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Ontario

$74+ Cheap flights from Texas to Ontario (ONT)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ONT
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Texas to Ontario

Keep the following information in mind while searching for Texas to Ontario flight deals. Data was last updated June 16, 2025.

Round-trip from

$146
(Cheapflightsfares)

One-way from

$74
(Priceline)

Popular in

November

Cheapest in

February

Average price

$217

Good round-trip deal

$134 or less

Good one-way deal

$98 or less
From Texas to Ontario
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One-way flight from Texas to Ontario
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Highest demand for flights based on searches. 14% potential increase in price ($35 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 Texas to Ontario.
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Price to beat on a one-way flight from Texas to Ontario.
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Find flight deals from Texas to Ontario

Cheapest flights from Texas to Ontario
Explore the most affordable flight options available from Texas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:00 amDFW - ONT
Nonstop3h 09mFrontier
Tue 7/2210:06 amONT - DFW
Nonstop3h 13mFrontier
Deal found 6/15$146
This KAYAK deal was found by Cheapflights users on 6/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:08 pmIAH - ONT
Nonstop3h 24mFrontier
Sat 9/203:54 pmONT - IAH
Nonstop3h 24mFrontier
Deal found 6/15$156
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:46 pmELP - ONT
1 stop6h 54mAmerican Airlines
Wed 10/151:26 pmONT - ELP
1 stop9h 32mAmerican Airlines
Deal found 6/15$171
This Southwest deal was found by Cheapflights users on 6/16. 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 8/162:35 pmDAL - ONT
Nonstop3h 05mSouthwest
Tue 8/1910:20 amONT - DAL
Nonstop2h 55mSouthwest
Deal found 6/16$175
This Frontier deal was found by Cheapflights users on 6/15. 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.
Mon 6/2311:58 amELP - ONT
1 stop9h 53mFrontier
Tue 6/2412:59 amONT - ELP
1 stop10h 24mFrontier
Deal found 6/15$190
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 6/286:59 pmSAT - ONT
1 stop6h 51mFrontier
Thu 7/36:00 amONT - SAT
1 stop5h 03mFrontier
Deal found 6/16$197
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:15 pmELP - ONT
1 stop3h 40mSouthwest
Wed 9/246:20 amONT - ELP
1 stop4h 00mSouthwest
Deal found 6/13$197
This Priceline deal was found by Cheapflights users on 6/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:53 pmAUS - ONT
1 stop8h 58mFrontier
Thu 6/266:00 amONT - AUS
1 stop4h 58mFrontier
Deal found 6/15$200
This Hawaiian Airlines deal was found by Cheapflights users on 6/14. 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 8/64:46 pmDFW - ONT
1 stop9h 13mHawaiian Airlines
Sat 8/96:10 pmONT - DFW
1 stop8h 30mHawaiian Airlines
Deal found 6/14$202
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/64:46 pmDFW - ONT
1 stop9h 13mAlaska Airlines
Sat 8/96:10 pmONT - DFW
1 stop8h 30mAlaska Airlines
Deal found 6/15$203
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 8/187:50 amHOU - ONT
Nonstop3h 15mSouthwest
Thu 8/216:20 amONT - HOU
Nonstop3h 10mSouthwest
Deal found 6/15$204
This American Airlines deal was found by Cheapflights users on 6/14. 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 9/187:50 amIAH - ONT
1 stop6h 06mAmerican Airlines
Sat 9/2010:20 amONT - IAH
1 stop7h 51mAmerican Airlines
Deal found 6/14$211

Cheapflights Fare Finder

Customize your flight search to find flights from Texas to Ontario 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 16, 2025.
Use the filters below to find and compare flights from Texas to Ontario that are best for you.

Fly from

Texas

Fly to

Ontario

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 7/15

8:00 am-9:09 am

Nonstop3h 09m

Ontario

Tue 7/22

10:06 am-3:19 pm

Nonstop3h 13m

$146

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Sat 9/13

10:08 pm-11:32 pm

Nonstop3h 24m

Ontario

Sat 9/20

3:54 pm-9:18 pm

Nonstop3h 24m

$156

El PasoOntario

ELP - ONT

ELPONT

El Paso

Wed 10/8

3:46 pm-9:40 pm

1 stop6h 54m

Ontario

Wed 10/15

1:26 pm-11:58 pm

1 stop9h 32m

$171

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Sat 8/16

2:35 pm-3:40 pm

Nonstop3h 05m

Ontario

Tue 8/19

10:20 am-3:15 pm

Nonstop2h 55m

$175

El PasoOntario

ELP - ONT

ELPONT

El Paso

Mon 9/22

5:15 pm-7:55 pm

1 stop3h 40m

Ontario

Wed 9/24

6:20 am-11:20 am

1 stop4h 00m

$197

San AntonioOntario

SAT - ONT

SATONT

San Antonio

Sat 6/28

6:59 pm-11:50 pm

1 stop6h 51m

Ontario

Thu 7/3

6:00 am-1:03 pm

1 stop5h 03m

$197

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

Thu 6/26

1:53 pm-8:51 pm

1 stop8h 58m

Ontario

Thu 7/3

6:00 am-12:58 pm

1 stop4h 58m

$200

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 7/10

1:08 pm-11:50 pm

1 stop11h 42m

Ontario

Sun 7/13

12:59 am-12:21 pm

1 stop10h 22m

$200

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 8/6

4:46 pm-11:59 pm

1 stop9h 13m

Ontario

Sat 8/9

6:10 pm-4:40 am

1 stop8h 30m

$202

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 8/6

4:46 pm-11:59 pm

1 stop9h 13m

Ontario

Sat 8/9

6:10 pm-4:40 am

1 stop8h 30m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from Texas 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 Texas to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Texas to Ontario (average of $246). Flying from Texas to Ontario in March is currently the most expensive (average of $328). 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 TX to ONT?

Find hourly flight availability from Texas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

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

Weekly flight availability from Texas to Ontario

Explore weekly flight availability from Texas to Ontario. 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 16, 2025.

The most flights from USTX to ONT are scheduled on a Monday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Texas to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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
7.8
Good
2,501 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

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 Texas to Ontario. 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 into for flights to Ontario from Texas?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Texas. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    The cheapest airlines for a one-way flight from Texas to Ontario are Frontier ($74), Southwest ($88), and American Airlines ($90).

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

    While some choose either Houston George Bush Intcntl - Ontario or Dallas/Fort Worth - Ontario, Houston Hobby - Ontario is the most popular route from Texas to Ontario.

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

    Before booking your flight to Ontario from Texas, check out the most reliable airlines to get you to your destination on time: Frontier (75%), Qatar Airways (61%), American Airlines( 55%).

  • What are the cheapest flights from Texas to Ontario?

    The cheapest flight price from Texas to Ontario is $55. On average you can expect to pay $183. The most popular route, (Houston Hobby - Ontario), can usually be booked for $166.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Texas to Ontario 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 Texas to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Texas to Ontario (average of $246). Flying from Texas to Ontario in March is currently the most expensive (average of $328). 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 Texas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Texas to Ontario

Discover the top 6 airlines that operate flights from Texas to Ontario. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$164FlexibilityNo cancel feeOn-time65%
FrontierCheapest$58Average$201FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$345FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$414FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$369FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$372FlexibilityNo cancel feeOn-time63%

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