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Cheap flights from Ontario to Dallas/Fort Worth Airport from C$ 270

ONT — DFW
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Dallas/Fort Worth

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Dallas/Fort Worth

Sat 26/95:31 p.m. -
Nonstop3h 18m
Mon 12/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 296
Fri 6/118:03 p.m. -
Nonstop3h 05m
Sun 8/115:47 p.m. -
Nonstop3h 21m
Deal found 10/9C$ 301
Sat 26/95:31 p.m. -
Nonstop3h 18m
Fri 16/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 310
Tue 22/95:31 p.m. -
Nonstop3h 18m
Mon 12/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 333
Sun 20/911:45 a.m. -
1 stop10h 35m
Mon 12/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 336
Tue 22/95:31 p.m. -
Nonstop3h 18m
Fri 16/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 347
Sun 20/98:24 p.m. -
1 stop7h 17m
Fri 16/105:51 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 350
Sat 26/95:31 p.m. -
Nonstop3h 18m
Thu 15/105:48 p.m. -
Nonstop3h 17m
Deal found 12/9C$ 353

Find flight deals from Ontario to Dallas/Fort Worth

Round-trip from

C$ 296

One-way from

C$ 270

Popular in

June

Cheapest in

December

Average price

C$ 456

Good one-way deal

C$ 389 or less
Frontier
  • Frontier
  • 26/9-12/10
  • Nonstop
  • 6h 35m total
  • Ontario to Dallas
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Delta
  • Delta
  • 6/10-31/12
  • 2 total stops
  • 13h 09m total
  • Ontario to Dallas
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Highest demand for flights based on searches. 15% potential increase in price (C$ 115 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Ontario to Dallas/Fort Worth.
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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

Cheapest round-trip

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Tue 6/10

6:20 a.m.-9:29 p.m.

2 stops13h 09m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 270

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Wed 7/10

9:45 a.m.-10:05 p.m.

2 stops10h 20m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 270

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Fri 2/10

1:04 p.m.-11:57 p.m.

2 stops8h 53m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 304
Quickest round-trip

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Tue 27/10

1:35 p.m.-9:29 p.m.

1 stop5h 54m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 321

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Tue 9/3

7:00 a.m.-9:05 p.m.

2 stops12h 05m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 328

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Fri 30/10

6:02 a.m.-6:33 p.m.

1 stop10h 31m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 358

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Thu 12/11

1:29 p.m.-11:26 p.m.

2 stops7h 57m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 392

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Wed 23/9

12:19 p.m.-11:57 p.m.

1 stop9h 38m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 393

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Thu 8/10

11:56 a.m.-11:57 p.m.

1 stop10h 01m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 396

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Mon 21/9

1:04 p.m.-9:00 p.m.

1 stop5h 56m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 411

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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?

The price you pay for your flight from Ontario to Dallas/Fort Worth Airport may vary depending on when you book. For the best chance of a lower fare, look to book 46 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 Ontario to Dallas/Fort Worth Airport?

Currently, December is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of C$ 375). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 597). 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?

One of the essential ways to save on airfare from Ontario to Dallas/Fort Worth Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 86% on airfare.

How much does it cost to fly round-trip from Ontario to Dallas/Fort Worth Airport?

Airfare is below average for this route at the moment.

Ontario to Dallas/Fort Worth Airport flights typically cost between C$ 346 and C$ 603 in September.
The cheapest round-trip price found within the last 5 days was C$ 296 on Frontier (26 Sep-12 Oct).

Related info for your journey

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

    If you book a flight to Dallas/Fort Worth from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario. There are 16 flights from Ontario to Dallas/Fort Worth per day from 0 different airlines.

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

    Airlines like Delta, American Airlines, and United Airlines fly from Ontario to Dallas/Fort Worth Airport in about 2h 54m. The time it takes to get you to your destination can typically vary by up to 7h. Airlines will cover a distance of 1907 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    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 Ontario to Dallas/Fort Worth Airport on time: Frontier (87%), Volaris (87%), Royal Jordanian (83%).

  • 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, December is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of C$ 375). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 597). 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

Travelling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Arlington
Fort Worth
Allen
Richardson
Cedar Hill
Rockwall
Plano

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Dallas/Fort Worth

San Francisco to Dallas/Fort Worth flights

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How does Cheapflights help users find flights from Ontario to Dallas/Fort Worth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Dallas/Fort Worth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Dallas/Fort Worth?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Dallas/Fort Worth by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Dallas/Fort Worth with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Dallas/Fort Worth, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Dallas/Fort Worth become cheaper?

Yes! Start tracking prices for Ontario to Dallas/Fort Worth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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