HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$56+ Cheap flights from Ontario (ONT) to Dallas

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Dallas 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Ontario to Dallas are usually found in April or March, booked 35 days in advance, depart on a Thursday or Saturday and return on a Thursday

Find flight deals from Ontario to Dallas

Cheapest flights from Ontario to Dallas
Explore the most affordable flight options available from Ontario to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:22 pmONT - DFW
Nonstop3h 01mFrontier
vie. 1/26:00 amDFW - ONT
Nonstop3h 19mFrontier
Deal found 11/6$133
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:12 pmONT - DFW
Nonstop3h 04mFrontier
sáb. 12/66:00 amDFW - ONT
1 stop10h 25mFrontier
Deal found 11/6$135
This Flightnetwork deal was found by Cheapflights users on 11/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:19 pmONT - DFW
Nonstop3h 03mFrontier
sáb. 2/78:00 pmDFW - ONT
1 stop5h 59mFrontier
Deal found 11/6$136
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/53:20 pmONT - DFW
1 stop7h 00mFrontier
dom. 12/77:30 amDFW - ONT
1 stop18h 01mFrontier
Deal found 11/6$138
This Frontier deal was found by Cheapflights users on 11/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:22 pmONT - DFW
Nonstop3h 01mFrontier
lun. 1/122:39 pmDFW - ONT
1 stop8h 38mFrontier
Deal found 11/6$139
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2012:58 amONT - DFW
1 stop21h 19mFrontier
vie. 12/127:30 amDFW - ONT
1 stop18h 18mFrontier
Deal found 11/6$141
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
sáb. 11/2212:58 amONT - DFW
1 stop7h 08mFrontier
mar. 11/259:36 amDFW - ONT
1 stop6h 50mFrontier
Deal found 11/6$143
This Frontier deal was found by Cheapflights users on 11/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/215:06 pmONT - DFW
1 stop10h 42mFrontier
mié. 11/265:15 amDFW - ONT
1 stop8h 13mFrontier
Deal found 11/5$144
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/3012:58 amONT - DFW
1 stop21h 19mFrontier
jue. 12/48:38 pmDFW - ONT
1 stop19h 47mFrontier
Deal found 11/6$145
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
mar. 12/912:30 pmONT - DFW
Nonstop3h 05mFrontier
sáb. 12/1310:45 amDFW - ONT
2 stops28h 40mFrontier
Deal found 11/5$146
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
dom. 12/72:30 pmONT - DFW
1 stop23h 03mFrontier
dom. 12/1410:38 pmDFW - ONT
1 stop17h 26mFrontier
Deal found 11/5$147
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
mar. 12/234:41 pmONT - DFW
Nonstop3h 01mFrontier
dom. 1/46:05 amDFW - ONT
Nonstop3h 19mFrontier
Deal found 11/5$148

Cheap flight deals from Ontario to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dallas (A78). 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 noviembre 6, 2025.

Round-trip from

$135
(CheapOair)

One-way from

$56
(Frontier)

Popular in

June

Cheapest in

April

Average price

$278
From Ontario to Dallas
Search Deals
One-way flight from Ontario to Dallas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Dallas 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Ontario to Dallas that are best for you.

Fly from

Ontario

Fly to

Dallas

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

sáb. 11/22

6:30 am-1:50 pm

1 stop5h 20m

Dallas/Fort Worth

dom. 11/23

10:45 pm-9:06 pm

1 stop24h 21m

$144

OntarioDallas

ONT - DAL

ONTDAL

Ontario

lun. 12/8

2:50 pm-9:55 pm

1 stop5h 05m

Dallas Love Field

mié. 12/10

6:00 pm-7:15 pm

Nonstop3h 15m

$169

OntarioDallas

ONT - DAL

ONTDAL

Ontario

vie. 12/12

1:05 pm-8:10 pm

1 stop5h 05m

Dallas Love Field

lun. 12/15

6:15 am-9:35 am

1 stop5h 20m

$179

OntarioDallas

ONT - DAL

ONTDAL

Ontario

jue. 12/4

12:35 pm-9:15 pm

1 stop6h 40m

Dallas Love Field

jue. 12/11

7:15 am-12:00 pm

1 stop6h 45m

$189

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 12/1

6:12 pm-11:16 pm

Nonstop3h 04m

Dallas/Fort Worth

jue. 12/4

5:16 pm-6:35 pm

Nonstop3h 19m

$191

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 12/1

5:06 pm-9:08 pm

1 stop26h 02m

Dallas/Fort Worth

mié. 12/10

10:38 pm-9:17 pm

1 stop24h 39m

$209

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 11/24

6:16 pm-11:20 pm

Nonstop3h 04m

Dallas/Fort Worth

sáb. 11/29

2:50 pm-9:06 pm

1 stop8h 16m

$211

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 11/17

7:54 am-1:08 pm

Nonstop3h 14m

Dallas/Fort Worth

lun. 11/24

6:00 am-7:20 am

Nonstop3h 20m

$215

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 11/17

7:54 am-1:08 pm

Nonstop3h 14m

Dallas/Fort Worth

dom. 11/23

7:35 am-8:59 am

Nonstop3h 24m

$215

OntarioDallas

ONT - DFW

ONTDFW

Ontario

sáb. 12/13

12:40 pm-11:50 pm

1 stop9h 10m

Dallas/Fort Worth

lun. 12/15

4:27 pm-10:47 pm

1 stop8h 20m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Ontario to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas 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

How far ahead should I book a flight from Ontario to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Dallas. Price data was last updated on October 31, 2025.

