Cheap flights from Ontario to Dallas/Fort Worth Airport from C$ 172

ONT — DFW
29 Nov — 6 Dec1
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

Mon 7/1211:57 a.m. -
1 stop9h 56m
Tue 8/128:15 a.m. -
2 stops11h 00m
Deal found 30/10C$ 362
Fri 13/118:03 p.m. -
Nonstop3h 05m
Sun 15/115:47 p.m. -
Nonstop3h 21m
Deal found 25/10C$ 369
Mon 16/1111:10 p.m. -
1 stop7h 46m
Thu 19/112:35 p.m. -
2 stops10h 25m
Deal found 27/10C$ 374
Mon 23/116:00 a.m. -
2 stops9h 49m
Thu 3/124:10 p.m. -
2 stops9h 47m
Deal found 29/10C$ 381
Mon 7/126:00 a.m. -
1 stop6h 20m
Tue 8/125:20 p.m. -
1 stop6h 39m
Deal found 29/10C$ 385
Thu 17/121:11 p.m. -
1 stop6h 14m
Mon 11/112:30 p.m. -
1 stop5h 57m
Deal found 27/10C$ 405
Sat 5/126:00 a.m. -
2 stops12h 35m
Sat 23/12:46 p.m. -
2 stops9h 24m
Deal found 28/10C$ 406
Thu 10/127:00 a.m. -
2 stops12h 25m
Mon 14/124:10 p.m. -
2 stops9h 47m
Deal found 28/10C$ 425
Thu 3/1212:20 p.m. -
1 stop9h 56m
Sun 6/124:10 p.m. -
2 stops9h 47m
Deal found 28/10C$ 440

Find flight deals from Ontario to Dallas/Fort Worth

Round-trip from

C$ 362

One-way from

C$ 172

Popular in

June

Cheapest in

December

Average price

C$ 536
Delta
  • Delta
  • 7/12-8/12
  • 3 total stops
  • 20h 56m total
  • Ontario to Dallas
Delta
  • Delta
  • 5/12-31/12
  • 1 total stop
  • 9h 56m total
  • Ontario to Dallas
Highest demand for flights based on searches. 11% potential increase in price (C$ 86 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Average for round-trip flights in October 2026

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

Thu 26/11

6:00 a.m.-6:54 p.m.

2 stops10h 54m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 191

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Tue 8/12

6:00 a.m.-1:39 p.m.

1 stop5h 39m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 209

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Fri 11/12

1:11 p.m.-11:52 p.m.

2 stops8h 41m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 229

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Wed 9/12

6:00 a.m.-11:11 a.m.

Nonstop3h 11m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 235
Quickest round-trip

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Thu 3/12

11:59 p.m.-4:56 a.m.

Nonstop2h 57m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 290

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Tue 17/11

1:35 p.m.-11:59 p.m.

2 stops8h 24m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 306

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Wed 7/4

11:55 a.m.-11:30 p.m.

1 stop9h 35m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 337

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Sat 24/4

11:55 a.m.-11:30 p.m.

1 stop9h 35m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 337

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Thu 22/4

12:00 p.m.-11:59 p.m.

1 stop9h 59m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 352

OntarioDallas

ONT Ontario - DFW Dallas/Fort Worth

ONTDFW

Ontario

Fri 25/12

6:00 a.m.-8:47 p.m.

2 stops12h 47m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 383

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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$ 383). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 600). 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$ 363 and C$ 628 in December.
The cheapest round-trip price found within the last 5 days was C$ 362 on Delta (7 Dec-8 Dec).

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 9 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 3h 10m. The time it takes to get you to your destination can typically vary by up to 9h. 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: American Airlines (86%), GOL (85%), British Airways (84%).

  • 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$ 383). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 600). 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
Plano
Rockwall

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Dallas/Fort Worth

Fly with Cheapflights

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.

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.