What is the cheapest airline that flies from Ontario to Texas?

Frontier, Delta, and United Airlines are the most popular carriers operating from Ontario to Texas

How many flights depart from Ontario to Texas on average per day?

The number of flights available between Ontario and Texas is 18 per day as of April 2026. The most frequent departure time is 7:00AM, with 72% of daily flights leaving at noon.

How many flights depart from Ontario to Texas on average per week?

131 flights are operational weekly from Ontario to Texas as of April 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

What airlines fly to Texas?

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Texas from Ontario according to our data. Frontier is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Texas. Keep in mind that there are 9 different airlines that fly to Texas on a routine basis, so you have a few additional options to choose from.

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?

As of April 2026, there are 7 operators available to choose from 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.

$49 Cheap Flights from Ontario to Texas in 2026

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Find the cheapest flights from Ontario to Texas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:04 pm - 7:14 pm

ONT

ELP

26h 10m

1 stop

8:09 pm - 3:44 pm

ELP

ONT

20h 35m

1 stop

$140Frontier

Sat, May 16 - Mon, May 18

8:06 pm - 1:25 am

ONT

IAH

3h 19mnonstop

1:28 pm - 7:32 pm

IAH

ONT

8h 04m

1 stop

$149Frontier

Sun, May 10 - Sat, May 16

10:00 pm - 9:33 am

ONT

AUS

9h 33m

1 stop

8:17 am - 12:19 pm

AUS

ONT

6h 02m

1 stop

$235Delta

Fri, May 15 - Tue, May 19

12:40 pm - 8:10 pm

ONT

DAL

5h 30m

1 stop

7:00 pm - 10:25 pm

DAL

ONT

5h 25m

1 stop

$255Southwest

Wed, May 27 - Wed, Jun 3

11:59 pm - 10:16 am

ONT

HRL

8h 17m

1 stop

4:58 pm - 9:08 pm

HRL

ONT

6h 10m

1 stop

$257American Airlines

Wed, Sep 30 - Tue, Oct 6

1:40 pm - 9:25 pm

ONT

DAL

5h 45m

1 stop

6:00 am - 11:35 am

DAL

ONT

7h 35m

2 stops

$260Southwest

Wed, May 27 - Wed, Jun 3

10:59 pm - 9:15 am

ONT

HOU

8h 16m

1 stop

6:00 am - 11:04 am

HOU

ONT

7h 04m

1 stop

$277Delta

Wed, Sep 23 - Tue, Sep 29

6:00 am - 3:58 pm

ONT

HRL

7h 58m

1 stop

5:05 am - 12:12 pm

HRL

ONT

9h 07m

2 stops

$289United Airlines

Wed, Sep 30 - Tue, Oct 6

11:59 pm - 8:57 am

ONT

HOU

6h 58m

1 stop

8:23 pm - 11:59 pm

HOU

ONT

5h 36m

1 stop

$307American Airlines

Sat, May 23 - Sat, May 30

5:45 am - 3:34 pm

ONT

HRL

7h 49m

1 stop

5:16 pm - 9:59 pm

HRL

ONT

6h 43m

1 stop

$347United Airlines

Tue, Aug 18 - Wed, Aug 19

Frontier flights from Ontario to Texas

Our best Frontier deals on Ontario to Texas flight tickets

Frontier

May 16

ONT4:04 pmOntario

26h 10m

1 stop

ELP7:14 pmEl Paso

May 18

ELP8:09 pmEl Paso

20h 35m

1 stop

ONT3:44 pmOntario

$140

Frontier

May 10

ONT8:06 pmOntario

3h 19m

IAH1:25 amHouston George Bush Intcntl

May 16

IAH1:28 pmHouston George Bush Intcntl

8h 04m

1 stop

ONT7:32 pmOntario

$149

Frontier

May 14

ONT4:04 pmOntario

18h 29m

1 stop

IAH12:33 pmHouston George Bush Intcntl

May 19

IAH6:00 amHouston George Bush Intcntl

3h 35m

ONT7:35 amOntario

$150

American Airlines flights from Ontario to Texas

Our best American Airlines deals on Ontario to Texas flight tickets

American Airlines

Sep 30

ONT11:59 pmOntario

8h 17m

1 stop

HRL10:16 amHarlingen Valley Intl

Oct 6

HRL4:58 pmHarlingen Valley Intl

6h 10m

1 stop

ONT9:08 pmOntario

$257

American Airlines

May 22

ONT11:59 pmOntario

6h 54m

1 stop

AUS8:53 amAustin Bergstrom

May 29

AUS7:56 pmAustin Bergstrom

6h 03m

1 stop

ONT11:59 pmOntario

$265

American Airlines

May 23

ONT11:59 pmOntario

6h 58m

1 stop

HOU8:57 amHouston Hobby

May 30

HOU8:23 pmHouston Hobby

5h 36m

1 stop

ONT11:59 pmOntario

$307

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Sat 5/16

4:04 pm-7:14 pm

1 stop26h 10m

El Paso

Mon 5/18

8:09 pm-3:44 pm

1 stop20h 35m

$140

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Sun 5/10

8:06 pm-1:25 am

Nonstop3h 19m

Houston George Bush Intcntl

Sat 5/16

1:28 pm-7:32 pm

1 stop8h 04m

$149

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Fri 5/15

10:00 pm-9:33 am

1 stop9h 33m

Austin Bergstrom

Tue 5/19

8:17 am-12:19 pm

1 stop6h 02m

$235

Quickest round-trip

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 5/27

12:40 pm-8:10 pm

1 stop5h 30m

Dallas Love Field

Wed 6/3

7:00 pm-10:25 pm

1 stop5h 25m

$255

OntarioHarlingen

ONT - HRL

ONTHRL

Ontario

Wed 9/30

11:59 pm-10:16 am

1 stop8h 17m

Harlingen Valley Intl

