Texas

$60+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Apr 9 — Apr 161
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Cheap 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 March 10, 2026.

This Super.com deal was found by Cheapflights users on 3/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:26 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Mon 4/203:01 pm
IAH
-
ONT
Nonstop3h 37m
Frontier
Deal found 3/7$126
This Frontier deal was found by Cheapflights users on 3/7. 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.
Thu 4/238:26 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Thu 5/143:01 pm
IAH
-
ONT
Nonstop3h 37m
Frontier
Deal found 3/7$128
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:59 am
ONT
-
IAH
1 stop12h 08m
Frontier
Wed 5/64:02 pm
IAH
-
ONT
1 stop9h 53m
Frontier
Deal found 3/6$134
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:20 am
ONT
-
AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
-
ONT
1 stop18h 56m
Frontier
Deal found 3/5$136
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
-
IAH
1 stop20h 57m
Frontier
Mon 5/43:01 pm
IAH
-
ONT
Nonstop3h 37m
Frontier
Deal found 3/5$137
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
-
AUS
1 stop14h 19m
Frontier
Sat 4/188:50 pm
AUS
-
ONT
1 stop12h 36m
Frontier
Deal found 3/6$139
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
-
IAH
1 stop6h 50m
Frontier
Wed 5/64:02 pm
IAH
-
ONT
1 stop9h 53m
Frontier
Deal found 3/6$141
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:15 am
ONT
-
AUS
1 stop13h 35m
Frontier
Thu 4/211:00 am
AUS
-
ONT
1 stop14h 56m
Frontier
Deal found 3/5$141
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Sat 4/258:00 am
ONT
-
DFW
Nonstop3h 15m
Frontier
Tue 5/510:36 pm
DFW
-
ONT
1 stop17h 04m
Frontier
Deal found 3/9$142
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:59 am
ONT
-
DFW
1 stop10h 29m
Frontier
Wed 4/294:15 pm
DFW
-
ONT
1 stop9h 40m
Frontier
Deal found 3/6$144
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:20 am
ONT
-
AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
-
ONT
1 stop18h 56m
Frontier
Deal found 3/5$144
This Booking.com deal was found by Cheapflights users on 3/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:03 pm
ONT
-
DFW
1 stop5h 47m
Frontier
Wed 4/85:20 pm
DFW
-
ONT
1 stop8h 36m
Frontier
Deal found 3/8$145

Find flight deals from Ontario to Texas

Keep the following information in mind while searching for Ontario to Texas flight deals. Data was last updated March 10, 2026.

Round-trip from

$126
(Super.com)

One-way from

$60
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$287

Good round-trip deal

$272 or less

Good one-way deal

$155 or less
From Ontario to Texas
One-way flight from Ontario to Texas
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Ontario to Texas.
Price to beat on a one-way flight from Ontario to Texas.

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 March 10, 2026.
Use the filters below to find and compare flights from Ontario to Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Sat 5/23

6:00 am-4:05 pm

1 stop8h 05m

Austin Bergstrom

Tue 5/26

5:55 pm-9:50 pm

1 stop5h 55m

$209

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Sat 4/18

12:49 pm-12:17 am

1 stop9h 28m

Austin Bergstrom

Tue 4/21

6:45 pm-11:44 pm

1 stop6h 59m

$237

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Sat 4/4

5:10 am-1:08 pm

1 stop5h 58m

Austin Bergstrom

Tue 4/7

10:50 am-6:02 pm

2 stops9h 12m

$242

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Tue 4/7

12:55 pm-8:25 pm

1 stop5h 30m

Dallas Love Field

Wed 4/15

12:20 pm-1:30 pm

Nonstop3h 10m

$249

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Fri 6/5

11:52 am-11:57 pm

1 stop10h 05m

Austin Bergstrom

Fri 6/12

12:30 pm-4:14 pm

1 stop5h 44m

$268

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Thu 4/23

11:55 am-9:00 pm

2 stops7h 05m

Austin Bergstrom

Mon 4/27

6:00 am-12:00 pm

1 stop8h 00m

$282

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Wed 6/17

10:10 am-8:00 pm

2 stops7h 50m

Austin Bergstrom

Sun 6/21

5:35 am-9:20 am

1 stop5h 45m

$282

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 4/18

11:50 am-4:55 pm

Nonstop3h 05m

Houston Hobby

Sun 4/19

5:40 am-9:10 am

1 stop5h 30m

$284

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Wed 5/27

6:55 am-2:15 pm

1 stop5h 20m

Austin Bergstrom

Tue 6/2

11:10 am-12:15 pm

Nonstop3h 05m

$287

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Wed 5/27

11:15 am-11:39 pm

1 stop10h 24m

Austin Bergstrom

Tue 6/2

5:48 pm-11:56 pm

1 stop8h 08m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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, December is the cheapest month in which you can book a flight from Ontario to Texas (average of $57). Flying from Ontario to Texas in June is currently the most expensive (average of $94). 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 March 10, 2026.

A simple way to save on the total cost of your ticket is to fly from Ontario to Texas in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ontario to Texas?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Texas. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Ontario to Texas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 March 10, 2026.

The most flights from ONT to USTX are scheduled on a Tuesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

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 March 10, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines 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.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Texas?

    Airlines like Southwest, Delta, and United Airlines fly from Ontario to Texas in about 5h 58m. The time it takes to get you to your destination can typically vary by up to 3h 30m. Ontario and Texas are separated by a distance of 1193 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 Ontario to Texas one-way?

    One-way options have recently been found by users for as low as $45 on Frontier. Other airlines that offer cheap prices include United Airlines from $72 and Southwest from $88 one-way.

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

  • 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 (85%), Qatar Airways (85%), Iberia( 83%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $93. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $137 on average, our data indicates $872 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, December is the cheapest month in which you can book a flight from Ontario to Texas (average of $57). Flying from Ontario to Texas in June is currently the most expensive (average of $94). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$213FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$160FlexibilityNo cancel feeOn-time65%
DeltaCheapest$120Average$357FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$150Average$396FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$159Average$381FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$184Average$391FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$267FlexibilityNo cancel feeOn-time75%

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