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$48+ Cheap flights from Dallas/Fort Worth (DFW) 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ONT
avr. 20 — avr. 271
dim. 4/20
dim. 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Ontario are usually found in September or February, booked 48 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Dallas/Fort Worth to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) 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 avril 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$83
(Frontier)

One-way from

$48
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$162

Good round-trip deal

$123 or less

Good one-way deal

$84 or less
Provider with most accurate pricing for Dallas/Fort Worth-Ontario flight deals.
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Provider most trusted by Cheapflights users for Dallas/Fort Worth-Ontario flights.
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From Dallas/Fort Worth to Ontario
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One-way flight from Dallas/Fort Worth to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Dallas/Fort Worth to Ontario.
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Price to beat on a one-way flight from Dallas/Fort Worth to Ontario.
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Find flight deals from Dallas/Fort Worth to Ontario

Cheapest flights from Dallas/Fort Worth to Ontario
Explore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
sam. 5/104:27 pmDFW - ONT
Nonstop3h 20mFrontier
mar. 5/133:05 pmONT - DFW
Nonstop3h 15mFrontier
Deal found 4/14$81
This Delta deal was found by Cheapflights users on 4/13. 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. 6/108:15 amDFW - ONT
1 stop6h 02mDelta
mer. 7/910:59 pmONT - DFW
1 stop7h 38mDelta
Deal found 4/13$237
This American Airlines deal was found by Cheapflights users on 4/14. 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.
mar. 6/106:30 pmDFW - ONT
1 stop5h 08mAmerican Airlines
mar. 6/1011:59 pmONT - DFW
Nonstop3h 01mAmerican Airlines
Deal found 4/14$254

Cheapflights Fare Finder

Customize your flight search to find flights from Dallas/Fort Worth 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 avril 15, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Ontario that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Ontario

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

sam. 5/10

4:27 pm-5:47 pm

Nonstop3h 20m

Ontario

mar. 5/13

3:05 pm-8:20 pm

Nonstop3h 15m

$81

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mar. 6/10

8:15 am-12:17 pm

1 stop6h 02m

Ontario

mer. 7/9

10:59 pm-8:37 am

1 stop7h 38m

$237

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mar. 6/10

6:30 pm-9:38 pm

1 stop5h 08m

Ontario

mar. 6/10

11:59 pm-5:00 am

Nonstop3h 01m

$254

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mer. 5/14

4:27 pm-5:47 pm

Nonstop3h 20m

$48

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mer. 5/21

10:41 pm-11:43 pm

Nonstop3h 02m

$90

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

sam. 6/14

8:15 am-12:17 pm

1 stop6h 02m

$119

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mer. 6/18

6:16 pm-12:13 am

1 stop7h 57m

$195

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

mar. 5/20

7:00 am-3:09 pm

2 stops10h 09m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Dallas/Fort Worth to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dallas/Fort Worth to Ontario in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dallas/Fort Worth Airport-Ontario flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Dallas/Fort Worth Airport-Ontario flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Ontario flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dallas/Fort Worth Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Dallas/Fort Worth Airport to Ontario flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas/Fort Worth Airport to Ontario trip
Airports
DFW

DFW's Skylink Train connects all terminals every two minutes, ensuring quick and efficient movement between gates.

Read more about DFWby Chris Dong
ONT

For a convenient arrival, ONT offers easy access to I-10, connecting you to Los Angeles and beyond.

Read more about ONTby Bill Fink
Our travel experts
Bill Fink

Bill Fink

Expert on ONT

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more

Best time to book a flight from Dallas/Fort Worth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to Ontario

How far ahead should I book a flight from Dallas/Fort Worth Airport to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Ontario. Price data was last updated on April 11, 2025.

The price you pay for your flight from Dallas/Fort Worth Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Ontario?

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of $246). Flying from Dallas/Fort Worth Airport to Ontario in March is currently the most expensive (average of $328). 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 DFW to ONT?

Find hourly flight availability from Dallas/Fort Worth 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 avril 15, 2025.

When flying from Dallas/Fort Worth Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight at noon.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Ontario. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Ontario flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Ontario

Explore weekly flight availability from Dallas/Fort Worth 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 avril 15, 2025.

The most flights from DFW to ONT are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 avril 15, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Dallas to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Frontier
6.0
Okay
3,281 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth 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 Dallas/Fort Worth?

    For a flight from Dallas/Fort Worth to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 12 inbound flights from Dallas/Fort Worth per day. 5 airlines have flights to Ontario from Dallas/Fort Worth on a regular basis.

  • What are the cheapest airlines flying from Dallas/Fort Worth Airport to Ontario round-trip?

    Frontier, at $83, was found to be the cheapest airline from Dallas/Fort Worth Airport to Ontario.Alternate airlines to your destination round-trip include American Airlines and Delta. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Ontario one-way?

    $48 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $90 and $119, respectively.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Ontario on time: Frontier (75%), Qatar Airways (74%), American Airlines (65%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Ontario?

    Looking for the cheapest flight from Dallas/Fort Worth Airport to Ontario? While on average our users pay $153, our data indicates the cheapest price to be $39. The most popular route (Dallas/Fort Worth - Ontario), is priced around $125.

  • Can I find deals for flights from Dallas/Fort Worth to Ontario that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Ontario?

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

  • Can I find deals for business class flights from Dallas/Fort Worth to Ontario?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of $246). Flying from Dallas/Fort Worth Airport to Ontario in March is currently the most expensive (average of $328). 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 Dallas/Fort Worth to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Dallas/Fort Worth to Ontario

Discover the top 5 airlines that operate flights from Dallas/Fort Worth 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 avril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$177FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$89Average$162FlexibilityNo cancel feeOn-time65%
DeltaCheapest$157Average$233FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$165Average$340FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$368FlexibilityNo cancel feeOn-time63%

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