Tue 10/6

4:58 pm-9:08 pm

1 stop6h 10m

$257

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 5/27

1:40 pm-9:25 pm

1 stop5h 45m

Dallas Love Field

Wed 6/3

6:00 am-11:35 am

2 stops7h 35m

$260

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 9/23

10:59 pm-9:15 am

1 stop8h 16m

Houston Hobby

Tue 9/29

6:00 am-11:04 am

1 stop7h 04m

$277

OntarioHarlingen

ONT - HRL

ONTHRL

Ontario

Wed 9/30

6:00 am-3:58 pm

1 stop7h 58m

Harlingen Valley Intl

Tue 10/6

5:05 am-12:12 pm

2 stops9h 07m

$289

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 5/23

11:59 pm-8:57 am

1 stop6h 58m

Houston Hobby

Sat 5/30

8:23 pm-11:59 pm

1 stop5h 36m

$307

OntarioHarlingen

ONT - HRL

ONTHRL

Ontario

Tue 8/18

5:45 am-3:34 pm

1 stop7h 49m

Harlingen Valley Intl

Wed 8/19

5:16 pm-9:59 pm

1 stop6h 43m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Texas?

The cheapest month to fly to Texas from Ontario is in May. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in May, then you should wait until April to fly from Ontario, when ticket prices are also cheap, with an average price of $297.

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 $349. 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 $471.

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 $268. Flights to Texas are more costly in the morning, with an average ticket price of $414. 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 from Ontario 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 $264 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 $184 on momondo.

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	$124
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 $124. The best round-trip flight deal from Ontario to Texas found on momondo in the last 72 hours is $234.

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 Love Field (DAL), Austin Bergstrom (AUS).

Search flight deals

Frequently asked questions about flying from Ontario to Texas

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?
As of April 2026, there are 7 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Ontario to Texas is Airbus A321-100/200, representing 19.61% of all bookings. The subsequent popular models are Airbus A321neo at 15.52%, Boeing 737 MAX 8 at 12.06%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.91%.

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
Spirit Airlines	PriceFrom $65	Free Cancellation	Rating 6.3 8,633 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $67	Free Cancellation	Rating 5.6 2,970 reviews	Search Frontier flights
Delta	PriceFrom $120	Free Cancellation	Rating 7.9 8,467 reviews	Search Delta flights
Southwest	PriceFrom $159	Free Cancellation	Rating 8.0 4,316 reviews	Search Southwest flights
United Airlines	PriceFrom $168	Free Cancellation	Rating 7.4 9,678 reviews	Search United Airlines flights
American Airlines	PriceFrom $183	Free Cancellation	Rating 7.1 11,678 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 7.9 12,313 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.

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Flights to New Yorkfrom $61

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Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $55

Flights to Bostonfrom $86

Flights to Atlantafrom $48

Flights to Dallasfrom $70

Flights to Fort Lauderdalefrom $42

Cheap flights from Ontario to Texas from $49

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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Ontario to Texas

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Our best American Airlines deals on Ontario to Texas flight tickets

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See travel insights to Texas from

How to get the cheapest flight ticket from Ontario to Texas

What is the cheapest month to fly to Texas?

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

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

What is the cheapest Ontario to Texas flight route?

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

Can stopping save me money on Ontario to Texas flights?

What is the cheapest airline that flies from Ontario to Texas?

What airlines fly to Texas?

How many flights depart from Ontario to Texas on average per day?

How many flights depart from Ontario to Texas on average per week?

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

Fastest flight time

Direct flights

Airports in Texas

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Texas 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Texas

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