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$52+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:46 pmONT - IAH
Nonstop3h 25mFrontier
Sun 11/165:23 pmIAH - ONT
Nonstop3h 26mFrontier
Deal found 10/27$108
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:59 pmONT - ELP
1 stop4h 01mFrontier
Mon 12/88:55 pmELP - ONT
1 stop25h 22mFrontier
Deal found 10/28$110
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:00 amONT - SAT
1 stop27h 19mFrontier
Thu 11/1310:46 pmSAT - ONT
1 stop10h 31mFrontier
Deal found 10/27$110
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:46 pmONT - IAH
Nonstop3h 25mFrontier
Thu 11/204:25 pmIAH - ONT
1 stop6h 41mFrontier
Deal found 10/27$110
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:05 pmONT - AUS
1 stop19h 37mFrontier
Mon 11/177:14 pmAUS - ONT
1 stop4h 43mFrontier
Deal found 10/27$110
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:59 pmONT - IAH
Nonstop3h 22mFrontier
Wed 12/243:48 pmIAH - ONT
Nonstop3h 42mFrontier
Deal found 10/27$111
This Frontier deal was found by Cheapflights users on 10/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:46 pmONT - IAH
Nonstop3h 25mFrontier
Mon 11/176:00 amIAH - ONT
1 stop7h 10mFrontier
Deal found 10/27$112
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:46 pmONT - IAH
Nonstop3h 25mFrontier
Sun 11/165:23 pmIAH - ONT
Nonstop3h 26mFrontier
Deal found 10/29$114
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:05 pmONT - IAH
Nonstop3h 22mFrontier
Mon 12/82:51 pmIAH - ONT
Nonstop3h 42mFrontier
Deal found 10/27$117
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:46 pmONT - IAH
Nonstop3h 25mFrontier
Tue 11/187:00 amIAH - ONT
1 stop16h 27mFrontier
Deal found 10/28$119
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:20 pmONT - IAH
1 stop7h 11mFrontier
Sun 12/72:51 pmIAH - ONT
Nonstop3h 42mFrontier
Deal found 10/28$124
This Frontier deal was found by Cheapflights users on 10/28. 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.
Wed 11/263:21 pmONT - IAH
Nonstop3h 17mFrontier
Sun 12/72:51 pmIAH - ONT
Nonstop3h 42mFrontier
Deal found 10/28$126

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 October 29, 2025.

Round-trip from

$108
(Priceline)

One-way from

$52
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$230

Good round-trip deal

$229 or less

Good one-way deal

$133 or less
From Ontario to Texas
Search Deals
One-way flight from Ontario to Texas
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Texas.
Search Deals
Price to beat on a one-way flight from Ontario to Texas.
Search Deals

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 October 29, 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

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 12/4

6:15 am-8:00 pm

1 stop12h 45m

El Paso

Mon 12/8

8:55 pm-9:17 pm

1 stop25h 22m

$110

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 11/13

12:05 pm-2:00 pm

1 stop24h 55m

El Paso

Mon 11/17

12:10 pm-9:57 pm

1 stop10h 47m

$110

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 11/13

6:00 am-11:25 am

1 stop4h 25m

El Paso

Sat 11/15

3:25 pm-11:50 pm

1 stop9h 25m

$110

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 12/11

6:15 am-8:00 pm

1 stop12h 45m

El Paso

Mon 12/15

8:55 pm-9:17 pm

1 stop25h 22m

$130

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Fri 11/14

8:24 am-6:56 pm

1 stop9h 32m

El Paso

Mon 11/17

12:10 pm-9:57 pm

1 stop10h 47m

$143

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Sun 11/16

6:00 am-11:25 am

1 stop4h 25m

El Paso

Wed 11/19

3:30 pm-11:11 am

1 stop20h 41m

$143

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Thu 11/6

6:00 am-11:25 am

1 stop4h 25m

El Paso

Mon 11/10

12:10 pm-9:57 pm

1 stop10h 47m

$143

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Wed 11/12

8:00 am-1:20 pm

1 stop4h 20m

El Paso

Sun 11/16

1:47 pm-11:50 pm

1 stop11h 03m

$143

OntarioEl Paso

ONT - ELP

ONTELP

Ontario

Wed 11/5

8:00 am-1:20 pm

1 stop4h 20m

El Paso

Wed 11/19

2:10 pm-8:42 pm

1 stop7h 32m

$144

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Thu 1/8

6:00 am-9:18 am

1 stop25h 18m

San Antonio

Tue 1/13

6:44 pm-2:33 pm

1 stop21h 49m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, February is the cheapest month in which you can book a flight from Ontario to Texas (average of $57). Flying from Ontario to Texas in July is currently the most expensive (average of $91). 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 October 29, 2025.

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 30% 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 October 26, 2025.

Travelers seeking maximum savings on their Ontario to Texas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday 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 October 29, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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.
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,999 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 Frontier, Southwest, and Delta fly from Ontario to Texas in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 6h 10m. Ontario and Texas are separated by a distance of 1185 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 $52 on Frontier. Other airlines that offer cheap prices include Southwest from $90 and Alaska Airlines from $109 one-way.

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

    When deciding which route to take from Ontario to Texas consider Ontario - Dallas/Fort Worth, Ontario - Houston Hobby or Ontario - Houston George Bush Intcntl 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: American Airlines (79%), Frontier (76%), British Airways( 76%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $75. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $70 on average, our data indicates $846 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, February is the cheapest month in which you can book a flight from Ontario to Texas (average of $57). Flying from Ontario to Texas in July is currently the most expensive (average of $91). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$202FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$86Average$170FlexibilityNo cancel feeOn-time65%
DeltaCheapest$120Average$374FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$163Average$396FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$178Average$376FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$182Average$376FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$267FlexibilityNo cancel feeOn-time75%

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