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 ($66), American Airlines ($106), and Delta ($119).

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 American Airlines (83%), British Airways (82%) or Iberia (81%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Ontario to Dallas/Fort Worth Airport?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Ontario to Dallas/Fort Worth Airport.

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

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Dallas/Fort Worth Airport. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 45% on flights from Ontario to Dallas/Fort Worth Airport compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $176. For sooner than that we have options available in the next 3 days from $314.

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

The best pricing can be found in the month of September. Prices to Dallas/Fort Worth Airport from Ontario average $217. You can even find prices in September for less than $217, as users have found deals to Dallas/Fort Worth Airport from as low as $52. The month of December appears to be one of the more expensive times to travel to Dallas/Fort Worth Airport from Ontario. Flying in the targeted month can save you up to 30%.

Most accurate provider : When it comes to deals on Ontario-Dallas/Fort Worth Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Dallas/Fort Worth Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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. 5 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 18 outbound flights to Dallas/Fort Worth per day.

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.

$66+ Flights from Ontario to Dallas/Fort Worth Airport

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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

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/Fort Worth are usually found in April or August, booked 81 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Dallas/Fort Worth

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$114 (Cheapflightsfares)
One-way from	$66 (Cheapflightsfares)
Popular in	November
Cheapest in	April
Average price	$233
Good round-trip deal	$266 or less
Good one-way deal	$152 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. 9% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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

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 mayo 14, 2025.

jue. 8/2110:14 amONT - DFW

Nonstop3h 04mFrontier

dom. 8/248:00 amDFW - ONT

Nonstop3h 19mFrontier

Deal found 5/14

$114

jue. 8/217:10 amONT - DFW

1 stop7h 45mMultiple Airlines

dom. 8/248:00 amDFW - ONT

Nonstop3h 19mMultiple Airlines

Deal found 5/14

$202

jue. 6/1212:59 amONT - DFW

Nonstop2h 58mAmerican Airlines

mar. 6/1710:55 pmDFW - ONT

Nonstop3h 04mAmerican Airlines

Deal found 5/13

$226

mar. 8/510:05 pmONT - DFW

1 stop10h 03mDelta

sáb. 8/92:35 pmDFW - ONT

2 stops10h 12mDelta

Deal found 5/13

$242

mar. 8/56:10 pmONT - DFW

1 stop8h 30mAlaska Airlines

lun. 8/116:00 amDFW - ONT

1 stop9h 27mAlaska Airlines

Deal found 5/13

$245

vie. 10/37:10 amONT - DFW

1 stop7h 45mHawaiian Airlines

lun. 10/66:18 pmDFW - ONT

1 stop7h 41mHawaiian Airlines

Deal found 5/13

$278

Best flights from Ontario to Dallas/Fort Worth
Discover carefully curated flight deals from Ontario to Dallas/Fort Worth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 14, 2025.

jue. 8/2110:14 amONT - DFW

Nonstop3h 04mFrontier

dom. 8/248:00 amDFW - ONT

Nonstop3h 19mFrontier

Deal found 5/14

$114

mar. 8/56:10 pmONT - DFW

1 stop8h 30mMultiple Airlines

jue. 8/76:09 pmDFW - ONT

Nonstop3h 05mMultiple Airlines

Deal found 5/13

$177

mié. 7/1611:59 pmONT - DFW

Nonstop3h 03mAmerican Airlines

sáb. 7/1910:55 pmDFW - ONT

Nonstop2h 59mAmerican Airlines

Deal found 5/14

$209

sáb. 6/2811:49 amONT - DFW

1 stop10h 28mDelta

mié. 9/35:50 amDFW - ONT

1 stop7h 17mDelta

Deal found 5/13

$237

mar. 8/56:10 pmONT - DFW

1 stop8h 30mAlaska Airlines

dom. 8/106:00 amDFW - ONT

1 stop9h 26mAlaska Airlines

Deal found 5/13

$245

Last-minute flights from Ontario to Dallas/Fort Worth
Discover last-minute flight deals from Ontario to Dallas/Fort Worth. Data last updated mayo 14, 2025 and is based on user searches.

mar. 5/2011:59 pmONT - DFW

Nonstop2h 57mAmerican Airlines

jue. 5/2210:41 pmDFW - ONT

Nonstop3h 02mAmerican Airlines

Deal found 5/13

$480

mié. 5/216:00 amONT - DFW

2 stops9h 17mDelta

sáb. 5/318:00 amDFW - ONT

1 stop6h 15mDelta

Deal found 5/14

$351

jue. 5/228:38 pmONT - DFW

Nonstop3h 07mFrontier

sáb. 5/2411:11 amDFW - ONT

Nonstop3h 18mFrontier

Deal found 5/14

$131

vie. 5/237:30 amONT - DFW

2 stops14h 29mAlaska Airlines

dom. 5/257:30 amDFW - ONT

1 stop11h 36mAlaska Airlines

Deal found 5/13

$454

sáb. 5/245:10 amONT - DFW

2 stops11h 20mUnited Airlines

dom. 5/255:20 amDFW - ONT

2 stops9h 11mUnited Airlines

Deal found 5/14

$507

mié. 6/111:15 pmONT - DFW

1 stop5h 54mDelta

lun. 6/166:20 pmDFW - ONT

1 stop7h 26mDelta

Deal found 5/13

$250

jue. 6/1212:59 amONT - DFW

Nonstop2h 58mAmerican Airlines

mar. 6/1710:55 pmDFW - ONT

Nonstop3h 04mAmerican Airlines

Deal found 5/13

$226

vie. 6/138:09 pmONT - DFW

Nonstop3h 16mFrontier

lun. 6/166:05 pmDFW - ONT

Nonstop3h 09mFrontier

Deal found 5/13

$117

One-way flights from Ontario to Dallas/Fort Worth
Search for one-way flight options from Ontario to Dallas/Fort Worth. Find affordable one-way fares based on user searches. Data last updated mayo 14, 2025.

