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$51+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ONT
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$102
(Cheapflightsfares)

One-way from

$51
(CheapOair)

Popular in

November

Cheapest in

February

Average price

$184

Good round-trip deal

$135 or less

Good one-way deal

$95 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. 13% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
jue. 10/236:35 amDFW - ONT
Nonstop3h 14mFrontier
sáb. 10/258:34 amONT - DFW
Nonstop3h 07mFrontier
Deal found 9/15$102
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
jue. 10/305:30 amDFW - ONT
Nonstop3h 12mFrontier
lun. 11/38:24 amONT - DFW
Nonstop3h 07mFrontier
Deal found 9/15$103
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/510:45 pmDFW - ONT
1 stop10h 32mFrontier
lun. 10/612:13 pmONT - DFW
Nonstop3h 14mFrontier
Deal found 9/16$111
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
jue. 10/305:30 amDFW - ONT
Nonstop3h 12mFrontier
dom. 11/24:17 pmONT - DFW
Nonstop3h 15mFrontier
Deal found 9/15$113
This Frontier deal was found by Cheapflights users on 9/15. 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.
sáb. 10/186:35 amDFW - ONT
Nonstop3h 14mFrontier
dom. 11/24:17 pmONT - DFW
Nonstop3h 15mFrontier
Deal found 9/15$114
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
vie. 10/172:59 pmIAH - ONT
Nonstop3h 29mFrontier
lun. 10/2012:32 pmONT - IAH
Nonstop3h 16mFrontier
Deal found 9/15$118
This CheapOair deal was found by Cheapflights users on 9/17. 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.
lun. 10/610:10 amDFW - ONT
Nonstop3h 18mFrontier
sáb. 10/118:34 amONT - DFW
Nonstop3h 07mFrontier
Deal found 9/17$119
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/75:23 pmIAH - ONT
Nonstop3h 26mFrontier
dom. 11/161:46 pmONT - IAH
Nonstop3h 25mFrontier
Deal found 9/16$119
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/75:23 pmIAH - ONT
Nonstop3h 26mFrontier
dom. 11/91:46 pmONT - IAH
Nonstop3h 25mFrontier
Deal found 9/16$120
This Frontier deal was found by Cheapflights users on 9/15. 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.
mié. 11/122:00 pmDFW - ONT
1 stop8h 42mFrontier
jue. 11/1311:59 amONT - DFW
Nonstop3h 06mFrontier
Deal found 9/15$121
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
dom. 10/266:35 amDFW - ONT
Nonstop3h 14mFrontier
dom. 11/24:17 pmONT - DFW
Nonstop3h 15mFrontier
Deal found 9/15$123
This Frontier deal was found by Cheapflights users on 9/15. 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.
vie. 11/146:15 amDFW - ONT
Nonstop3h 14mFrontier
dom. 11/167:22 amONT - DFW
Nonstop3h 14mFrontier
Deal found 9/15$124

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 septiembre 17, 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

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

dom. 10/19

4:24 pm-5:49 pm

Nonstop3h 25m

Ontario

dom. 11/2

5:53 am-10:39 pm

1 stop14h 46m

$139

San AntonioOntario

SAT - ONT

SATONT

San Antonio

vie. 11/7

8:25 pm-11:10 am

1 stop16h 45m

Ontario

dom. 11/9

6:45 am-7:30 pm

1 stop10h 45m

$143

San AntonioOntario

SAT - ONT

SATONT

San Antonio

dom. 11/9

2:04 pm-7:17 am

1 stop19h 13m

Ontario

vie. 11/14

6:53 am-7:30 pm

1 stop10h 37m

$143

San AntonioOntario

SAT - ONT

SATONT

San Antonio

jue. 10/16

8:26 pm-9:35 am

1 stop15h 09m

Ontario

mar. 10/21

7:04 am-3:14 pm

1 stop6h 10m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

jue. 10/16

1:37 pm-11:50 pm

1 stop11h 13m

Ontario

jue. 10/23

6:53 am-12:52 pm

1 stop4h 59m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

sáb. 11/8

3:25 pm-11:50 pm

1 stop9h 25m

Ontario

mar. 11/11

6:53 am-2:35 pm

1 stop6h 42m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

vie. 9/26

1:33 pm-7:54 pm

1 stop7h 21m

Ontario

dom. 9/28

6:00 am-11:27 am

1 stop4h 27m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

jue. 10/16

1:37 pm-11:50 pm

1 stop11h 13m

Ontario

sáb. 10/18

7:04 am-1:50 pm

1 stop5h 46m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

vie. 10/17

1:37 pm-11:50 pm

1 stop11h 13m

Ontario

lun. 10/20

6:53 am-12:52 pm

1 stop4h 59m

$144

El PasoOntario

ELP - ONT

ELPONT

El Paso

vie. 10/31

2:45 pm-11:50 pm

1 stop10h 05m

Ontario

dom. 11/2

5:53 am-12:02 pm

1 stop5h 09m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $327). 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 septiembre 17, 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 septiembre 17, 2025.

The most flights from USTX to ONT are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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.

  • How long is the flight from Texas to Ontario?

    Departing from Texas to Ontario will take you 3h 15m. Texas and Ontario are separated by a distance of 1196 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 Texas to Ontario one-way?

    The cheapest airlines for a one-way flight from Texas to Ontario are Southwest ($80), United Airlines ($81), and Hawaiian Airlines ($108).

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

    While some choose either Houston Hobby - Ontario or Houston George Bush Intcntl - Ontario, Dallas/Fort Worth - 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 (68%), American Airlines (57%), British Airways( 54%).

  • What are the cheapest flights from Texas to Ontario?

    The cheapest flight price from Texas to Ontario is $50. On average you can expect to pay $159. The most popular route, (Dallas/Fort Worth - Ontario), can usually be booked for $104.

  • 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 $327). 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$202FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$173FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$139Average$361FlexibilityNo cancel feeOn-time63%
DeltaCheapest$157Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$175Average$390FlexibilityNo cancel feeOn-time71%

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