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

Frontier, at $98, was found to be the cheapest airline from Dallas/Fort Worth Airport to Ontario.Alternate airlines to your destination round-trip include Delta and American Airlines. Frontier is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

$50 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $109 and $119, respectively.

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

Looking for the cheapest flight from Dallas/Fort Worth Airport to Ontario? While on average our users pay $151, our data indicates the cheapest price to be $39. The most popular route (Dallas/Fort Worth - Ontario), is priced around $101.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Ontario on time: Qatar Airways (84%), American Airlines (81%), Iberia (77%).

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

American Airlines, Delta and Frontier are the most popular airlines when flying from Dallas/Fort Worth Airport to Ontario.

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

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 56% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Dallas/Fort Worth Airport to Ontario at least 39 days early can save you up to 75% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Dallas/Fort Worth Airport to Ontario for as little as $168 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $329 for flights departing within the next 3 days.

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

Our data shows that September tends to be the cheapest month to fly to Ontario from Dallas/Fort Worth Airport. Users have commonly found prices around $202 for the month, but tickets can be as low as $50. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Dallas/Fort Worth Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dallas/Fort Worth Airport-Ontario 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 Dallas/Fort Worth Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Ontario from Dallas/Fort Worth?

For a flight from Dallas/Fort Worth to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 9 inbound flights from Dallas/Fort Worth per day. 5 airlines have flights to Ontario from Dallas/Fort Worth on a regular basis.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$50+ Flights from Dallas/Fort Worth Airport to Ontario

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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”

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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.

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Cheapflights Tip: The best prices from Dallas/Fort Worth to Ontario are usually found in September or February, booked 48 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Dallas/Fort Worth to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$98 (Cheapflightsfares)
One-way from	$50 (Cheapflightsfares)
Popular in	January
Cheapest in	September
Average price	$190
Good round-trip deal	$100 or less
Good one-way deal	$79 or less

Provider with most accurate pricing for Dallas/Fort Worth-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dallas/Fort Worth-Ontario flights.

Search Deals

From Dallas/Fort Worth to Ontario

Search Deals

One-way flight from Dallas/Fort Worth to Ontario

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Dallas/Fort Worth to Ontario.

Search Deals

Price to beat on a one-way flight from Dallas/Fort Worth to Ontario.

Search Deals

Find flight deals from Dallas/Fort Worth to Ontario

Cheapest flights from Dallas/Fort Worth to Ontario
Explore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Fri 4/183:26 pmDFW - ONT

Nonstop3h 25mFrontier

Mon 4/216:03 pmONT - DFW

Nonstop3h 03mFrontier

Deal found 3/26

$98

Thu 4/176:05 amDFW - ONT

Nonstop3h 24mMultiple Airlines

Mon 4/217:17 pmONT - DFW

1 stop8h 25mMultiple Airlines

Deal found 3/26

$205

Wed 7/28:10 amDFW - ONT

1 stop6h 08mDelta

Tue 7/151:00 pmONT - DFW

1 stop6h 07mDelta

Deal found 3/26

$237

Best flights from Dallas/Fort Worth to Ontario
Discover carefully curated flight deals from Dallas/Fort Worth to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2025.

Fri 4/186:55 amDFW - ONT

Nonstop3h 24mFrontier

Sat 4/198:39 amONT - DFW

Nonstop3h 14mFrontier

Deal found 3/26

$98

Fri 5/94:27 pmDFW - ONT

Nonstop3h 20mMultiple Airlines

Sat 5/176:00 amONT - DFW

1 stop7h 53mMultiple Airlines

Deal found 3/25

$194

Tue 4/1512:39 pmDFW - ONT

1 stop5h 54mDelta

Sat 4/196:00 amONT - DFW

1 stop6h 04mDelta

Deal found 3/25

$237

Sat 5/243:37 pmDFW - ONT

1 stop4h 46mAmerican Airlines

Wed 5/2811:59 pmONT - DFW

Nonstop2h 57mAmerican Airlines

Deal found 3/25

$266

Fri 4/185:51 pmDFW - ONT

1 stop8h 08mAlaska Airlines

Mon 4/217:17 pmONT - DFW

1 stop8h 25mAlaska Airlines

Deal found 3/26

$291

Last-minute flights from Dallas/Fort Worth to Ontario
Discover last-minute flight deals from Dallas/Fort Worth to Ontario. Data last updated March 27, 2025 and is based on user searches.

