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Ontario

$41+ Cheap flights from Texas to Ontario (ONT)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ONT
ene. 28 — feb. 41
mar. 1/28
mar. 2/4
1 adult, Economy
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Cheap flight deals from Texas to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Texas (USTX) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 23, 2025.

Round-trip from

$106
(Frontier)

One-way from

$41
(Trip.com)

Good round-trip deal

$138 or less

Good one-way deal

$79 or less
From Texas to Ontario
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One-way flight from Texas to Ontario
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Price to beat on a round-trip flight from Texas to Ontario.
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Price to beat on a one-way flight from Texas to Ontario.
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Find flight deals from Texas to Ontario

Cheapest flights from Texas to Ontario
Explore the most affordable flight options available from Texas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 23, 2025.

This Frontier deal was found by Cheapflights users on 1/21. 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.
jue. 2/275:58 pmSAT - ONT
1 stop15h 28mFrontier
mié. 3/52:43 pmONT - SAT
1 stop23h 53mFrontier
Deal found 1/21$106
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
lun. 3/245:11 pmAUS - ONT
1 stop5h 34mFrontier
mar. 4/82:43 pmONT - AUS
1 stop4h 37mFrontier
Deal found 1/21$108
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
lun. 4/217:50 pmELP - ONT
1 stop5h 09mFrontier
mar. 5/612:16 pmONT - ELP
1 stop5h 40mFrontier
Deal found 1/22$108
This FlightHub deal was found by Cheapflights users on 1/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1912:09 pmIAH - ONT
1 stop7h 49mFrontier
mié. 2/262:43 pmONT - IAH
1 stop18h 24mFrontier
Deal found 1/22$120
This Trip.com deal was found by Cheapflights users on 1/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/13:43 pmHOU - ONT
1 stop10h 26mFrontier
dom. 3/212:59 amONT - HOU
1 stop6h 37mFrontier
Deal found 1/23$120
This Booking.com deal was found by Cheapflights users on 1/22. 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.
vie. 2/2110:39 pmDFW - ONT
1 stop14h 38mFrontier
lun. 3/37:58 pmONT - DFW
Nonstop2h 58mFrontier
Deal found 1/22$123
This American Airlines deal was found by Cheapflights users on 1/22. 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.
sáb. 2/158:38 amDFW - ONT
Nonstop3h 23mAmerican Airlines
sáb. 2/226:05 amONT - DFW
Nonstop2h 53mAmerican Airlines
Deal found 1/22$191
This Southwest deal was found by Cheapflights users on 1/22. 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.
mar. 3/45:40 pmDAL - ONT
Nonstop3h 20mSouthwest
mar. 3/116:50 amONT - DAL
Nonstop2h 50mSouthwest
Deal found 1/22$219
This United Airlines deal was found by Cheapflights users on 1/22. 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.
mié. 2/128:45 amDFW - ONT
2 stops11h 19mUnited Airlines
sáb. 2/151:44 pmONT - DFW
1 stop5h 27mUnited Airlines
Deal found 1/22$224
This Southwest deal was found by Cheapflights users on 1/23. 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. 3/122:55 pmAUS - ONT
Nonstop3h 15mSouthwest
lun. 3/172:30 pmONT - AUS
Nonstop2h 45mSouthwest
Deal found 1/23$234
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1812:40 pmDFW - ONT
1 stop5h 54mDelta
mié. 3/261:30 pmONT - DFW
1 stop5h 43mDelta
Deal found 1/22$237
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/186:00 amDAL - ONT
1 stop7h 55mDelta
mar. 2/251:05 pmONT - DAL
1 stop7h 12mDelta
Deal found 1/22$237

Find flights from Texas to Ontario within your budget

Customize your flight search to find flights from Texas to Ontario 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 enero 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San AntonioOntario

