
Delta Logo
12:10 pm - 11:08 pm
ONT
-
HOU
8h 58m
1 stop
Delta Logo
1:16 pm - 9:54 pm
HOU
-
ONT
10h 38m
1 stop
$227Delta
Sat, May 9 - Tue, May 12
Delta Logo
12:49 pm - 11:06 pm
ONT
-
HOU
8h 17m
1 stop
Delta Logo
6:00 am - 11:36 am
HOU
-
ONT
7h 36m
1 stop
$237Delta
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
2:18 pm - 11:59 pm
ONT
-
HOU
7h 41m
1 stop
American Airlines Logo
12:48 pm - 11:59 pm
HOU
-
ONT
13h 11m
1 stop
$280American Airlines
Wed, May 27 - Sat, May 30
Delta Logo
1:15 pm - 10:28 pm
ONT
-
HOU
7h 13m
1 stop
Delta Logo
6:00 am - 11:47 am
HOU
-
ONT
7h 47m
1 stop
$292Delta
Sat, Mar 7 - Wed, Mar 11
American Airlines Logo
11:59 pm - 9:26 am
ONT
-
HOU
7h 27m
1 stop
American Airlines Logo
6:01 am - 10:09 am
HOU
-
ONT
6h 08m
1 stop
$295American Airlines
Sat, Apr 11 - Tue, Apr 14
Delta Logo
10:15 pm - 9:51 am
ONT
-
HOU
9h 36m
1 stop
Delta Logo
6:00 am - 11:36 am
HOU
-
ONT
7h 36m
1 stop
$298Delta
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
1:20 pm - 6:15 pm
ONT
-
HOU
2h 55mnonstop
Southwest Logo
9:30 pm - 11:05 pm
HOU
-
ONT
3h 35mnonstop
$317Southwest
Tue, Mar 17 - Tue, Mar 31
Southwest Logo
12:55 pm - 5:55 pm
ONT
-
HOU
3h 00mnonstop
Southwest Logo
9:00 pm - 10:25 pm
HOU
-
ONT
3h 25mnonstop
$325Southwest
Tue, Apr 7 - Tue, Apr 28
Southwest Logo
1:20 pm - 6:15 pm
ONT
-
HOU
2h 55mnonstop
Southwest Logo
8:30 am - 1:05 pm
HOU
-
ONT
6h 35m
1 stop
$327Southwest
Tue, Mar 17 - Tue, Mar 31

Delta flights from Ontario to Houston Hobby Airport

Our best Delta deals on Ontario to Houston Hobby Airport flight tickets
Delta
Apr 18
ONT12:49 pmOntario
8h 19m
1 stop
HOU11:08 pmHouston Hobby
Apr 25
HOU6:00 amHouston Hobby
7h 36m
1 stop
ONT11:36 amOntario
$217
Delta
May 9
ONT12:10 pmOntario
8h 58m
1 stop
HOU11:08 pmHouston Hobby
May 12
HOU1:16 pmHouston Hobby
10h 38m
1 stop
ONT9:54 pmOntario
$227
Delta
Apr 18
ONT12:49 pmOntario
8h 17m
1 stop
HOU11:06 pmHouston Hobby
Apr 21
HOU6:00 amHouston Hobby
7h 36m
1 stop
ONT11:36 amOntario
$237

American Airlines flights from Ontario to Houston Hobby Airport

Our best American Airlines deals on Ontario to Houston Hobby Airport flight tickets
American Airlines
May 27
ONT2:18 pmOntario
7h 41m
1 stop
HOU11:59 pmHouston Hobby
May 30
HOU12:48 pmHouston Hobby
13h 11m
1 stop
ONT11:59 pmOntario
$280
American Airlines
Apr 11
ONT11:59 pmOntario
7h 27m
1 stop
HOU9:26 amHouston Hobby
Apr 14
HOU6:01 amHouston Hobby
6h 08m
1 stop
ONT10:09 amOntario
$295
American Airlines
Apr 7
ONT11:59 pmOntario
7h 27m
1 stop
HOU9:26 amHouston Hobby
Apr 11
HOU8:21 pmHouston Hobby
5h 25m
1 stop
ONT11:46 pmOntario
$345

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 February 16, 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

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 4/18

12:49 pm-11:08 pm

1 stop8h 19m

Houston Hobby

Sat 4/25

6:00 am-11:36 am

1 stop7h 36m

$217

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/9

12:10 pm-11:08 pm

1 stop8h 58m

Houston Hobby

Tue 5/12

1:16 pm-9:54 pm

1 stop10h 38m

$227

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 4/18

12:49 pm-11:06 pm

1 stop8h 17m

Houston Hobby

Tue 4/21

6:00 am-11:36 am

1 stop7h 36m

$237

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 5/27

2:18 pm-11:59 pm

1 stop7h 41m

Houston Hobby

Sat 5/30

12:48 pm-11:59 pm

1 stop13h 11m

$280

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 3/7

1:15 pm-10:28 pm

1 stop7h 13m

Houston Hobby

Wed 3/11

6:00 am-11:47 am

1 stop7h 47m

$292

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 4/11

11:59 pm-9:26 am

1 stop7h 27m

Houston Hobby

Tue 4/14

6:01 am-10:09 am

1 stop6h 08m

$295

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 4/14

10:15 pm-9:51 am

1 stop9h 36m

Houston Hobby

Tue 4/21

6:00 am-11:36 am

1 stop7h 36m

$298

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 3/17

1:20 pm-6:15 pm

Nonstop2h 55m

Houston Hobby

Tue 3/31

9:30 pm-11:05 pm

Nonstop3h 35m

$317

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 4/7

12:55 pm-5:55 pm

Nonstop3h 00m

Houston Hobby

Tue 4/28

9:00 pm-10:25 pm

Nonstop3h 25m

$325

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 3/17

1:20 pm-6:15 pm

Nonstop2h 55m

Houston Hobby

Tue 3/31

8:30 am-1:05 pm

1 stop6h 35m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, April 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 $204. The month of October is another great option to travel to Houston Hobby Airport, with average flight prices from Ontario averaging around $214.

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 $337. 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 $454.

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 $234. 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 $404. 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 $269 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 $180 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 58% 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 February 2026, prices for Ontario to Houston Hobby Airport flights are approximately 51% 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

$178

Fastest flight time

2h 57m

Direct flights

Every day
The best one-way flight to Houston Hobby Airport from Ontario in the past 72 hours is $178. The best round-trip flight deal from Ontario to Houston Hobby Airport found on momondo in the last 72 hours is $371.
The fastest flight from Ontario to Houston Hobby Airport takes 2h 57m
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 57m, 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 $64Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
SouthwestPriceFrom $191Free CancellationRating
8.0
4,289 reviews
Search Southwest flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,294 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 6 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
Sugar Land
Kemah
Pasadena
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.

An easier way to manage your Houston Hobby Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/18
Wed 3/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston