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$55+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Ontario to Dallas are usually found in August or September, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 February 20, 2025.

Round-trip from

$94
(Cheapflightsfares)

One-way from

$55
(Cheapflightsfares)

Popular in

June

Cheapest in

August

Average price

$218
From Ontario to Dallas
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One-way flight from Ontario to Dallas
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Highest demand for flights based on searches. 10% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/186:59 pmONT - DFW
Nonstop2h 56mFrontier
Fri 3/215:45 pmDFW - ONT
Nonstop3h 28mFrontier
Deal found 2/19$94
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:40 amONT - DFW
1 stop8h 04mDelta
Sat 3/293:35 pmDFW - ONT
1 stop9h 08mDelta
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:42 pmONT - DAL
1 stop7h 01mDelta
Sat 4/123:02 pmDAL - ONT
1 stop9h 34mDelta
Deal found 2/20$245
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/97:00 amONT - DAL
Nonstop2h 55mSouthwest
Mon 4/146:20 pmDAL - ONT
Nonstop3h 10mSouthwest
Deal found 2/20$264
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:00 amONT - DAL
1 stop10h 38mAlaska Airlines
Sun 3/307:38 pmDAL - ONT
1 stop30h 21mAlaska Airlines
Deal found 2/20$309

Find flights from Ontario to Dallas within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Dallas

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 3/18

6:59 pm-11:55 pm

Nonstop2h 56m

Dallas/Fort Worth

Fri 3/21

5:45 pm-7:13 pm

Nonstop3h 28m

$94

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 3/18

5:40 am-3:44 pm

1 stop8h 04m

Dallas/Fort Worth

Sat 3/29

3:35 pm-10:43 pm

1 stop9h 08m

$237

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Mon 4/7

12:42 pm-9:43 pm

1 stop7h 01m

Dallas Love Field

Sat 4/12

3:02 pm-10:36 pm

1 stop9h 34m

$245

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 4/9

7:00 am-11:55 am

Nonstop2h 55m

Dallas Love Field

Mon 4/14

6:20 pm-7:30 pm

Nonstop3h 10m

$264

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 3/26

6:00 am-6:38 pm

1 stop10h 38m

Dallas Love Field

Sun 3/30

7:38 pm-11:59 pm

1 stop30h 21m

$309

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 3/5

6:58 pm-11:54 pm

Nonstop2h 56m

$55

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 5/20

7:30 am-12:29 pm

Nonstop2h 59m

$90

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Sat 5/10

9:50 am-2:45 pm

Nonstop2h 55m

$90

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 4/2

6:00 am-6:38 pm

1 stop10h 38m

$103

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Wed 3/12

6:00 am-6:29 pm

1 stop10h 29m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
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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.

Travel insights for flights from Ontario to Dallas

Get recent, data-driven insights about flights from Ontario to Dallas including ideal travel times, pricing trends, and more.

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 February 14, 2025.

The best time to book flights from Ontario to Dallas is 81 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, August is the cheapest month in which you can book a flight from Ontario to Dallas (average of $216). Flying from Ontario to Dallas in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Ontario to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 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 42% on your trip compared to booking a flight in the evening.

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 Thursday afternoons 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 February 20, 2025.

The most flights from ONT to A78 are scheduled on a Thursday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Dallas by month

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

In terms of precipitation, rainfall in Dallas 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 when rainfall is around 1.9 in.

Temperature in Dallas by month

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

If weather is an important factor for your trip to Dallas, 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

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 February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Ontario to Dallas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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. 5 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 13 outbound flights to Dallas per day.

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

    Our cheapest airline available from Ontario to Dallas is Frontier. Our recent data shows that you can find tickets from as low as $94 on this airline. Additional options worth looking into are Southwest and Delta, starting at $199 and $237 round-trip. These flights start at 61% lower than the current average price 3 months from now.

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

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $90 and $90, respectively.

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

    Consider American Airlines (84%), British Airways (82%) or Iberia (82%) 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 $81. On average you can expect to pay $856. The most popular route, (Ontario - Dallas/Fort Worth), can usually be booked for $55.

  • 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, August is the cheapest month in which you can book a flight from Ontario to Dallas (average of $216). Flying from Ontario to Dallas 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

Discover the top 5 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$172FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$91Average$167FlexibilityNo cancel feeOn-time65%
DeltaCheapest$149Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$182Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$185Average$371FlexibilityNo cancel feeOn-time63%
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