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Dallas/Fort Worth

$75+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Dallas/Fort Worth are usually found in April or March, booked 35 days in advance, depart on a Thursday 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 septiembre 11, 2025.

Round-trip from

$125
(Cheapflightsfares)

One-way from

$75
(Cheapflightsfares)

Popular in

November

Cheapest in

April

Average price

$199

Good round-trip deal

$245 or less

Good one-way deal

$143 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. 8% potential increase in price ($23 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 September 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 septiembre 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
jue. 10/212:18 pmONT - DFW
Nonstop3h 14mFrontier
lun. 10/610:10 amDFW - ONT
Nonstop3h 18mFrontier
Deal found 9/11$125
This Frontier deal was found by Cheapflights users on 9/11. 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. 10/24:34 pmONT - DFW
Nonstop3h 12mFrontier
jue. 10/96:35 amDFW - ONT
Nonstop3h 14mFrontier
Deal found 9/11$126
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
jue. 10/94:17 pmONT - DFW
Nonstop3h 15mFrontier
jue. 11/139:17 amDFW - ONT
Nonstop3h 17mFrontier
Deal found 9/11$129
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/910:40 pmONT - DFW
1 stop22h 05mFrontier
lun. 10/136:35 amDFW - ONT
Nonstop3h 14mFrontier
Deal found 9/10$131
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
dom. 10/57:15 pmONT - DFW
Nonstop3h 10mFrontier
dom. 11/22:00 pmDFW - ONT
Nonstop3h 13mFrontier
Deal found 9/10$132
This Frontier deal was found by Cheapflights users on 9/10. 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.
dom. 10/57:15 pmONT - DFW
Nonstop3h 10mFrontier
dom. 10/126:35 amDFW - ONT
Nonstop3h 14mFrontier
Deal found 9/10$133
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/118:34 amONT - DFW
Nonstop3h 07mFrontier
mar. 10/147:35 amDFW - ONT
1 stop18h 15mFrontier
Deal found 9/10$134
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
vie. 11/78:24 amONT - DFW
Nonstop3h 07mFrontier
lun. 11/176:15 amDFW - ONT
Nonstop3h 14mFrontier
Deal found 9/10$136
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/188:34 amONT - DFW
Nonstop3h 07mFrontier
lun. 10/209:36 pmDFW - ONT
1 stop28h 14mFrontier
Deal found 9/10$138
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
jue. 9/189:46 pmONT - DFW
1 stop5h 54mFrontier
vie. 9/1910:10 amDFW - ONT
Nonstop3h 18mFrontier
Deal found 9/10$139
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:34 amONT - DFW
Nonstop3h 07mFrontier
dom. 10/266:35 amDFW - ONT
Nonstop3h 14mFrontier
Deal found 9/11$140

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 septiembre 11, 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

jue. 10/9

8:34 am-1:41 pm

Nonstop3h 07m

Dallas/Fort Worth

sáb. 10/11

2:22 pm-11:50 pm

1 stop11h 28m

$134

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 10/24

11:53 am-11:09 am

1 stop21h 16m

Dallas/Fort Worth

dom. 10/26

6:35 am-7:49 am

Nonstop3h 14m

$146

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 9/25

9:46 pm-5:40 am

1 stop5h 54m

Dallas/Fort Worth

sáb. 9/27

2:22 pm-7:54 pm

1 stop7h 32m

$161

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 9/26

8:59 pm-10:38 am

1 stop11h 39m

Dallas/Fort Worth

mar. 10/14

2:22 pm-11:50 pm

1 stop11h 28m

$165

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 9/25

12:18 pm-5:32 pm

Nonstop3h 14m

Dallas/Fort Worth

lun. 10/13

6:35 am-7:49 am

Nonstop3h 14m

$181

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 9/25

12:18 pm-5:32 pm

Nonstop3h 14m

Dallas/Fort Worth

dom. 9/28

5:03 pm-6:15 pm

Nonstop3h 12m

$192

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 10/7

7:04 am-9:15 pm

2 stops12h 11m

Dallas/Fort Worth

mié. 10/8

2:22 pm-11:50 pm

1 stop11h 28m

$197

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 9/25

7:30 pm-5:45 am

1 stop8h 15m

Dallas/Fort Worth

mié. 10/15

8:00 am-8:42 pm

1 stop14h 42m

$209

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 11/14

11:59 am-11:59 pm

1 stop10h 00m

Dallas/Fort Worth

lun. 11/17

8:00 am-3:17 pm

1 stop9h 17m

$218

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 11/14

11:59 am-11:59 pm

1 stop10h 00m

Dallas/Fort Worth

mar. 11/18

8:00 am-3:17 pm

1 stop9h 17m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results
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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 August 29, 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 35 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 septiembre 11, 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 45% 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 September 7, 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.

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 septiembre 11, 2025.
Read through reviews of airlines operating flights from Ontario to Dallas/Fort Worth Airport, such as Alaska Airlines, Southwest, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,177 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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 16 outbound flights to Dallas/Fort Worth per day.

  • How long is the flight from Ontario to Dallas/Fort Worth Airport?

    Frontier can get you from Ontario to Dallas/Fort Worth Airport in just under 3h 07m. Your travel time will be generally consistent. The distance from Ontario to Dallas/Fort Worth Airport is about 1185 mi. Generally, flights for this route are nonstop.

  • 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $83 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $85 and $181 round-trip. You may be able to fly from Ontario to Dallas/Fort Worth Airport for 64% 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 ($75), American Airlines ($80), and United Airlines ($87).

  • 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%), Iberia (68%) or American Airlines (65%) 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 $817 for a flight from Ontario to Dallas/Fort Worth Airport. The cheapest flight overall is $87 while the most popular route, (Ontario - Dallas/Fort Worth) is currently priced at $103.

  • 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 Dallas/Fort Worth Airport?

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

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$85Average$186FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$181Average$338FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$186Average$323FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$225Average$258FlexibilityNo cancel feeOn-time75%
DeltaCheapest$297Average$472FlexibilityNo cancel feeOn-timeN/A

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