What airlines fly to Ontario?

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Ontario from Dallas/Fort Worth Airport according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from Dallas/Fort Worth Airport to Ontario on average per day?

As of June 2026, 15 flights take off from Dallas/Fort Worth Airport and land in Ontario each day. The most common flight departure time for this route is 6:00PM, with 63% of daily flights taking off in the evening.

What is the cheapest airline that flies from Dallas/Fort Worth to Ontario?

Frontier is the most popular carrier operating from Dallas/Fort Worth to Ontario

How many flights depart from Dallas/Fort Worth Airport to Ontario on average per week?

109 flights are operational weekly from Dallas/Fort Worth Airport to Ontario as of June 2026. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.

When did momondo last update prices for flights from Dallas/Fort Worth Airport to Ontario Airport?

Prices for flights from Dallas/Fort Worth Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Dallas/Fort Worth Airport to Ontario Airport?

There are 3 operators available for flights from Dallas/Fort Worth Airport to Ontario Airport as of June 2026.

How old do you have to be to fly from Dallas/Fort Worth Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas/Fort Worth Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$83 Cheap Flights from Dallas/Fort Worth Airport to Ontario in 2026

Q: What is the typical price of a round-trip flight between Dallas/Fort Worth Airport and Ontario?

Prices are currently low for flights on this route. Typical prices usually range from $360 to $202. The lowest price recently found on this route was $210.

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Find the cheapest flights from Dallas/Fort Worth Airport to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 11:49 pm

DFW

ONT

6h 54m

1 stop

6:47 pm - 11:59 pm

ONT

DFW

3h 12mnonstop

$210Frontier

Sat, Aug 22 - Sun, Aug 23

9:31 pm - 10:05 am

DFW

ONT

14h 34m

1 stop

8:17 am - 1:31 pm

ONT

DFW

3h 14mnonstop

$212Frontier

Fri, Jul 3 - Sun, Jul 5

5:18 am - 10:04 am

DFW

ONT

6h 46m

1 stop

8:17 am - 1:31 pm

ONT

DFW

3h 14mnonstop

$214Frontier

Sat, Jul 18 - Sun, Jul 19

7:31 am - 8:37 am

DFW

ONT

3h 06mnonstop

3:40 pm - 8:09 am

ONT

DFW

14h 29m

2 stops

$218Frontier

Tue, Jul 7 - Tue, Jul 21

6:58 pm - 10:04 am

DFW

ONT

17h 06m

1 stop

8:17 am - 1:31 pm

ONT

DFW

3h 14mnonstop

$219Frontier

Wed, Jul 8 - Fri, Jul 10

10:59 pm - 7:51 pm

DFW

ONT

22h 52m

1 stop

8:17 am - 1:31 pm

ONT

DFW

3h 14mnonstop

$221Frontier

Wed, Jun 24 - Mon, Aug 10

9:40 pm - 1:57 pm

DFW

ONT

18h 17m

1 stop

8:07 am - 1:12 pm

ONT

DFW

3h 05mnonstop

$222Frontier

Mon, Sep 21 - Wed, Sep 23

5:18 am - 10:04 am

DFW

ONT

6h 46m

1 stop

6:00 am - 8:09 am

ONT

DFW

24h 09m

1 stop

$223Frontier

Wed, Jul 8 - Tue, Jul 21

7:31 am - 8:37 am

DFW

ONT

3h 06mnonstop

8:17 am - 1:31 pm

ONT

DFW

3h 14mnonstop

$224Frontier

Fri, Jul 10 - Tue, Jul 14

9:31 pm - 10:04 am

DFW

ONT

14h 33m

1 stop

10:49 am - 8:36 pm

ONT

DFW

7h 47m

1 stop

$225Frontier

Wed, Jul 29 - Wed, Aug 5

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Frontier flights from Dallas/Fort Worth Airport to Ontario