lun. 6/308:09 pmONT - DFW

Nonstop3h 16mFrontier

Deal found 5/13

$66

mié. 10/111:59 pmONT - DFW

Nonstop3h 01mAmerican Airlines

Deal found 5/14

$106

sáb. 6/146:00 amONT - DFW

1 stop6h 43mDelta

Deal found 5/14

$119

mar. 6/35:55 pmONT - DFW

1 stop8h 45mHawaiian Airlines

Deal found 5/13

$124

mar. 5/276:00 amONT - DFW

1 stop7h 53mAlaska Airlines

Deal found 5/13

$149

mié. 6/45:10 amONT - DFW

2 stops11h 12mUnited Airlines

Deal found 5/13

$189

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 7/10

8:09 pm-1:24 am

Nonstop3h 15m

Dallas/Fort Worth

sáb. 7/12

6:09 pm-7:14 pm

Nonstop3h 05m

$114

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 6/12

12:59 am-5:57 am

Nonstop2h 58m

Dallas/Fort Worth

mar. 6/17

10:55 pm-11:59 pm

Nonstop3h 04m

$226

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 8/5

10:05 pm-10:08 am

1 stop10h 03m

Dallas/Fort Worth

sáb. 8/9

2:35 pm-10:47 pm

2 stops10h 12m

$242

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 8/5

6:10 pm-4:40 am

1 stop8h 30m

Dallas/Fort Worth

dom. 8/10

6:00 am-1:26 pm

1 stop9h 26m

$245

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 6/30

8:09 pm-1:25 am

Nonstop3h 16m

$66

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 6/10

11:59 pm-5:00 am

Nonstop3h 01m

$115

OntarioDallas

ONT - DFW

ONTDFW

Ontario

sáb. 6/14

6:00 am-2:43 pm

1 stop6h 43m

$119

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 6/3

5:55 pm-4:40 am

1 stop8h 45m

$124

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 5/27

6:00 am-3:53 pm

1 stop7h 53m

$149

OntarioDallas

ONT - DFW

ONTDFW

Ontario

lun. 6/9

6:41 pm-8:54 am

2 stops12h 13m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Compare providers for flights from Ontario to Dallas/Fort Worth

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Dallas/Fort Worth Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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

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.

DFW

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

Our travel experts

Bill Fink

Expert on ONT

Chris Dong

Expert on DFW

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?

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?

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 40% 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?

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

The most flights from ONT to DFW are scheduled on a Monday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Dallas/Fort Worth by month

In terms of precipitation, rainfall in Dallas/Fort Worth Airport ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas/Fort Worth Airport when rainfall is around 1.9 in.

Temperature in Dallas/Fort Worth by month

If weather is an important factor for your trip to Dallas/Fort Worth Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Dallas/Fort Worth

To help decide which airline to fly from Ontario to Dallas, see what other customers have to say about Alaska Airlines, Delta and Hawaiian 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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,946 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,434 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,730 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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. 5 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 18 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 $114 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $209 and $237 round-trip. You may be able to fly from Ontario to Dallas/Fort Worth Airport for 51% 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 ($66), American Airlines ($106), and Delta ($119).
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 American Airlines (83%), British Airways (82%) or Iberia (81%) 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 $830 for a flight from Ontario to Dallas/Fort Worth Airport. The cheapest flight overall is $72 while the most popular route, (Ontario - Dallas/Fort Worth) is currently priced at $100.
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.

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Top 5 airlines flying from Ontario to Dallas/Fort Worth

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$77	Average$185	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$100	Average$175	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$173	Average$398	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$180	Average$346	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$200	Average$346	FlexibilityNo cancel fee	On-time63%

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$66+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Dallas/Fort Worth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Wednesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Dallas/Fort Worth

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to Dallas/Fort Worth

Cheapest flights from Ontario to Dallas/Fort WorthExplore 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 mayo 14, 2025.

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 mayo 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Dallas/Fort Worth Airport that are best for you.

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 May.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Dallas/Fort Worth Airport trip

Airports

ONT

DFW

Our travel experts

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.

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 May 9, 2025.

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

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 mayo 14, 2025.

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 May 11, 2025.

Weekly flight availability from Ontario to Dallas/Fort Worth Airport

Rainfall in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average rainfall totals by month.

Temperature in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average temperature totals by month.

Reviews of airlines servicing Dallas/Fort Worth

To help decide which airline to fly from Ontario to Dallas, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

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Alternative routes for Ontario to Dallas/Fort Worth

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Top 5 airlines flying from Ontario to Dallas/Fort Worth

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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 mayo 14, 2025.