Texas

$70+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Jul 8 — Jul 151
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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 June 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/81:38 pm
ONT
-
SAT
1 stop4h 59m
Frontier
Tue 7/149:32 pm
SAT
-
ONT
1 stop12h 31m
Frontier
Deal found 6/3$190
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Sun 8/26:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/7$192
This Super.com deal was found by Cheapflights users on 6/4. 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.
Tue 7/219:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Tue 7/286:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/4$193
This Super.com deal was found by Cheapflights users on 6/4. 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.
Wed 7/159:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Wed 7/226:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/4$195
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/116:00 am
ONT
-
ELP
1 stop10h 13m
Frontier
Tue 8/188:09 pm
ELP
-
ONT
1 stop20h 00m
Frontier
Deal found 6/4$196
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/611:47 am
ONT
-
SAT
1 stop6h 50m
Frontier
Mon 8/109:32 pm
SAT
-
ONT
1 stop12h 31m
Frontier
Deal found 6/4$196
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Sun 8/26:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/7$196
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Fri 7/246:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/8$197
This Frontier deal was found by Cheapflights users on 6/4. 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 8/19:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Wed 8/194:21 pm
IAH
-
ONT
Nonstop3h 31m
Frontier
Deal found 6/4$198
This Frontier deal was found by Cheapflights users on 6/3. 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.
Sun 8/169:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Sat 8/294:21 pm
IAH
-
ONT
Nonstop3h 31m
Frontier
Deal found 6/3$199
This Super.com deal was found by Cheapflights users on 6/4. 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.
Tue 7/79:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Thu 8/66:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/4$200
This Super.com deal was found by Cheapflights users on 6/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:32 am
ONT
-
IAH
Nonstop3h 20m
Frontier
Tue 7/216:10 am
IAH
-
ONT
Nonstop3h 22m
Frontier
Deal found 6/5$201

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 June 8, 2026.

Round-trip from

$190
(Kiwi.com)

One-way from

$70
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$318

Good round-trip deal

$249 or less

Good one-way deal

$120 or less
From Ontario to Texas
One-way flight from Ontario to Texas
Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 8, 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 9/5

6:10 am-4:40 pm

2 stops8h 30m

Austin Bergstrom

Mon 9/7

6:45 am-9:20 am

1 stop4h 35m

$292

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Thu 8/13

8:30 am-5:15 pm

2 stops6h 45m

Dallas Love Field

Tue 8/18

7:50 am-11:50 am

1 stop6h 00m

$307

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 6/18

11:58 am-7:14 pm

1 stop6h 16m

El Paso

Mon 6/22

6:03 pm-11:49 pm

1 stop6h 46m

$308

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 7/15

6:00 am-1:31 pm

1 stop5h 31m

Houston George Bush Intcntl

Tue 7/21

7:01 pm-11:48 pm

1 stop6h 47m

$327

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 7/22

1:00 pm-9:50 pm

1 stop6h 50m

Houston George Bush Intcntl

Wed 7/29

7:35 am-12:10 pm

1 stop6h 35m

$327

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 8/25

7:40 am-7:55 pm

2 stops10h 15m

Houston Hobby

Mon 8/31

3:00 pm-7:25 pm

2 stops6h 25m

$331

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 9/23

6:20 am-9:47 pm

2 stops13h 27m

Houston George Bush Intcntl

Mon 9/28

2:21 pm-10:40 pm

2 stops10h 19m

$335

OntarioAustin

ONT - AUS

ONTAUS

Ontario

Fri 7/31

10:50 am-6:05 pm

1 stop5h 15m

Austin Bergstrom

Fri 8/7

1:40 pm-7:25 pm

2 stops7h 45m

$343

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Tue 8/11

3:35 pm-10:30 pm

2 stops5h 55m

El Paso

Tue 8/18

7:15 am-1:35 pm

2 stops7h 20m

$347

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Sat 6/20

10:50 am-5:14 pm

1 stop5h 24m

El Paso

Tue 6/23

6:03 pm-11:49 pm

1 stop6h 46m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Ontario to Texas (average of $317). Flying from Ontario to Texas in January is currently the most expensive (average of $726). 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 8, 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 32% on your trip compared to booking a flight in the morning.

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 8, 2026.

The most flights from ONT to USTX are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

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

How far ahead should I book a flight from Ontario to Texas?

The best time to book flights from Ontario to Texas is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 May 30, 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.

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 8, 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.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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, Frontier, and Delta fly from Ontario to Texas in about 6h 16m. The time it takes to get you to your destination can typically vary by up to 2h 14m. Ontario and Texas are separated by a distance of 668 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 $49 on Frontier. Other airlines that offer cheap prices include United Airlines from $74 and Southwest from $89 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: Frontier (86%), Volaris (86%), American Airlines( 80%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $117. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $245 on average, our data indicates $1,068 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, October is the cheapest month in which you can book a flight from Ontario to Texas (average of $317). Flying from Ontario to Texas in January is currently the most expensive (average of $726). 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.

Top 6 airlines flying from Ontario to Texas

Discover the top 6 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$120Average$323FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$159Average$392FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$168Average$399FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$394FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$300Average$533FlexibilityNo cancel feeOn-time75%

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