Tue 4/11:02 pmDFW - ONT

1 stop9h 47mMultiple Airlines

Sat 4/55:44 pmONT - DFW

2 stops9h 58mMultiple Airlines

Deal found 3/26

$463

Tue 4/19:30 amDFW - ONT

1 stop10h 53mHawaiian Airlines

Thu 4/36:00 amONT - DFW

1 stop8h 51mHawaiian Airlines

Deal found 3/25

$604

Wed 4/25:34 pmDFW - ONT

Nonstop3h 24mFrontier

Tue 4/156:59 pmONT - DFW

Nonstop3h 03mFrontier

Deal found 3/25

$119

Wed 4/28:51 amDFW - ONT

2 stops11h 00mUnited Airlines

Sat 4/51:35 pmONT - DFW

1 stop8h 09mUnited Airlines

Deal found 3/26

$382

Wed 4/29:30 amDFW - ONT

1 stop10h 53mAlaska Airlines

Tue 4/157:00 amONT - DFW

2 stops14h 59mAlaska Airlines

Deal found 3/25

$544

Thu 4/34:00 pmDFW - ONT

2 stops9h 52mDelta

Mon 4/711:42 amONT - DFW

1 stop9h 55mDelta

Deal found 3/25

$623

Sat 4/510:25 amDFW - ONT

Nonstop3h 21mAmerican Airlines

Sun 4/611:59 pmONT - DFW

Nonstop2h 52mAmerican Airlines

Deal found 3/25

$797

Tue 4/1512:39 pmDFW - ONT

1 stop5h 54mDelta

Sat 4/196:00 amONT - DFW

1 stop6h 04mDelta

Deal found 3/25

$237

Fri 4/186:55 amDFW - ONT

Nonstop3h 24mFrontier

Sat 4/198:39 amONT - DFW

Nonstop3h 14mFrontier

Deal found 3/26

$98

Fri 4/185:51 pmDFW - ONT

1 stop8h 08mAlaska Airlines

Mon 4/217:17 pmONT - DFW

1 stop8h 25mAlaska Airlines

Deal found 3/26

$291

Wed 4/2312:13 pmDFW - ONT

Nonstop3h 24mMultiple Airlines

Wed 4/3011:46 amONT - DFW

1 stop10h 13mMultiple Airlines

Deal found 3/25

$188

Wed 4/232:22 pmDFW - ONT

1 stop8h 07mHawaiian Airlines

Wed 4/306:00 amONT - DFW

1 stop10h 33mHawaiian Airlines

Deal found 3/26

$269

One-way flights from Dallas/Fort Worth to Ontario
Search for one-way flight options from Dallas/Fort Worth to Ontario. Find affordable one-way fares based on user searches. Data last updated March 27, 2025.

Tue 4/2212:13 pmDFW - ONT

Nonstop3h 24mFrontier

Deal found 3/26

$50

Wed 5/77:33 pmDFW - ONT

1 stop17h 18mAlaska Airlines

Deal found 3/26

$109

Sat 5/246:07 pmDFW - ONT

1 stop6h 09mDelta

Deal found 3/26

$119

Tue 4/222:22 pmDFW - ONT

1 stop8h 07mHawaiian Airlines

Deal found 3/26

$135

Mon 4/285:33 pmDFW - ONT

1 stop6h 25mUnited Airlines

Deal found 3/26

$152

Mon 4/284:35 pmDFW - ONT

1 stop7h 23mAmerican Airlines

Deal found 3/26

$165

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 4/18

3:26 pm-4:51 pm

Nonstop3h 25m

Ontario

Mon 4/21

6:03 pm-11:06 pm

Nonstop3h 03m

$98

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 4/18

6:55 am-8:19 am

Nonstop3h 24m

Ontario

Mon 4/21

7:17 pm-5:42 am

1 stop8h 25m

$199

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 7/2

8:10 am-12:18 pm

1 stop6h 08m

Ontario

Tue 7/15

1:00 pm-9:07 pm

1 stop6h 07m

$237

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 6/6

9:59 pm-11:02 pm

Nonstop3h 03m

Ontario

Mon 6/9

12:59 am-5:57 am

Nonstop2h 58m

$286

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 4/18

5:51 pm-11:59 pm

1 stop8h 08m

Ontario

Mon 4/21

7:17 pm-5:42 am

1 stop8h 25m

$291

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 5/14

4:27 pm-5:47 pm

Nonstop3h 20m

$50

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 5/7

7:33 pm-10:51 am

1 stop17h 18m

$109

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 5/24

6:07 pm-10:16 pm

1 stop6h 09m

$119

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 5/24

8:42 am-9:50 am

Nonstop3h 08m

$130

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 4/22

2:22 pm-8:29 pm

1 stop8h 07m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 11 results

Compare providers for flights from Dallas/Fort Worth to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dallas/Fort Worth to Ontario in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price 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 Dallas/Fort Worth Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Ontario 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 Dallas/Fort Worth Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Airports

DFW

DFW's Skylink Train connects all terminals every two minutes, ensuring quick and efficient movement between gates.