SAT - ONT

SATONT

San Antonio

jue. 2/27

5:58 pm-7:26 am

1 stop15h 28m

Ontario

mié. 3/5

2:43 pm-4:36 pm

1 stop23h 53m

$106

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

lun. 3/24

5:11 pm-8:45 pm

1 stop5h 34m

Ontario

mar. 4/8

2:43 pm-9:20 pm

1 stop4h 37m

$108

El PasoOntario

ELP - ONT

ELPONT

El Paso

lun. 4/21

7:50 pm-11:59 pm

1 stop5h 09m

Ontario

mar. 5/6

12:16 pm-6:56 pm

1 stop5h 40m

$108

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

mié. 2/19

12:09 pm-5:58 pm

1 stop7h 49m

Ontario

mié. 2/26

2:43 pm-11:07 am

1 stop18h 24m

$120

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

sáb. 3/1

3:43 pm-12:09 am

1 stop10h 26m

Ontario

dom. 3/2

12:59 am-9:36 am

1 stop6h 37m

$120

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

vie. 2/21

10:39 pm-11:17 am

1 stop14h 38m

Ontario

lun. 3/3

7:58 pm-12:56 am

Nonstop2h 58m

$123

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

sáb. 2/15

8:38 am-10:01 am

Nonstop3h 23m

Ontario

sáb. 2/22

6:05 am-10:58 am

Nonstop2h 53m

$191

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

mar. 3/4

5:40 pm-7:00 pm

Nonstop3h 20m

Ontario

mar. 3/11

6:50 am-11:40 am

Nonstop2h 50m

$219

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mié. 2/12

8:45 am-6:04 pm

2 stops11h 19m

Ontario

sáb. 2/15

1:44 pm-9:11 pm

1 stop5h 27m

$224

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

mié. 3/12

2:55 pm-4:10 pm

Nonstop3h 15m

Ontario

lun. 3/17

2:30 pm-7:15 pm

Nonstop2h 45m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 60 results
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Best time to book a flight from Texas to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Texas 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.

Travel insights for flights from Texas to Ontario

Get recent, data-driven insights about flights from Texas to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Texas to Ontario?

Currently, August is the cheapest month in which you can book a flight from Texas to Ontario (average of $246). Flying from Texas to Ontario in March is currently the most expensive (average of $310). 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 TX to ONT?

Find hourly flight availability from Texas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 23, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Texas to Ontario as you normally would.

Weekly flight availability from Texas to Ontario

Explore weekly flight availability from Texas to Ontario. 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 enero 23, 2025.

The most flights from USTX to ONT are scheduled on a Thursday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated enero 23, 2025.
Get a feel of what it's like to fly with Frontier, American Airlines and Delta from Texas to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,647 reviews
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,704 reviews
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,512 reviews
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,975 reviews
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,647 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Texas to Ontario. 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 into for flights to Ontario from Texas?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Texas. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Texas to Ontario one-way?

    The cheapest airlines for a one-way flight from Texas to Ontario are Frontier ($41), American Airlines ($90), and Southwest ($90).

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

    While some choose either Houston George Bush Intcntl - Ontario or Dallas/Fort Worth - Ontario, Houston Hobby - Ontario is the most popular route from Texas to Ontario.

  • What are the most reliable airlines from Texas to Ontario?

    Before booking your flight to Ontario from Texas, check out the most reliable airlines to get you to your destination on time: Qatar Airways (74%), American Airlines (73%), Frontier( 65%).

  • What are the cheapest flights from Texas to Ontario?

    The cheapest flight price from Texas to Ontario is $54. On average you can expect to pay $230. The most popular route, (Houston Hobby - Ontario), can usually be booked for $95.

  • Can I find deals for flights from Texas to Ontario that include hotel bookings?

    Yes. In addition to deals on Texas to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Texas to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Texas to Ontario.

  • Can I find deals for business class flights from Texas to Ontario?

    Yes. Cheapflights offers flight deals from Texas to Ontario 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 Texas to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Texas to Ontario (average of $246). Flying from Texas to Ontario in March is currently the most expensive (average of $310). 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.

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Alternative routes for Texas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Texas to Ontario

Discover the top 6 airlines that operate flights from Texas to Ontario. 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 enero 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$195FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$180FlexibilityNo cancel feeOn-time65%
DeltaCheapest$157Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$177Average$400FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$190Average$388FlexibilityNo cancel feeOn-time63%
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