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Cheap flights from Dallas/Fort Worth Airport to Ontario from C$ 242

DFW — ONT
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dallas/Fort Worth to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Dallas/Fort Worth to Ontario

Wed 2/122:35 p.m. -
2 stops10h 24m
Sat 5/127:00 a.m. -
2 stops12h 31m
Deal found 29/10C$ 356
Tue 1/124:10 p.m. -
2 stops9h 47m
Mon 7/1211:57 a.m. -
1 stop9h 56m
Deal found 29/10C$ 418
Tue 1/124:10 p.m. -
2 stops9h 47m
Wed 9/121:11 p.m. -
1 stop6h 14m
Deal found 31/10C$ 419
Thu 26/117:10 a.m. -
2 stops13h 20m
Tue 1/126:00 a.m. -
1 stop5h 39m
Deal found 30/10C$ 449
Wed 25/112:01 p.m. -
1 stop8h 53m
Thu 3/1212:20 p.m. -
1 stop9h 56m
Deal found 31/10C$ 498
Fri 18/125:00 p.m. -
1 stop7h 59m
Fri 25/126:00 a.m. -
1 stop6h 35m
Deal found 29/10C$ 502
Wed 2/122:35 p.m. -
2 stops10h 24m
Sun 6/121:11 p.m. -
2 stops8h 41m
Deal found 30/10C$ 524

Find flight deals from Dallas/Fort Worth to Ontario

Round-trip from

C$ 356

One-way from

C$ 242

Popular in

July

Cheapest in

February

Average price

C$ 418
Delta
  • Delta
  • 2/12-5/12
  • 4 total stops
  • 22h 55m total
  • Dallas to Ontario
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American Airlines
  • American Airlines
  • 16/12-31/12
  • Nonstop
  • 3h 22m total
  • Dallas to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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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

Cheapest round-trip

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Fri 4/12

5:00 p.m.-10:59 p.m.

1 stop7h 59m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 243

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Mon 4/1

4:08 p.m.-11:58 p.m.

2 stops9h 50m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 271

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Wed 25/11

1:52 p.m.-11:49 p.m.

2 stops11h 57m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 271

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Fri 4/12

8:20 a.m.-9:42 a.m.

Nonstop3h 22m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 275

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Wed 23/12

7:05 a.m.-11:58 a.m.

1 stop6h 53m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 299

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Wed 16/12

8:20 a.m.-12:38 p.m.

1 stop6h 18m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 312

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Sun 10/1

10:45 a.m.-3:18 p.m.

1 stop6h 33m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 333

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Tue 13/4

5:45 a.m.-11:27 a.m.

1 stop7h 42m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 337

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Mon 12/4

6:05 p.m.-11:48 p.m.

1 stop7h 43m

Ontario

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 352

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Wed 2/12

2:35 p.m.-10:59 p.m.

2 stops10h 24m

Ontario

Sat 5/12

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

1 stop5h 39m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 24 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Dallas/Fort Worth Airport to Ontario, 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 Dallas/Fort Worth Airport to Ontario?

Currently, February is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of C$ 316). Flying from Dallas/Fort Worth Airport to Ontario in July is currently the most expensive (average of C$ 519). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas/Fort Worth Airport to Ontario as you normally would.

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

Airfare is typical for this route at the moment.

Dallas/Fort Worth Airport to Ontario flights typically cost between C$ 275 and C$ 531 in December.
The cheapest round-trip price found within the last 5 days was C$ 356 on Delta (2 Dec-5 Dec).

Related info for your journey

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

    If you book a flight to Ontario from Dallas/Fort Worth, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario. There are 11 flights from Dallas/Fort Worth to Ontario per day from 0 different airlines.

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

    For as low as C$ 569, Delta can have you in Ontario from Dallas/Fort Worth Airport in 3h 23m. Airlines will cover a distance of 1907 km. This flight may include one or multiple stops.

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

    No one likes to see their flight delayed. When booking a flight from Dallas/Fort Worth Airport to Ontario consider choosing GOL (91%), Frontier (78%) or Volaris (78%) as they are the most reliable in getting you off to your destination on time.

  • 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, February is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of C$ 316). Flying from Dallas/Fort Worth Airport to Ontario in July is currently the most expensive (average of C$ 519). 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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Deals for Dallas/Fort Worth to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Certainly. Search results for flights to Ontario from Dallas/Fort Worth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Dallas/Fort Worth today and book when prices fit your budget.

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