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Dallas/Fort Worth

$71+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Find cheap flights from Ontario to Dallas/Fort Worth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Ontario to Dallas/Fort Worth are usually found in April or August, 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

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 February 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
-
DFW
1 stop14h 56m
Frontier
Wed 5/68:41 pm
DFW
-
ONT
1 stop12h 50m
Frontier
Deal found 2/7$127
This Frontier deal was found by Cheapflights users on 2/7. 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 3/26:43 pm
ONT
-
DFW
1 stop9h 04m
Frontier
Wed 3/411:55 am
DFW
-
ONT
1 stop11h 39m
Frontier
Deal found 2/7$138
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:40 pm
ONT
-
DFW
2 stops11h 47m
Frontier
Wed 3/115:17 pm
DFW
-
ONT
1 stop8h 42m
Frontier
Deal found 2/5$141
This CheapOair deal was found by Cheapflights users on 2/7. 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.
Wed 3/47:17 pm
ONT
-
DFW
1 stop8h 30m
Frontier
Wed 3/112:48 pm
DFW
-
ONT
Nonstop3h 27m
Frontier
Deal found 2/7$144
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:22 pm
ONT
-
DFW
1 stop8h 25m
Frontier
Sat 2/288:17 pm
DFW
-
ONT
1 stop5h 42m
Frontier
Deal found 2/6$151
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:44 pm
ONT
-
DFW
2 stops16h 29m
Frontier
Wed 4/294:15 pm
DFW
-
ONT
1 stop9h 40m
Frontier
Deal found 2/7$153
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
-
DFW
1 stop10h 15m
Frontier
Sat 2/288:17 pm
DFW
-
ONT
1 stop5h 42m
Frontier
Deal found 2/7$154
This Trip.com deal was found by Cheapflights users on 2/7. 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.
Sat 2/288:21 am
ONT
-
DFW
Nonstop3h 04m
Frontier
Mon 3/28:31 pm
DFW
-
ONT
1 stop5h 28m
Frontier
Deal found 2/7$155
This Super.com deal was found by Cheapflights users on 2/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:00 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Wed 3/112:48 pm
DFW
-
ONT
Nonstop3h 27m
Frontier
Deal found 2/5$158
This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:21 am
ONT
-
DFW
Nonstop3h 04m
Frontier
Sat 3/74:08 pm
DFW
-
ONT
Nonstop3h 31m
Frontier
Deal found 2/7$160

Find 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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Kiwi.com)

One-way from

$71
(Trip.com)

Popular in

November

Cheapest in

April

Average price

$256

Good round-trip deal

$286 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Ontario-Dallas/Fort Worth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Dallas/Fort Worth flights.
Search Deals
From Ontario to Dallas/Fort Worth
Search Deals
One-way flight from Ontario to Dallas/Fort Worth
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Dallas/Fort Worth.
Search Deals
Price to beat on a one-way flight from Ontario to Dallas/Fort Worth.
Search Deals

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 February 8, 2026.
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

Wed 4/22

6:00 am-1:54 pm

1 stop5h 54m

Dallas/Fort Worth

Wed 4/22

7:45 pm-11:44 pm

1 stop5h 59m

$239

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 5/12

7:05 am-5:42 pm

1 stop8h 37m

Dallas/Fort Worth

Tue 5/19

1:24 pm-11:34 pm

2 stops12h 10m

$244

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 4/1

10:25 pm-8:56 am

1 stop8h 31m

Dallas/Fort Worth

Wed 4/8

4:10 pm-11:51 pm

2 stops9h 41m

$244

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 3/18

1:20 pm-11:59 pm

2 stops8h 39m

Dallas/Fort Worth

Tue 3/31

8:15 am-12:23 pm

1 stop6h 08m

$244

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 4/21

7:00 am-9:37 pm

2 stops12h 37m

Dallas/Fort Worth

Tue 4/28

1:37 pm-11:44 pm

2 stops12h 07m

$249

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 5/12

11:52 am-11:35 pm

1 stop9h 43m

Dallas/Fort Worth

Sat 5/16

1:24 pm-10:45 pm

2 stops11h 21m

$290

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Sat 5/23

1:00 pm-11:30 pm

2 stops8h 30m

Dallas/Fort Worth

Tue 5/26

1:43 pm-5:18 pm

1 stop5h 35m

$292

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 3/12

12:57 pm-12:27 am

1 stop9h 30m

Dallas/Fort Worth

Tue 3/17

7:41 pm-11:51 pm

1 stop6h 10m

$292

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 3/12

12:57 pm-12:27 am

1 stop9h 30m

Dallas/Fort Worth

Wed 3/18

7:41 pm-11:51 pm

1 stop6h 10m

$292

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 5/12

9:50 am-11:54 pm

2 stops12h 04m

Dallas/Fort Worth

Mon 5/18

2:00 pm-9:54 pm

1 stop9h 54m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 23 results
1
2
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Compare providers for flights from Ontario to Dallas/Fort Worth

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 Ontario to Dallas/Fort Worth in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Super.comPrice 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 Ontario-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Dallas/Fort Worth Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Dallas/Fort Worth Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 6, 2026.

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, April is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $75). Flying from Ontario to Dallas/Fort Worth Airport in July is currently the most expensive (average of $109). 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 February 8, 2026.

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 44% 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 February 7, 2026.

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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Dallas/Fort Worth Airport trip
Our travel experts
Bill Fink

Bill Fink

Expert on ONT

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 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

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 February 8, 2026.
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
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,851 reviews
Alaska Airlines
8.0
Very good
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,281 reviews
Alaska Airlines
8.0
Very good
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,249 reviews
Alaska Airlines
8.0
Very good
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Spirit Airlines
6.3
Okay
8,430 reviews
Alaska Airlines
8.0
Very good
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,052 reviews
Alaska Airlines
8.0
Very good
11,851 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 11 outbound flights to Dallas/Fort Worth per day.

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

    Delta can get you from Ontario to Dallas/Fort Worth Airport in just under 5h 54m. Your travel time can differ by up to . The distance from Ontario to Dallas/Fort Worth Airport is about 1185 mi.

  • 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 $65 on this airline. Additional options worth looking into are Frontier and Delta, starting at $84 and $153 round-trip. You may be able to fly from Ontario to Dallas/Fort Worth Airport for 73% 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 ($43), Southwest ($79), and American Airlines ($89).

  • 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 Qatar Airways (89%), Volaris (83%) or Iberia (83%) 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 $802 for a flight from Ontario to Dallas/Fort Worth Airport. The cheapest flight overall is $49 while the most popular route, (Ontario - Dallas/Fort Worth) is currently priced at $164.

  • 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, April is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $75). Flying from Ontario to Dallas/Fort Worth Airport in July is currently the most expensive (average of $109). 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
Rockwall
Allen
Garland
Plano
Frisco
Cedar Hill
Mansfield
Richardson
Grapevine
McKinney
Denton
Durant
Burleson
Weatherford
Sherman
Cleburne
Granbury
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Dallas/Fort Worth

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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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$65Average$146FlexibilityNo cancel feeOn-time65%
FrontierCheapest$84Average$191FlexibilityNo cancel feeOn-time62%
DeltaCheapest$153Average$437FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$169Average$321FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$184Average$328FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$267FlexibilityNo cancel feeOn-time75%

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