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$67+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Jun 14 — Jun 211
Sat 6/14
Sat 6/21
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 June 9, 2025.

Round-trip from

$131
(Cheapflightsfares)

One-way from

$67
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$238

Good round-trip deal

$225 or less

Good one-way deal

$127 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 ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 9, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Thu 8/2812:59 amONT - DFW
1 stop6h 21mFrontier
Mon 9/15:10 amDFW - ONT
1 stop5h 35mFrontier
Deal found 6/7$131
This Frontier deal was found by Cheapflights users on 6/7. 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.
Wed 9/1712:59 amONT - IAH
1 stop8h 10mFrontier
Sun 9/216:00 amIAH - ONT
1 stop5h 51mFrontier
Deal found 6/7$144
This Frontier deal was found by Cheapflights users on 6/8. 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.
Tue 10/1412:59 amONT - ELP
1 stop11h 51mFrontier
Wed 10/222:39 pmELP - ONT
1 stop10h 11mFrontier
Deal found 6/8$176
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 8/96:45 amONT - DAL
Nonstop3h 00mSouthwest
Wed 8/135:45 pmDAL - ONT
Nonstop3h 05mSouthwest
Deal found 6/8$179
This Frontier deal was found by Cheapflights users on 6/8. 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.
Fri 10/1012:59 amONT - SAT
1 stop12h 15mFrontier
Sat 10/184:12 pmSAT - ONT
1 stop9h 38mFrontier
Deal found 6/8$194
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 10/93:00 pmONT - AUS
1 stop6h 55mSouthwest
Tue 10/147:40 amAUS - ONT
1 stop6h 40mSouthwest
Deal found 6/6$195
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/126:58 pmONT - AUS
1 stop9h 09mAlaska Airlines
Wed 8/139:45 amAUS - ONT
1 stop10h 19mAlaska Airlines
Deal found 6/6$201
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 6/147:00 amONT - AUS
1 stop5h 15mFrontier
Mon 6/161:53 pmAUS - ONT
1 stop8h 58mFrontier
Deal found 6/7$203
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/911:59 pmONT - DFW
Nonstop3h 03mAmerican Airlines
Tue 7/1510:55 pmDFW - ONT
Nonstop2h 59mAmerican Airlines
Deal found 6/7$207
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 8/2312:22 pmONT - IAH
2 stops7h 53mAmerican Airlines
Sun 8/247:44 pmIAH - ONT
1 stop6h 24mAmerican Airlines
Deal found 6/7$208
This Southwest deal was found by Cheapflights users on 6/7. 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.
Thu 9/116:20 amONT - HOU
Nonstop3h 10mSouthwest
Sun 9/141:55 pmHOU - ONT
Nonstop3h 15mSouthwest
Deal found 6/7$217
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/3112:59 amONT - HOU
1 stop5h 28mAmerican Airlines
Sat 8/98:51 amHOU - ONT
1 stop5h 01mAmerican Airlines
Deal found 6/6$230

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 June 9, 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

Thu 8/28

12:59 am-9:20 am

1 stop6h 21m

Dallas/Fort Worth

Mon 9/1

5:10 am-8:45 am

1 stop5h 35m

$131

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 9/17

12:59 am-11:09 am

1 stop8h 10m

Houston George Bush Intcntl

Sun 9/21

6:00 am-9:51 am

1 stop5h 51m

$144

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Tue 10/14

12:59 am-1:50 pm

1 stop11h 51m

El Paso

Wed 10/22

2:39 pm-11:50 pm

1 stop10h 11m

$176

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Sat 8/9

6:45 am-11:45 am

Nonstop3h 00m

Dallas Love Field

Wed 8/13

5:45 pm-6:50 pm

Nonstop3h 05m

$179

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Fri 10/10

12:59 am-3:14 pm

1 stop12h 15m

San Antonio

Sat 10/18

4:12 pm-11:50 pm

1 stop9h 38m

$194

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Thu 10/9

3:00 pm-11:55 pm

1 stop6h 55m

Austin Bergstrom

Tue 10/14

7:40 am-12:20 pm

1 stop6h 40m

$195

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Tue 8/12

6:58 pm-6:07 am

1 stop9h 09m

Austin Bergstrom

Wed 8/13

9:45 am-6:04 pm

1 stop10h 19m

$201

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Sat 8/23

6:10 am-1:47 pm

1 stop5h 37m

Houston George Bush Intcntl

Sun 8/24

6:08 am-9:59 am

1 stop5h 51m

$203

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Fri 9/19

12:59 am-11:09 am

1 stop8h 10m

Houston George Bush Intcntl

Mon 10/13

6:00 am-12:37 pm

1 stop8h 37m

$205

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Sun 9/21

10:02 pm-10:02 am

1 stop10h 00m

Austin Bergstrom

Sun 9/28

6:00 am-9:51 am

1 stop5h 51m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

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 June 9, 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 June 9, 2025.

The most flights from ONT to USTX are scheduled on a Monday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (18 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 June 9, 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

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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
4,288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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
7,949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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
2,490 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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
8,782 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.1

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 American Airlines. Other airlines that offer cheap prices include Frontier from $71 and Southwest from $81 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: Iberia (78%), American Airlines (77%), British Airways( 77%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $142 on average our data indicates $1,155 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 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 June 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$166FlexibilityNo cancel feeOn-time65%
FrontierCheapest$76Average$193FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$419FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$174Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$400FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$203Average$410FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$225Average$258FlexibilityNo cancel feeOn-time75%

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