ONT

For a convenient arrival, ONT offers easy access to I-10, connecting you to Los Angeles and beyond.

Our travel experts

Bill Fink

Expert on ONT

Chris Dong

Expert on DFW

Best time to book a flight from Dallas/Fort Worth to Ontario

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

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

The price you pay for your flight from Dallas/Fort Worth Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of $246). Flying from Dallas/Fort Worth Airport to Ontario in March is currently the most expensive (average of $326). 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 DFW to ONT?

When flying from Dallas/Fort Worth Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight in the afternoon.

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

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

Weekly flight availability from Dallas/Fort Worth Airport to Ontario

The most flights from DFW to ONT are scheduled on a Tuesday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Dallas to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,795 reviews

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,895 reviews

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines

7.9

Good

2,334 reviews

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines

7.4

Good

8,603 reviews

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,795 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What airport do you fly into for flights to Ontario from Dallas/Fort Worth?
For a flight from Dallas/Fort Worth to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 9 inbound flights from Dallas/Fort Worth per day. 5 airlines have flights to Ontario from Dallas/Fort Worth on a regular basis.
What are the cheapest airlines flying from Dallas/Fort Worth Airport to Ontario round-trip?
Frontier, at $98, was found to be the cheapest airline from Dallas/Fort Worth Airport to Ontario.Alternate airlines to your destination round-trip include Delta and American Airlines. Frontier is priced at 53% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Ontario one-way?
$50 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $109 and $119, respectively.
What are the most reliable airlines from Dallas/Fort Worth Airport to Ontario?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Ontario on time: Qatar Airways (84%), American Airlines (81%), Iberia (77%).
What are the cheapest flights from Dallas/Fort Worth Airport to Ontario?
Looking for the cheapest flight from Dallas/Fort Worth Airport to Ontario? While on average our users pay $151, our data indicates the cheapest price to be $39. The most popular route (Dallas/Fort Worth - Ontario), is priced around $101.
Can I find deals for flights from Dallas/Fort Worth to Ontario that include hotel bookings?
Yes. In addition to deals on Dallas/Fort Worth to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dallas/Fort Worth to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to Ontario.
Can I find deals for business class flights from Dallas/Fort Worth to Ontario?
Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Ontario 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 Dallas/Fort Worth Airport to Ontario?
Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of $246). Flying from Dallas/Fort Worth Airport to Ontario in March is currently the most expensive (average of $326). 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

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Top 5 airlines flying from Dallas/Fort Worth to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$68	Average$176	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$89	Average$164	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$157	Average$283	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$168	Average$341	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$200	Average$377	FlexibilityNo cancel fee	On-time63%

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$50+ Cheap flights from Dallas/Fort Worth (DFW) to Ontario (ONT)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas/Fort Worth to Ontario 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 Dallas/Fort Worth to Ontario are usually found in September or February, booked 48 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Dallas/Fort Worth to Ontario

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 Dallas/Fort Worth to Ontario

Cheapest flights from Dallas/Fort Worth to OntarioExplore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Explore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Dallas/Fort Worth to Ontario

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 Dallas/Fort Worth to Ontario in March.

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

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

Airports

DFW

ONT

Our travel experts

Best time to book a flight from Dallas/Fort Worth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dallas/Fort Worth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Ontario

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Ontario. Price data was last updated on March 21, 2025.

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

What is the cheapest time of day to fly from DFW to ONT?

Find hourly flight availability from Dallas/Fort Worth to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Ontario. Price data was last updated on March 23, 2025.

Weekly flight availability from Dallas/Fort Worth Airport to Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Dallas to Ontario. 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 Dallas/Fort Worth to Ontario. 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 into for flights to Ontario from Dallas/Fort Worth?

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

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

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

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

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

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

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

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

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Alternative routes for Dallas/Fort Worth to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Dallas/Fort Worth to Ontario

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Cheapest flights from Dallas/Fort Worth to Ontario
Explore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.