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Ontario

$45+ 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
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Texas to Ontario

Keep the following information in mind while searching for Texas to Ontario flight deals. Data was last updated February 20, 2025.

Round-trip from

$82
(Frontier)

One-way from

$45
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$180

Good round-trip deal

$114 or less

Good one-way deal

$53 or less
From Texas to Ontario
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One-way flight from Texas to Ontario
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. 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 3/1612:22 pmIAH - ONT
Nonstop3h 36mFrontier
Wed 3/194:04 pmONT - IAH
Nonstop3h 17mFrontier
Deal found 2/18$82
This Frontier deal was found by Cheapflights users on 2/19. 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 3/15:41 pmDFW - ONT
Nonstop3h 28mFrontier
Tue 3/116:59 pmONT - DFW
Nonstop2h 56mFrontier
Deal found 2/19$91
This Frontier deal was found by Cheapflights users on 2/19. 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 4/96:10 amAUS - ONT
1 stop10h 17mFrontier
Wed 4/163:17 pmONT - AUS
1 stop6h 16mFrontier
Deal found 2/19$100
This Frontier deal was found by Cheapflights users on 2/20. 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 3/42:18 pmSAT - ONT
1 stop11h 41mFrontier
Fri 3/712:59 amONT - SAT
1 stop10h 19mFrontier
Deal found 2/20$100
This Frontier deal was found by Cheapflights users on 2/20. 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 4/81:13 pmELP - ONT
1 stop11h 46mFrontier
Sun 4/1312:59 amONT - ELP
1 stop10h 24mFrontier
Deal found 2/20$110
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/126:00 amAUS - ONT
1 stop6h 01mAmerican Airlines
Sat 3/1511:59 pmONT - AUS
1 stop6h 11mAmerican Airlines
Deal found 2/19$217
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/199:05 pmDFW - ONT
Nonstop3h 22mAmerican Airlines
Wed 3/262:54 pmONT - DFW
Nonstop2h 51mAmerican Airlines
Deal found 2/19$219
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 3/293:35 pmDFW - ONT
1 stop9h 08mDelta
Tue 4/112:46 pmONT - DFW
1 stop9h 30mDelta
Deal found 2/19$237
This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 4/111:52 amIAH - ONT
1 stop6h 42mDelta
Wed 4/26:00 amONT - IAH
1 stop7h 20mDelta
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 4/294:01 pmDAL - ONT
1 stop8h 35mDelta
Wed 4/307:00 amONT - DAL
1 stop8h 51mDelta
Deal found 2/19$237
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 4/59:30 pmAUS - ONT
Nonstop3h 15mSouthwest
Mon 4/73:45 pmONT - AUS
1 stop4h 55mSouthwest
Deal found 2/18$244
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 5/218:15 amAUS - ONT
1 stop6h 09mDelta
Wed 5/215:05 pmONT - AUS
1 stop5h 41mDelta
Deal found 2/19$257

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 February 20, 2025.

Fly from

Texas

Fly to

Ontario

Route

Depart

Return

Price

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Fri 3/14

12:07 pm-1:43 pm

Nonstop3h 36m

Ontario

Wed 3/26

4:04 pm-9:21 pm

Nonstop3h 17m

$82

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/1

5:41 pm-7:09 pm

Nonstop3h 28m

Ontario

Tue 3/11

6:59 pm-11:55 pm

Nonstop2h 56m

$91

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

Wed 4/9

6:10 am-2:27 pm

1 stop10h 17m

Ontario

Wed 4/16

3:17 pm-11:33 pm

1 stop6h 16m

$100

San AntonioOntario

SAT - ONT

SATONT

San Antonio

Tue 3/4

2:18 pm-11:59 pm

1 stop11h 41m

Ontario

Fri 3/7

12:59 am-1:18 pm

1 stop10h 19m

$100

El PasoOntario

ELP - ONT

ELPONT

El Paso

Tue 4/8

1:13 pm-11:59 pm

1 stop11h 46m

Ontario

Sun 4/13

12:59 am-12:23 pm

1 stop10h 24m

$110

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

Wed 3/12

6:00 am-10:01 am

1 stop6h 01m

Ontario

Sat 3/15

11:59 pm-8:10 am

1 stop6h 11m

$217

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 3/19

9:05 pm-10:27 pm

Nonstop3h 22m

Ontario

Wed 3/26

2:54 pm-7:45 pm

Nonstop2h 51m

$219

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/29

3:35 pm-10:43 pm

1 stop9h 08m

Ontario

Tue 4/1

12:46 pm-12:16 am

1 stop9h 30m

$237

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 4/29

4:01 pm-10:36 pm

1 stop8h 35m

Ontario

Wed 4/30

7:00 am-5:51 pm

1 stop8h 51m

$237

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Tue 4/1

6:10 am-4:34 pm

2 stops12h 24m

Ontario

Wed 4/2

12:46 pm-11:59 pm

1 stop9h 13m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 $315). 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 February 20, 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 February 20, 2025.

The most flights from USTX to ONT are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska 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
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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 ($45), American Airlines ($80), and Hawaiian Airlines ($103).

  • 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 (78%), Frontier (71%), American Airlines( 68%).

  • What are the cheapest flights from Texas to Ontario?

    The cheapest flight price from Texas to Ontario is $36. On average you can expect to pay $149. The most popular route, (Houston Hobby - Ontario), can usually be booked for $58.

  • 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 $315). 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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$177FlexibilityNo cancel feeOn-time65%
FrontierCheapest$69Average$196FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$343FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$168Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$414FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$190Average$385FlexibilityNo cancel feeOn-time63%
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