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$72+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$124
(Frontier)

One-way from

$72
(Frontier)

Popular in

December

Cheapest in

January

Average price

$238

Good round-trip deal

$205 or less

Good one-way deal

$114 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. 6% potential increase in price ($15 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 July 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 julio 30, 2025.

This Frontier deal was found by Cheapflights users on 7/28. 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. 10/1012:40 pmONT - IAH
Nonstop3h 16mFrontier
dom. 10/125:14 pmIAH - ONT
Nonstop3h 26mFrontier
Deal found 7/28$124
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/158:09 pmONT - DFW
Nonstop3h 15mFrontier
lun. 8/186:09 pmDFW - ONT
Nonstop3h 05mFrontier
Deal found 7/27$141
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 8/272:57 pmONT - DFW
Nonstop3h 03mAmerican Airlines
mié. 9/38:53 amDFW - ONT
Nonstop3h 10mAmerican Airlines
Deal found 7/30$149
This Southwest deal was found by Cheapflights users on 7/30. 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.
vie. 9/56:20 amONT - DAL
1 stop7h 20mSouthwest
dom. 9/79:05 amDAL - ONT
Nonstop3h 05mSouthwest
Deal found 7/30$149
This Frontier deal was found by Cheapflights users on 7/29. 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.
mar. 10/712:59 amONT - ELP
1 stop11h 51mFrontier
sáb. 10/182:39 pmELP - ONT
1 stop10h 11mFrontier
Deal found 7/29$178
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/91:10 pmONT - ELP
1 stop20h 58mAmerican Airlines
mar. 9/167:27 amELP - ONT
1 stop11h 49mAmerican Airlines
Deal found 7/29$183
This Southwest deal was found by Cheapflights users on 7/29. 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.
vie. 9/266:20 amONT - HOU
Nonstop3h 10mSouthwest
jue. 10/21:40 pmHOU - ONT
Nonstop3h 15mSouthwest
Deal found 7/29$191
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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. 10/26:00 amONT - SAT
1 stop5h 23mFrontier
sáb. 10/43:22 pmSAT - ONT
1 stop6h 32mFrontier
Deal found 7/28$195
This Frontier deal was found by Cheapflights users on 7/29. 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. 8/97:00 amONT - AUS
1 stop5h 30mFrontier
sáb. 8/163:15 pmAUS - ONT
1 stop8h 37mFrontier
Deal found 7/29$198
This American Airlines deal was found by Cheapflights users on 7/28. 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.
jue. 9/410:53 amONT - HOU
1 stop5h 17mAmerican Airlines
dom. 9/76:00 amHOU - ONT
1 stop6h 05mAmerican Airlines
Deal found 7/28$209
This Southwest deal was found by Cheapflights users on 7/29. 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.
mié. 12/1012:35 pmONT - ELP
2 stops7h 50mSouthwest
mié. 12/1711:50 amELP - ONT
1 stop8h 25mSouthwest
Deal found 7/29$228
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/261:42 pmONT - AUS
1 stop8h 17mUnited Airlines
mar. 9/25:55 pmAUS - ONT
1 stop5h 30mUnited Airlines
Deal found 7/29$232

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 julio 30, 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

OntarioHouston

ONT - IAH

ONTIAH

Ontario

vie. 10/10

12:40 pm-5:56 pm

Nonstop3h 16m

Houston George Bush Intcntl

dom. 10/12

5:14 pm-6:40 pm

Nonstop3h 26m

$124

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 8/15

8:09 pm-1:24 am

Nonstop3h 15m

Dallas/Fort Worth

lun. 8/18

6:09 pm-7:14 pm

Nonstop3h 05m

$141

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mié. 8/27

2:57 pm-8:00 pm

Nonstop3h 03m

Dallas/Fort Worth

mié. 9/3

8:53 am-10:03 am

Nonstop3h 10m

$149

OntarioDallas

ONT - DAL

ONTDAL

Ontario

vie. 9/5

6:20 am-3:40 pm

1 stop7h 20m

Dallas Love Field

dom. 9/7

9:05 am-10:10 am

Nonstop3h 05m

$149

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

mar. 10/7

12:59 am-1:50 pm

1 stop11h 51m

El Paso

sáb. 10/18

2:39 pm-11:50 pm

1 stop10h 11m

$178

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

mar. 9/9

1:10 pm-11:08 am

1 stop20h 58m

El Paso

mar. 9/16

7:27 am-6:16 pm

1 stop11h 49m

$183

OntarioHouston

ONT - HOU

ONTHOU

Ontario

vie. 9/26

6:20 am-11:30 am

Nonstop3h 10m

Houston Hobby

jue. 10/2

1:40 pm-2:55 pm

Nonstop3h 15m

$191

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

jue. 10/2

6:00 am-1:23 pm

1 stop5h 23m

San Antonio

sáb. 10/4

3:22 pm-7:54 pm

1 stop6h 32m

$195

OntarioAustin

ONT - AUS

ONTAUS

Ontario

sáb. 8/9

7:00 am-2:30 pm

1 stop5h 30m

Austin Bergstrom

sáb. 8/16

3:15 pm-9:52 pm

1 stop8h 37m

$198

OntarioHouston

ONT - HOU

ONTHOU

Ontario

jue. 9/4

10:53 am-6:10 pm

1 stop5h 17m

Houston Hobby

dom. 9/7

6:00 am-10:05 am

1 stop6h 05m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 julio 30, 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 julio 30, 2025.

The most flights from ONT to USTX are scheduled on a Tuesday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Ontario to Texas?

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 julio 30, 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 compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

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 $72 on Frontier. Other airlines that offer cheap prices include Southwest from $79 and American Airlines from $80 one-way.

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

    When deciding which route to take from Ontario to Texas consider Ontario - Houston Hobby, Ontario - Houston George Bush Intcntl or Ontario - Dallas/Fort Worth 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: Frontier (77%), Qatar Airways (73%), American Airlines( 71%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Ontario - Houston Hobby) can be booked for $96 on average our data indicates $977 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$62Average$164FlexibilityNo cancel feeOn-time65%
FrontierCheapest$78Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$120Average$351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$183Average$359FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$185Average$405FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$225Average$258FlexibilityNo cancel feeOn-time75%

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