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Dallas/Fort Worth

$67+ Cheap flights from Ontario (ONT) to Dallas/Fort Worth (DFW)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Dallas/Fort Worth are usually found in April or August, booked 81 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dallas/Fort Worth (DFW). 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 July 3, 2025.

Round-trip from

$130
(Frontier)

One-way from

$67
(FlightHub)

Popular in

November

Cheapest in

April

Average price

$267

Good round-trip deal

$305 or less

Good one-way deal

$167 or less
From Ontario to Dallas/Fort Worth
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One-way flight from Ontario to Dallas/Fort Worth
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Highest demand for flights based on searches. 9% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Ontario to Dallas/Fort Worth.
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Price to beat on a one-way flight from Ontario to Dallas/Fort Worth.
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Find flight deals from Ontario to Dallas/Fort Worth

Cheapest flights from Ontario to Dallas/Fort Worth
Explore the most affordable flight options available from Ontario to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/1. 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.
Mon 8/48:09 pmONT - DFW
Nonstop3h 15mFrontier
Fri 9/1210:15 amDFW - ONT
Nonstop3h 18mFrontier
Deal found 7/1$130
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/2711:59 pmONT - DFW
Nonstop3h 01mAmerican Airlines
Sat 8/309:48 pmDFW - ONT
Nonstop3h 00mAmerican Airlines
Deal found 7/3$179

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Dallas/Fort Worth 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Dallas/Fort Worth Airport that are best for you.

Fly from

Ontario

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Mon 8/4

8:09 pm-1:24 am

Nonstop3h 15m

Dallas/Fort Worth

Fri 9/12

10:15 am-11:33 am

Nonstop3h 18m

$130

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 8/27

11:59 pm-5:00 am

Nonstop3h 01m

Dallas/Fort Worth

Tue 9/2

9:48 pm-10:48 pm

Nonstop3h 00m

$179

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Mon 8/4

12:59 am-9:35 am

1 stop6h 36m

$69

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 8/6

11:59 pm-5:00 am

Nonstop3h 01m

$90

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 8/26

7:10 am-4:55 pm

1 stop7h 45m

$101

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 9/10

6:04 am-3:58 pm

1 stop7h 54m

$108

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 8/28

9:50 am-5:15 pm

1 stop5h 25m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

The best insider tips for Ontario to Dallas/Fort Worth Airport 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 Ontario to Dallas/Fort Worth Airport trip
Airports
ONT

ONT offers a smooth security process with checkpoints in both terminals, often quicker than larger airports like LAX.

Read more about ONTby Bill Fink
DFW

Upon arrival at DFW, use the DART Orange Line for convenient access to downtown Dallas from Terminal A.

Read more about DFWby Chris Dong
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 Ontario to Dallas/Fort Worth

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Dallas/Fort Worth. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Dallas/Fort Worth Airport, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $216). Flying from Ontario to Dallas/Fort Worth Airport 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 DFW?

Find hourly flight availability from Ontario to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Dallas/Fort Worth Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Dallas/Fort Worth. Price data was last updated on June 29, 2025.

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

Weekly flight availability from Ontario to Dallas/Fort Worth Airport

Explore weekly flight availability from Ontario to Dallas/Fort Worth. 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 July 3, 2025.

The most flights from ONT to DFW are scheduled on a Thursday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Ontario to Dallas/Fort Worth Airport?

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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 Dallas/Fort Worth. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Ontario to Dallas/Fort Worth Airport, such as Delta, Hawaiian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Hawaiian Airlines
7.8
Good
2,545 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Frontier
5.9
Fair
3,284 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Dallas/Fort Worth. 6 airlines have flights from Ontario to Dallas/Fort Worth on a regular basis. Booking flights from Ontario to Dallas/Fort Worth should not be difficult; the airport handles an average of 7 outbound flights to Dallas/Fort Worth per day.

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

    Our cheapest airline available from Ontario to Dallas/Fort Worth Airport is Frontier. Our recent data shows that you can find tickets from as low as $130 on this airline. An additional option worth looking into is American Airlines, starting at $179. You may be able to fly from Ontario to Dallas/Fort Worth Airport for 44% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Ontario to Dallas/Fort Worth Airport are Frontier ($67), American Airlines ($90), and Hawaiian Airlines ($101).

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

    No one likes to see their flight delayed. When booking a flight from Ontario to Dallas/Fort Worth Airport consider choosing Frontier (77%), American Airlines (76%) or British Airways (76%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,347 for a flight from Ontario to Dallas/Fort Worth Airport. The cheapest flight overall is $102 while the most popular route, (Ontario - Dallas/Fort Worth) is currently priced at $143.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $216). Flying from Ontario to Dallas/Fort Worth Airport 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Fort Worth
Arlington
Richardson
Plano
Denton
Mansfield
Grapevine
Cedar Hill
Frisco
Allen
Durant
Saginaw
Rockwall
Burleson
Garland
McKinney
Weatherford
Denison
Granbury
Carrollton

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Top 6 airlines flying from Ontario to Dallas/Fort Worth

Discover the top 6 airlines that operate flights from Ontario to Dallas/Fort Worth. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$180FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$83Average$166FlexibilityNo cancel feeOn-time65%
DeltaCheapest$173Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$180Average$344FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$200Average$341FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$225Average$258FlexibilityNo cancel feeOn-time75%

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