HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Texas

$67+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
mar. 30 — abr. 61
dom. 3/30
dom. 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Texas with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 marzo 25, 2025.

Round-trip from

$98
(Frontier)

One-way from

$70
(Frontier)

Popular in

March

Cheapest in

January

Average price

$289

Good round-trip deal

$146 or less

Good one-way deal

$91 or less
From Ontario to Texas
Search Deals
One-way flight from Ontario to Texas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($16 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 March 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

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 marzo 25, 2025.

This Frontier deal was found by Cheapflights users on 3/23. 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. 4/128:39 amONT - DFW
Nonstop3h 14mFrontier
sáb. 4/196:15 amDFW - ONT
Nonstop3h 24mFrontier
Deal found 3/23$140
This American Airlines deal was found by Cheapflights users on 3/24. 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. 5/291:14 pmONT - AUS
1 stop5h 16mAmerican Airlines
lun. 6/26:10 pmAUS - ONT
1 stop5h 47mAmerican Airlines
Deal found 3/24$175
This United Airlines deal was found by Cheapflights users on 3/23. 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.
vie. 5/26:08 amONT - IAH
Nonstop3h 05mUnited Airlines
lun. 5/58:20 pmIAH - ONT
Nonstop3h 40mUnited Airlines
Deal found 3/23$177
This Southwest deal was found by Cheapflights users on 3/23. 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.
sáb. 5/107:40 amONT - HOU
Nonstop3h 00mSouthwest
lun. 5/128:35 amHOU - ONT
Nonstop3h 30mSouthwest
Deal found 3/23$177
This Frontier deal was found by Cheapflights users on 3/24. 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. 4/14:04 pmONT - IAH
Nonstop3h 02mFrontier
sáb. 4/511:59 amIAH - ONT
Nonstop3h 33mFrontier
Deal found 3/24$178
This Southwest deal was found by Cheapflights users on 3/23. 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.
sáb. 4/269:50 amONT - DAL
Nonstop2h 55mSouthwest
mar. 4/297:00 pmDAL - ONT
Nonstop3h 15mSouthwest
Deal found 3/23$179
This American Airlines deal was found by Cheapflights users on 3/23. 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. 5/2812:45 pmONT - IAH
1 stop7h 59mAmerican Airlines
mar. 6/38:26 amIAH - ONT
1 stop5h 24mAmerican Airlines
Deal found 3/23$197
This American Airlines deal was found by Cheapflights users on 3/23. 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. 5/2812:45 pmONT - HOU
1 stop4h 59mAmerican Airlines
sáb. 5/316:31 pmHOU - ONT
1 stop5h 27mAmerican Airlines
Deal found 3/23$197
This American Airlines deal was found by Cheapflights users on 3/24. 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.
vie. 5/211:59 pmONT - DFW
Nonstop2h 52mAmerican Airlines
mar. 5/610:41 pmDFW - ONT
Nonstop3h 02mAmerican Airlines
Deal found 3/24$206
This Southwest deal was found by Cheapflights users on 3/23. 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. 4/232:35 pmONT - AUS
1 stop6h 15mSouthwest
mié. 4/304:20 pmAUS - ONT
Nonstop3h 10mSouthwest
Deal found 3/23$207
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/266:00 amONT - DFW
1 stop10h 33mMultiple Airlines
mar. 4/2912:13 pmDFW - ONT
Nonstop3h 24mMultiple Airlines
Deal found 3/23$209
This United Airlines deal was found by Cheapflights users on 3/23. 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.
sáb. 5/31:20 pmONT - AUS
1 stop5h 40mUnited Airlines
sáb. 5/171:15 pmAUS - ONT
2 stops9h 19mUnited Airlines
Deal found 3/23$222

