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Cheap flights from Ontario to Texas from $51

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 Texas departing on 1/28. 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 Texas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:18 am - 8:56 pm
ONT
-
IAH
8h 38m1 stop
Frontier Logo
10:51 am - 12:43 pm
IAH
-
ONT
3h 52mnonstop
$123Frontier
Fri, Jan 30 - Mon, Feb 2
Frontier Logo
1:46 pm - 7:07 pm
ONT
-
IAH
3h 21mnonstop
Frontier Logo
10:30 am - 3:07 pm
IAH
-
ONT
6h 37m1 stop
$124Frontier
Mon, Jan 26 - Wed, Jan 28
Delta Logo
11:15 am - 10:33 pm
ONT
-
DAL
9h 18m1 stop
Delta Logo
2:17 pm - 9:05 pm
DAL
-
ONT
8h 48m1 stop
$217Delta
Thu, Dec 25 - Tue, Jan 13
Delta Logo
11:15 am - 10:33 pm
ONT
-
DAL
9h 18m1 stop
Delta Logo
6:00 am - 11:31 am
DAL
-
ONT
7h 31m1 stop
$218Delta
Thu, Dec 25 - Wed, Jan 7
Southwest Logo
11:00 am - 3:45 pm
ONT
-
DAL
2h 45mnonstop
Southwest Logo
6:45 am - 10:20 am
DAL
-
ONT
5h 35m1 stop
$224Southwest
Wed, Jan 14 - Tue, Jan 20
Southwest Logo
12:35 pm - 9:15 pm
ONT
-
DAL
6h 40m1 stop
Southwest Logo
5:20 pm - 6:40 pm
DAL
-
ONT
3h 20mnonstop
$229Southwest
Thu, Jan 1 - Tue, Jan 13
United Airlines Logo
5:05 am - 8:02 pm
ONT
-
MFE
12h 57m2 stops
United Airlines Logo
5:25 pm - 9:58 pm
MFE
-
ONT
6h 33m1 stop
$293United Airlines
Wed, Jan 28 - Sat, Jan 31
American Airlines Logo
10:58 am - 6:17 pm
ONT
-
MFE
5h 19m1 stop
American Airlines Logo
6:04 am - 10:08 am
MFE
-
ONT
6h 04m1 stop
$295American Airlines
Wed, Jan 28 - Sat, Jan 31
American Airlines Logo
11:59 pm - 10:13 am
ONT
-
BRO
8h 14m1 stop
American Airlines Logo
7:57 pm - 11:58 pm
BRO
-
ONT
6h 01m1 stop
$309American Airlines
Fri, Feb 13 - Thu, Feb 19
United Airlines Logo
1:45 pm - 10:09 pm
ONT
-
LBB
6h 24m1 stop
United Airlines Logo
5:20 pm - 8:50 pm
LBB
-
ONT
5h 30m1 stop
$329United Airlines
Wed, Feb 25 - Mon, Mar 2

Frontier flights from Ontario to Texas

Our best Frontier deals on Ontario to Texas flight tickets
Frontier
Jan 12
ONT3:46 pmOntario
3h 22m
IAH9:08 pmHouston George Bush Intcntl
Jan 19
IAH12:30 pmHouston George Bush Intcntl
3h 53m
ONT2:23 pmOntario
$118
Find similar
Frontier
Jan 30
ONT10:18 amOntario
8h 38m
1 stop
IAH8:56 pmHouston George Bush Intcntl
Feb 2
IAH10:51 amHouston George Bush Intcntl
3h 52m
ONT12:43 pmOntario
$123
Find similar
Frontier
Jan 29
ONT6:20 amOntario
6h 01m
1 stop
AUS2:21 pmAustin Bergstrom
Feb 2
AUS8:22 pmAustin Bergstrom
5h 58m
1 stop
ONT12:20 amOntario
$128
Find similar

American Airlines flights from Ontario to Texas

Our best American Airlines deals on Ontario to Texas flight tickets
American Airlines
Jan 17
ONT3:09 pmOntario
3h 02m
DFW8:11 pmDallas/Fort Worth
Jan 18
DFW8:47 amDallas/Fort Worth
3h 21m
ONT10:08 amOntario
$179
Find similar
American Airlines
Jan 28
ONT10:58 amOntario
5h 19m
1 stop
MFE6:17 pmMcAllen Miller Intl
Jan 31
MFE6:04 amMcAllen Miller Intl
6h 04m
1 stop
ONT10:08 amOntario
$295
Find similar
American Airlines
Feb 13
ONT11:59 pmOntario
8h 14m
1 stop
BRO10:13 amBrownsville South Padre Is. Intl
Feb 19
BRO7:57 pmBrownsville South Padre Is. Intl
6h 01m
1 stop
ONT11:58 pmOntario
$309
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Texas 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 11, 2025.
Use the filters below to find and compare flights from Ontario to Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Fri 1/30

