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$62+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheap flight deals from Ontario to Texas

Keep the following information in mind while searching for Ontario to Texas flight deals. Data was last updated May 15, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$67
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$218

Good round-trip deal

$204 or less

Good one-way deal

$91 or less
From Ontario to Texas
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One-way flight from Ontario to Texas
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Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Ontario to Texas.
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Price to beat on a one-way flight from Ontario to Texas.
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Find 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 May 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/188:09 pmONT - DFW
Nonstop3h 15mFrontier
Tue 7/228:00 amDFW - ONT
Nonstop3h 09mFrontier
Deal found 5/13$114
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:48 pmONT - IAH
Nonstop3h 30mFrontier
Mon 6/165:12 pmIAH - ONT
Nonstop3h 24mFrontier
Deal found 5/14$123
This Frontier deal was found by Cheapflights users on 5/15. 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 6/196:00 amONT - ELP
1 stop4h 03mFrontier
Sun 6/221:08 pmELP - ONT
1 stop11h 42mFrontier
Deal found 5/15$144
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/217:00 amONT - SAT
1 stop5h 00mFrontier
Sun 6/228:12 pmSAT - ONT
1 stop5h 38mFrontier
Deal found 5/14$148
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/154:45 pmONT - ELP
1 stop3h 58mAmerican Airlines
Tue 7/2912:41 pmELP - ONT
1 stop6h 27mAmerican Airlines
Deal found 5/14$159
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:30 amONT - AUS
1 stop7h 26mAlaska Airlines
Tue 8/265:50 pmAUS - ONT
1 stop8h 03mAlaska Airlines
Deal found 5/15$216
This CheapOair deal was found by Cheapflights users on 5/15. 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 7/27:36 pmONT - AUS
1 stop15h 22mFrontier
Sat 7/57:00 amAUS - ONT
1 stop18h 50mFrontier
Deal found 5/15$217
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:59 amONT - DFW
Nonstop2h 58mAmerican Airlines
Tue 6/179:59 pmDFW - ONT
Nonstop3h 03mAmerican Airlines
Deal found 5/14$226
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2811:49 amONT - DFW
1 stop10h 28mDelta
Sat 9/68:00 amDFW - ONT
1 stop6h 23mDelta
Deal found 5/13$237
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2811:49 amONT - DAL
1 stop10h 10mDelta
Sat 9/66:00 amDAL - ONT
1 stop7h 07mDelta
Deal found 5/13$237
This Hawaiian Airlines deal was found by Cheapflights users on 5/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:39 amONT - AUS
1 stop10h 25mHawaiian Airlines
Sat 9/205:50 pmAUS - ONT
1 stop8h 03mHawaiian Airlines
Deal found 5/14$239
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:25 amONT - DAL
Nonstop2h 55mSouthwest
Sun 6/87:50 amDAL - ONT
Nonstop3h 00mSouthwest
Deal found 5/15$243

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 May 15, 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

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 7/18

8:09 pm-1:24 am

Nonstop3h 15m

Dallas/Fort Worth

Tue 7/22

8:00 am-9:09 am

Nonstop3h 09m

$114

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Fri 6/13

12:48 pm-6:18 pm

Nonstop3h 30m

Houston George Bush Intcntl

Mon 6/16

5:12 pm-6:36 pm

Nonstop3h 24m

$123

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Sun 6/15

6:00 am-11:03 am

1 stop4h 03m

El Paso

Thu 6/19

1:08 pm-11:50 pm

1 stop11h 42m

$144

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Sat 6/21

7:00 am-2:00 pm

1 stop5h 00m

San Antonio

Sun 6/22

8:12 pm-11:50 pm

1 stop5h 38m

$148

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Wed 6/4

7:20 pm-6:05 am

1 stop8h 45m

Austin Bergstrom

Wed 6/11

5:35 pm-11:57 pm

1 stop8h 22m

$216

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Wed 7/2

7:36 pm-12:58 pm

1 stop15h 22m

Austin Bergstrom

Sat 7/5

7:00 am-11:50 pm

1 stop18h 50m

$217

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 6/12

12:59 am-5:57 am

Nonstop2h 58m

Dallas/Fort Worth

Tue 6/17

9:59 pm-11:02 pm

Nonstop3h 03m

$226

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Tue 8/12

7:30 am-4:56 pm

1 stop7h 26m

Austin Bergstrom

Tue 8/12

6:00 pm-11:59 pm

1 stop7h 59m

$231

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Sat 6/28

11:49 am-12:17 am

1 stop10h 28m

Dallas/Fort Worth

Sat 9/6

8:00 am-12:23 pm

1 stop6h 23m

$237

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Sat 6/28

11:49 am-11:59 pm

1 stop10h 10m

Dallas Love Field

Sat 9/6

6:00 am-11:07 am

1 stop7h 07m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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, August is the cheapest month in which you can book a flight from Ontario to Texas (average of $216). Flying from Ontario to Texas in March is currently the most expensive (average of $295). 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 May 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Texas as you normally would.

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 May 15, 2025.

The most flights from ONT to USTX are scheduled on a Monday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Texas by month

Plan your trip to Texas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Texas ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Texas when rainfall is around 3.2 in.

Temperature in Texas by month

Plan your trip to Texas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 May 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Ontario to Texas by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,435 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $67 on Frontier. Other airlines that offer cheap prices include Southwest from $99 and American Airlines from $105 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 (83%), British Airways (82%), Iberia( 81%).

  • 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 $100 on average our data indicates $830 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, August is the cheapest month in which you can book a flight from Ontario to Texas (average of $216). Flying from Ontario to Texas in March is currently the most expensive (average of $295). 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.

See more FAQs

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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 6 airlines flying from Ontario to Texas

Discover the top 6 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$182FlexibilityNo cancel feeOn-time65%
FrontierCheapest$77Average$190FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$174Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$402FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$200Average$374FlexibilityNo cancel feeOn-time63%

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