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 marzo 25, 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

mié. 4/16

4:04 pm-9:06 pm

Nonstop3h 02m

Houston George Bush Intcntl

sáb. 4/19

11:59 am-1:32 pm

Nonstop3h 33m

$134

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 4/3

6:13 pm-11:16 pm

Nonstop3h 03m

Dallas/Fort Worth

dom. 4/6

6:05 am-7:29 am

Nonstop3h 24m

$137

OntarioAustin

ONT - AUS

ONTAUS

Ontario

jue. 5/29

1:14 pm-8:30 pm

1 stop5h 16m

Austin Bergstrom

lun. 6/2

6:10 pm-9:57 pm

1 stop5h 47m

$175

OntarioHouston

ONT - IAH

ONTIAH

Ontario

sáb. 4/26

6:10 am-11:13 am

Nonstop3h 03m

Houston George Bush Intcntl

vie. 5/2

8:20 pm-10:00 pm

Nonstop3h 40m

$177

OntarioHouston

ONT - HOU

ONTHOU

Ontario

sáb. 5/10

7:40 am-12:40 pm

Nonstop3h 00m

Houston Hobby

lun. 5/12

8:35 am-10:05 am

Nonstop3h 30m

$177

OntarioDallas

ONT - DAL

ONTDAL

Ontario

sáb. 4/26

9:50 am-2:45 pm

Nonstop2h 55m

Dallas Love Field

mar. 4/29

7:00 pm-8:15 pm

Nonstop3h 15m

$179

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mié. 4/16

11:59 pm-9:24 am

1 stop7h 25m

Houston George Bush Intcntl

sáb. 4/19

8:26 am-11:59 am

1 stop5h 33m

$197

OntarioHouston

ONT - HOU

ONTHOU

Ontario

mié. 5/28

12:45 pm-7:44 pm

1 stop4h 59m

Houston Hobby

sáb. 5/31

6:31 pm-9:58 pm

1 stop5h 27m

$197

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 5/2

11:59 pm-4:51 am

Nonstop2h 52m

Dallas/Fort Worth

mar. 5/6

10:41 pm-11:43 pm

Nonstop3h 02m

$206

OntarioAustin

ONT - AUS

ONTAUS

Ontario

mié. 4/23

2:35 pm-10:50 pm

1 stop6h 15m

Austin Bergstrom

mié. 4/30

4:20 pm-5:30 pm

Nonstop3h 10m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 results
1
2
3
...
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, 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 marzo 25, 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 marzo 25, 2025.

The most flights from ONT to USTX are scheduled on a Tuesday (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Texas by month

Plan your trip to Texas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Texas ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Texas when rainfall is around 3.2 in.

Temperature in Texas by month

Plan your trip to Texas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 marzo 25, 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 stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Qatar Airways
7.4
Good
3,540 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $70 on Frontier. Other airlines that offer cheap prices include American Airlines from $74 and Southwest from $89 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 (92%), British Airways (90%), Iberia( 87%).

  • What are the cheapest flights from Ontario to Texas?

    Looking at all options, your cheapest flight can be booked for $52. While the most popular route (Ontario - Dallas/Fort Worth) can be booked for $143 on average our data indicates $1,085 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Texas

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to Honolulu flights
Los Angeles to LaGuardia flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
San Francisco to Newark flights
Los Angeles to O'Hare Intl flights
Los Angeles to Miami flights
Los Angeles to Hobby flights
Los Angeles to Orlando flights
Los Angeles to Boston flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
San Francisco to Las Vegas flights
San Francisco to LaGuardia flights
San Jose to Los Angeles flights
Los Angeles to Dallas/Fort Worth flights
San Diego to Seattle flights
Ontario to Seattle flights
Los Angeles to Reagan-National flights
San Francisco to Honolulu flights
San Francisco to Seattle flights
Los Angeles to Dulles Intl flights
Los Angeles to Fort Lauderdale flights
Los Angeles to Portland flights
Burbank to Newark flights
Los Angeles to San Francisco flights
Los Angeles to George Bush Intcntl flights
Burbank to Las Vegas flights
Santa Ana to Seattle flights
San Francisco to Boston flights
Burbank to Seattle flights
Oakland to Los Angeles flights
Santa Ana to Las Vegas flights
San Francisco to O'Hare Intl flights
Los Angeles to Nashville flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to San Jose flights
Los Angeles to Lihue flights
Oakland to Las Vegas flights
San Francisco to Dulles Intl flights
Los Angeles to Salt Lake City flights
Los Angeles to Sky Harbor Intl flights
San Diego to Newark flights
San Jose to Seattle flights
Los Angeles to Kahului flights
Santa Ana to Newark flights
Ontario to Honolulu flights
San Francisco to Kahului flights

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 marzo 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$176FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$75Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$181Average$382FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$185Average$382FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$201Average$411FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.