The best time to book flights from Ontario to Dallas is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Dallas?

Currently, April is the cheapest month in which you can book a flight from Ontario to Dallas (average of $69). Flying from Ontario to Dallas 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Dallas in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Ontario to Dallas?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Dallas. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Ontario to Dallas

Explore weekly flight availability from Ontario to Dallas. 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 noviembre 6, 2025.

The most flights from ONT to A78 are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Ontario to Dallas?

The best insider tips for Ontario to Dallas 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 trip
Airports
ONT

ONT offers quick security checks at both terminals, making it a convenient choice for business travelers avoiding LAX's long lines.

Read more about ONTby Bill Fink
DFW

DFW offers easy terminal connections via Skylink, making navigation smooth for arriving passengers.

Read more about DFWby Chris Dong
DAL

DAL's proximity to downtown makes it a convenient choice, with rideshares and public transit options readily available.

Read more about DALby Paul Rubio
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
Paul Rubio

Paul Rubio

Expert on DAL

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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. Reviews last updated noviembre 6, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and American Airlines from Ontario to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
11,242 reviews
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
4,240 reviews
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
11,040 reviews
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
8,115 reviews
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
3,116 reviews
Alaska Airlines
8.0
Very good
11,242 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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. 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?

    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. 6 airlines have flights from Ontario to Dallas on a regular basis. Booking flights from Ontario to Dallas should not be difficult; the airport handles an average of 14 outbound flights to Dallas per day.

  • How long is the flight from Ontario to Dallas?

    Airlines like Frontier and Southwest fly from Ontario to Dallas in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 15m. Airlines will cover a distance of 1196 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to Dallas round-trip?

    Our cheapest airline available from Ontario to Dallas is Spirit Airlines. Our recent data shows that you can find tickets from as low as $78 on this airline. Additional options worth looking into are Frontier and Delta, starting at $89 and $153 round-trip. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Dallas one-way?

    $80 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $109 and $109, respectively.

  • What are the most reliable airlines from Ontario to Dallas?

    Consider Iberia (81%), American Airlines (79%) or British Airways (77%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Dallas.

  • What are the cheapest flights from Ontario to Dallas?

    The cheapest flight price from Ontario to Dallas is $85. On average you can expect to pay $1,001. The most popular route, (Ontario - Dallas/Fort Worth), can usually be booked for $63.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Dallas 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?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Dallas (average of $69). Flying from Ontario to Dallas 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Los Angeles to Austin flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
San Francisco to Hobby flights
Ontario to Dallas/Fort Worth flights
San Francisco to Austin flights
Ontario to Hobby flights
San Francisco to George Bush Intcntl flights
San Jose to Dallas/Fort Worth flights
Burbank to Dallas/Fort Worth flights
Ontario to George Bush Intcntl flights
Los Angeles to Love Field flights
San Diego to Hobby flights
San Diego to Dallas/Fort Worth flights
Los Angeles to San Antonio flights
Santa Ana to Hobby flights
Santa Ana to George Bush Intcntl flights
San Diego to George Bush Intcntl flights
Burbank to Hobby flights
Oakland to Dallas/Fort Worth flights
San Francisco to Love Field flights
Sacramento to Hobby flights
Las Vegas to Dallas/Fort Worth flights
Sacramento to Dallas/Fort Worth flights
Ontario to Austin flights
Las Vegas to Hobby flights
Burbank to George Bush Intcntl flights
Santa Ana to Austin flights
Ontario to San Antonio flights
San Jose to Austin flights
Long Beach to Dallas/Fort Worth flights
San Diego to Austin flights
Santa Ana to San Antonio flights
Sacramento to George Bush Intcntl flights
San Jose to Love Field flights
San Jose to Hobby flights
Las Vegas to George Bush Intcntl flights
Ontario to Love Field flights
San Francisco to San Antonio flights
San Jose to George Bush Intcntl flights
Los Angeles to El Paso flights
Fresno to Dallas/Fort Worth flights
Santa Ana to Love Field flights
Oakland to Austin flights
Oakland to Hobby flights
San Diego to Love Field flights
Burbank to San Antonio flights

Top 6 airlines flying from Ontario to Dallas

Discover the top 6 airlines that operate flights from Ontario to Dallas. 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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$89Average$195FlexibilityNo cancel feeOn-time62%
DeltaCheapest$153Average$472FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$161Average$345FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$183Average$501FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$225Average$267FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.