10:18 am-8:56 pm

1 stop8h 38m

Houston George Bush Intcntl

Mon 2/2

10:51 am-12:43 pm

Nonstop3h 52m

$123

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Mon 1/26

1:46 pm-7:07 pm

Nonstop3h 21m

Houston George Bush Intcntl

Wed 1/28

10:30 am-3:07 pm

1 stop6h 37m

$124

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Thu 12/25

11:15 am-10:33 pm

1 stop9h 18m

Dallas Love Field

Tue 1/13

2:17 pm-9:05 pm

1 stop8h 48m

$217

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Thu 12/25

11:15 am-10:33 pm

1 stop9h 18m

Dallas Love Field

Wed 1/7

6:00 am-11:31 am

1 stop7h 31m

$218

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 1/14

11:00 am-3:45 pm

Nonstop2h 45m

Dallas Love Field

Tue 1/20

6:45 am-10:20 am

1 stop5h 35m

$224

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Thu 1/1

12:35 pm-9:15 pm

1 stop6h 40m

Dallas Love Field

Tue 1/13

5:20 pm-6:40 pm

Nonstop3h 20m

$229

OntarioMcAllen

ONT - MFE

ONTMFE

Ontario

Wed 1/28

5:05 am-8:02 pm

2 stops12h 57m

McAllen Miller Intl

Sat 1/31

5:25 pm-9:58 pm

1 stop6h 33m

$293

OntarioMcAllen

ONT - MFE

ONTMFE

Ontario

Wed 1/28

10:58 am-6:17 pm

1 stop5h 19m

McAllen Miller Intl

Sat 1/31

6:04 am-10:08 am

1 stop6h 04m

$295

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Fri 2/13

11:59 pm-10:13 am

1 stop8h 14m

Brownsville South Padre Is. Intl

Thu 2/19

7:57 pm-11:58 pm

1 stop6h 01m

$309

OntarioLubbock

ONT - LBB

ONTLBB

Ontario

Wed 2/25

1:45 pm-10:09 pm

1 stop6h 24m

Lubbock

Mon 3/2

5:20 pm-8:50 pm

1 stop5h 30m

$329

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 Texas from

How to get the cheapest flight ticket from Ontario to Texas

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 Texas?

The cheapest month to fly to Texas from Ontario is in April. Flight prices, which tend to average around $178, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in April, then you should wait until March to fly from Ontario, when ticket prices are also cheap, with an average price of $201.

What is the cheapest day to depart on your flight to Texas?

According to our data, Thursday is the cheapest day to fly to Texas from Ontario. The lowest ticket price found for a Thursday departure recently was $354. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 Texas on Sunday is $483.

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

The cheapest time of day to fly to Texas is in the afternoon when flights can be purchased for as low as $247. Flights to Texas are more costly in the morning, with an average ticket price of $427. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to Texas flight route?

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

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

You are more likely to see cheaper flights to Texas from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Texas for around $236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Texas from Ontario for as low as $189 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to Texas 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 Texas flights?

No. A direct flight is the cheapest option for a flight between Ontario to Texas.

Cheap Ontario to Texas flight deals and tips

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

Best Price Found

$143

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Texas

162 airports
The best one-way flight to Texas from Ontario in the past 72 hours is $143. The best round-trip flight deal from Ontario to Texas found on momondo in the last 72 hours is $258.
The fastest flight from Ontario to Texas takes 2h 40m
Direct flights go from Ontario to Texas every day.
There are 162 airports in Texas. From Ontario there are direct flights to Dallas/Fort Worth (DFW), Dallas Love Field (DAL), Austin Bergstrom (AUS).
Search flight deals

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

    Prices for flights from Ontario Airport to Texas were last updated today.

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

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

    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 Texas.

  • What documentation or ID do you need to fly to Texas?

    The required travel and health documents for your Texas trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Texas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ontario to Texas?

Best airlines flying from Ontario to Texas

Compare and see reviews for airlines that fly from Ontario to Texas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $74Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
DeltaPriceFrom $120Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $161Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $169Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $225Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines flights

Why use momondo?

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

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 Texas from Ontario.

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

Yes. All flights to Texas from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Texas.

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

Yes momondo offers price alerts on flights to Texas from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Texas trip

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