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$58+ Cheap flights from Ontario (ONT) to Texas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ontario to Texas

Cheapest flights from Ontario to Texas
Explore the most affordable flight options available from Ontario to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:48 amONT - DFW
Nonstop2h 59mFrontier
Thu 1/112:05 pmDFW - ONT
1 stop7h 17mFrontier
Deal found 12/11$155
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:15 amONT - DFW
1 stop12h 53mFrontier
Fri 2/610:54 pmDFW - ONT
1 stop16h 40mFrontier
Deal found 12/9$156
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amONT - ELP
1 stop13h 00mFrontier
Mon 12/298:55 pmELP - ONT
1 stop21h 27mFrontier
Deal found 12/10$163
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 amONT - DFW
1 stop24h 59mFrontier
Mon 1/510:37 pmDFW - ONT
1 stop18h 32mFrontier
Deal found 12/10$163
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amONT - ELP
1 stop13h 00mFrontier
Sun 12/289:24 pmELP - ONT
1 stop24h 53mFrontier
Deal found 12/11$164
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 amONT - DFW
1 stop24h 59mFrontier
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Deal found 12/10$165
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:16 pmONT - DFW
1 stop10h 27mFrontier
Mon 1/1212:17 pmDFW - ONT
Nonstop3h 22mFrontier
Deal found 12/9$166
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:17 pmONT - DFW
1 stop9h 26mFrontier
Thu 1/17:29 amDFW - ONT
Nonstop3h 24mFrontier
Deal found 12/10$167
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:17 pmONT - DFW
1 stop17h 07mFrontier
Sun 1/410:47 pmDFW - ONT
1 stop24h 30mFrontier
Deal found 12/10$174
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 amONT - DFW
1 stop24h 59mFrontier
Thu 1/17:29 amDFW - ONT
Nonstop3h 24mFrontier
Deal found 12/10$177
This Booking.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Deal found 12/11$179
This Frontier deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Mon 1/55:44 pmDFW - ONT
1 stop5h 33mFrontier
Deal found 12/9$181

Find flight deals from Ontario to Texas

Keep the following information in mind while searching for Ontario to Texas flight deals. Data was last updated December 12, 2025.

Round-trip from

$118
(Super.com)

One-way from

$58
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$275

Good round-trip deal

$258 or less

Good one-way deal

$143 or less
From Ontario to Texas
Search Deals
One-way flight from Ontario to Texas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Texas.
Search Deals
Price to beat on a one-way flight from Ontario to Texas.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Ontario to Texas that are best for you.

Fly from

Ontario

Fly to

Texas

Route

Depart

Return

Price

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 2/5

3:22 pm-8:34 pm

1 stop4h 12m

El Paso

Sun 2/8

11:13 am-7:32 pm

1 stop9h 19m

$128

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Thu 1/22

8:48 pm-11:43 am

1 stop12h 55m

Austin Bergstrom

Sun 1/25

9:39 pm-12:10 pm

1 stop16h 31m

$128

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Wed 1/28

7:15 am-1:35 pm

1 stop5h 20m

El Paso

Sun 2/1

12:34 pm-12:20 am

1 stop12h 46m

$129

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Thu 2/5

11:04 am-11:43 am

1 stop22h 39m

Austin Bergstrom

Tue 2/10

8:30 am-9:34 pm

1 stop15h 04m

$129

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 1/6

4:04 pm-3:11 pm

1 stop21h 07m

Dallas/Fort Worth

Fri 1/30

10:55 am-12:20 am

1 stop15h 25m

$146

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Mon 2/2

6:20 am-7:33 pm

1 stop11h 13m

San Antonio

Mon 2/9

8:24 pm-12:20 am

1 stop5h 56m

$155

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 1/29

2:06 pm-7:11 pm

Nonstop3h 05m

Dallas/Fort Worth

Sun 2/1

2:59 pm-4:26 pm

Nonstop3h 27m

$157

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Tue 12/23

6:00 am-8:00 pm

1 stop13h 00m

El Paso

Mon 12/29

8:55 pm-5:22 pm

1 stop21h 27m

$163

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 2/27

9:43 pm-5:47 am

1 stop6h 04m

Dallas/Fort Worth

Sun 3/1

1:00 pm-2:29 pm

Nonstop3h 29m

$174

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 1/6

4:04 pm-5:13 pm

1 stop23h 09m

Dallas/Fort Worth

Thu 1/8

2:42 pm-7:22 pm

1 stop6h 40m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Texas

Have a flexible travel schedule? Discover the best time to fly to Texas from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Texas

What is the cheapest month to book a flight from Ontario to Texas?

Currently, January is the cheapest month in which you can book a flight from Ontario to Texas (average of $55). Flying from Ontario to Texas in July is currently the most expensive (average of $91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to TX?

Find hourly flight availability from Ontario to Texas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Texas in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ontario to Texas?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Texas. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Ontario to Texas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Texas

Explore weekly flight availability from Ontario to Texas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from ONT to USTX are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Texas

Get insights into the airlines that provide service to Texas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Texas. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Ontario to Texas by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,084 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Texas?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Texas. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Texas?

    Airlines like Frontier, Delta, and Southwest fly from Ontario to Texas in about 4h 12m. The time it takes to get you to your destination can typically vary by up to 5h 06m. Ontario and Texas are separated by a distance of 668 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Texas one-way?

    One-way options have recently been found by users for as low as $46 on Frontier. Other airlines that offer cheap prices include Southwest from $79 and United Airlines from $88 one-way.

  • What are the most popular routes from Ontario to Texas?

    When deciding which route to take from Ontario to Texas consider Ontario - Dallas/Fort Worth, Ontario - Houston Hobby or Ontario - Houston George Bush Intcntl as they are the most popular.

  • What are the most reliable airlines from Ontario to Texas?

    Before booking your flight to Texas from Ontario, check out the most reliable airlines to get you to your destination on time: American Airlines (81%), British Airways (80%), Iberia( 79%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $72. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $84 on average, our data indicates $1,031 when flying from Ontario to Texas.

  • Can I find deals for flights from Ontario to Texas that include hotel bookings?

    Yes. In addition to deals on Ontario to Texas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Texas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Texas.

  • Can I find deals for business class flights from Ontario to Texas?

    Yes. Cheapflights offers flight deals from Ontario to Texas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Texas?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Texas (average of $55). Flying from Ontario to Texas in July is currently the most expensive (average of $91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Ontario to Texas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to Texas

Discover the top 7 airlines that operate flights from Ontario to Texas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$206FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$172FlexibilityNo cancel feeOn-time65%
DeltaCheapest$120Average$372FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$161Average$350FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$169Average$374FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$374FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$267FlexibilityNo cancel feeOn-time75%

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