Cheap Flights from Dallas to Ontario

Cheapest flights from Dallas to Ontario

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Dallas to Ontario. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$63

Frontier Airlines

Direct flight

3h 13m

08/18/2026

The cheapest one-way flight from Dallas to Ontario departs on 08/18/2026, is operated by Frontier Airlines and costs $63

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Dallas to Ontario

The fastest flight

3h 13m

Fastest flight from Dallas to Ontario takes 3h 13m

Direct flights

Several times a week

There are direct flights on this route 3 days a week: Mo, Tu, and We

Distance

1938km

Timezone difference

2h

The distance between Dallas and Ontario is 1938km (1202 miles). The time difference between Dallas and Ontario is 2h

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Dallas to Ontario by month

The minimum one-way ticket price from Dallas to Ontario is $63 (August 2026), while the maximum is $126 (September 2026). On average, a ticket costs $105–$118.

August 2026

Lowest price

on average:

$63

September 2026

Highest price

on average:

$126

Avg Price

Price dynamics

Flight costs from Dallas to Ontario climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Prices rise from August 2026 to September 2026 (+99%), then decline from June 2026 to August 2026 (45%). The cheapest tickets are in July 2026–August 2026 (averaging $90), while the priciest are in June 2026–July 2026 ($116).

Best time to buy

For savings, plan your flight for July 2026–August 2026 — you could save up to 22%. Try to avoid June 2026–July 2026 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 23.5%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

The route Dallas — Ontario is served by several airlines: American Airlines, Frontier Airlines, and Southwest Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $63 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

American Airlines

starting at $308

Frontier Airlines

starting at $63

Southwest Airlines

starting at $249

Non-stop flights from Dallas to Ontario

A non-stop flight is the most convenient and comfortable way to fly from Dallas to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.

Dallas — Ontario

DFW — ONT

06/08/2026

Departure

Direct flight

AA2236

starting at $341

Dallas — Ontario

DFW — ONT

06/10/2026

Departure

Direct flight

F94689

starting at $172

Dallas — Ontario

DFW — ONT

06/30/2026

Departure

Direct flight

WN670

starting at $249

Dallas — Ontario

DFW — ONT

07/01/2026

Departure

Direct flight

WN149

starting at $275

Dallas — Ontario

DFW — ONT

08/18/2026

Departure

Direct flight

AA1820

starting at $308

Schedule of direct flights from Dallas to Ontario

There are most likely no direct flights on the Dallas — Ontario route

Dallas airports overview

Addison Airport

•

ADS

50km

Serving the Dallas–Fort Worth area in Addison, Texas, it’s a busy general-aviation and corporate reliever airport with multiple FBOs and quick access to downtown Dallas.

Fort Worth Alliance Airport

•

AFW

55km

Dallas Love Field

•

DAL

9km

Convenient for central Dallas and Uptown, serving primarily domestic routes with frequent low-cost-carrier flights and short-haul connections across the U.S.

Dallas/Fort Worth International Airport

•

DFW

27km

Major U.S. hub serving the Dallas–Fort Worth metroplex, offering extensive domestic and international connections, multiple terminals, and a range of ground-transport options.

•

Ontario airports overview

Ontario International Airport

•

ONT

5km

Serves Ontario and the Inland Empire region of Southern California, offering domestic and select international flights; convenient for travelers to Los Angeles, San Bernardino and nearby business centers.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Dallas to Ontario?

The cheapest flight ticket from Dallas to Ontario according to data for the last 48 hours costs $63

When is the best time to buy air tickets on the route Dallas — Ontario?

Often the best time to buy tickets from Dallas to Ontario is 2 months before departure.

When is the cheapest time of year to fly from Dallas to Ontario?

Based on statistics over the past years, the lowest prices for flights from Dallas to Ontario can be found flying in these months: August, June, July.

How long does it take to fly from Dallas to Ontario?

The fastest flights from Dallas to Ontario start from 3 hours 13 minutes in the air.

Which airline can fly direct from Dallas to Ontario?

The following airlines operate direct flights on the route Dallas — Ontario: American Airlines, Frontier Airlines, Southwest Airlines

Special offers and sales on air tickets from Dallas to Ontario

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Dallas to Ontario

Alternative routes

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Cheapest one way flight

$63

Frontier Airlines

Direct flight

3h 13m

08/18/2026

The cheapest one-way flight from Dallas to Ontario departs on 08/18/2026, is operated by Frontier Airlines and costs $63

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Dallas to Ontario

The fastest flight