Our best Frontier deals on Dallas/Fort Worth Airport to Ontario flight tickets

Frontier

Aug 22

DFW6:55 pmDallas/Fort Worth

6h 54m

1 stop

ONT11:49 pmOntario

Aug 23

ONT6:47 pmOntario

3h 12m

DFW11:59 pmDallas/Fort Worth

$210

Frontier

Oct 17

DFW6:00 amDallas/Fort Worth

3h 12m

ONT7:12 amOntario

Oct 24

ONT8:07 amOntario

3h 05m

DFW1:12 pmDallas/Fort Worth

$212

Frontier

Jul 18

DFW5:18 amDallas/Fort Worth

6h 46m

1 stop

ONT10:04 amOntario

Jul 19

ONT8:17 amOntario

3h 14m

DFW1:31 pmDallas/Fort Worth

$214

momondo 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 - ONT

DFWONT

Dallas/Fort Worth

Sat 8/22

6:55 pm-11:49 pm

1 stop6h 54m

Ontario

Sun 8/23

6:47 pm-11:59 pm

Nonstop3h 12m

$210

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 7/3

9:31 pm-10:05 am

1 stop14h 34m

Ontario

Sun 7/5

8:17 am-1:31 pm

Nonstop3h 14m

$212

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 7/18

5:18 am-10:04 am

1 stop6h 46m

Ontario

Sun 7/19

8:17 am-1:31 pm

Nonstop3h 14m

$214

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 7/7

7:31 am-8:37 am

Nonstop3h 06m

Ontario

Tue 7/21

3:40 pm-8:09 am

2 stops14h 29m

$218

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 7/8

6:58 pm-10:04 am

1 stop17h 06m

Ontario

Fri 7/10

8:17 am-1:31 pm

Nonstop3h 14m

$219

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 6/24

10:59 pm-7:51 pm

1 stop22h 52m

Ontario

Mon 8/10

8:17 am-1:31 pm

Nonstop3h 14m

$221

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Mon 9/21

9:40 pm-1:57 pm

1 stop18h 17m

Ontario

Wed 9/23

8:07 am-1:12 pm

Nonstop3h 05m

$222

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 7/8

5:18 am-10:04 am

1 stop6h 46m

Ontario

Tue 7/21

6:00 am-8:09 am

1 stop24h 09m

$223

Quickest round-trip

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 7/10

7:31 am-8:37 am

Nonstop3h 06m

Ontario

Tue 7/14

8:17 am-1:31 pm

Nonstop3h 14m

$224

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 7/29

9:31 pm-10:04 am

1 stop14h 33m

Ontario

Wed 8/5

10:49 am-8:36 pm

1 stop7h 47m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Dallas/Fort Worth Airport and Ontario?

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Dallas/Fort Worth Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $178. If you aren’t able to travel during the month of September, then book flights to Ontario from Dallas/Fort Worth Airport during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $222.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $232. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Dallas/Fort Worth Airport to Ontario for around $270.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Dallas/Fort Worth Airport to Ontario when you can find flight prices for as low as $230. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $293 on average. Flights to Ontario from Dallas/Fort Worth Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Dallas/Fort Worth to Ontario flight route?

Fly from Dallas/Fort Worth to Ontario for the best Dallas/Fort Worth - Ontario flight prices

How far in advance should I book a flight from Dallas/Fort Worth Airport to Ontario?

You are more likely to see cheaper flights to Ontario from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Dallas/Fort Worth Airport for as low as $211 on momondo.

What cabin class options are available on Dallas/Fort Worth Airport to Ontario flights?

There are 4 cabin classes available to choose from on Dallas/Fort Worth Airport to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dallas/Fort Worth Airport to Ontario flights?

No. A direct flight is the cheapest option for a flight between Dallas/Fort Worth Airport to Ontario.

How have Dallas/Fort Worth Airport to Ontario flight prices changed over time?

As of June 2026, prices for Dallas/Fort Worth Airport to Ontario flights are approximately 92% more expensive when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Dallas/Fort Worth Airport to Ontario (DFW to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to Ontario

Best Price Found	$151
Fastest flight time	3h 00m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Dallas/Fort Worth Airport in the past 72 hours is $151. The best round-trip flight deal from Dallas/Fort Worth Airport to Ontario found on momondo in the last 72 hours is $288.

The fastest flight from Dallas/Fort Worth Airport to Ontario takes 3h 00m

Direct flights go from Dallas/Fort Worth Airport to Ontario every day.

There is 1 airport in Ontario. From Dallas/Fort Worth Airport there are direct flights to Ontario (ONT).

Search flight deals

Frequently asked questions about flying from Dallas/Fort Worth Airport to Ontario

How far is Dallas/Fort Worth to Ontario by plane?
Dallas/Fort Worth and Ontario are 1187.9 mi apart from one another. Flights usually cover this in 3h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dallas/Fort Worth Airport to Ontario Airport?
Prices for flights from Dallas/Fort Worth Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Dallas/Fort Worth Airport to Ontario Airport?
There are 3 operators available for flights from Dallas/Fort Worth Airport to Ontario Airport as of June 2026.
How old do you have to be to fly from Dallas/Fort Worth Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas/Fort Worth Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dallas/Fort Worth Airport to Ontario?
Based on momondo bookings for flights between Dallas/Fort Worth Airport and Ontario, the leading plane model is Airbus A321-100/200, making up 36.76% of the total bookings. Other popular models include Airbus A321neo with 12.88%, Boeing 737-800 with 12.43%, and Airbus A320neo with 11.22%.
What is the most popular airline from Dallas/Fort Worth Airport to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dallas/Fort Worth Airport to Ontario is Frontier (62% of total bookings). The next most popular airlines are American Airlines (32%) and Southwest (6%).

Best airlines flying from Dallas/Fort Worth Airport to Ontario

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $82	Free Cancellation	Rating 5.6 2,902 reviews	Search Frontier flights
Southwest	PriceFrom $139	Free Cancellation	Rating 7.9 4,240 reviews	Search Southwest flights
American Airlines	PriceFrom $163	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights

American Airlines Flights From Dallas/Fort Worth Airport to Ontario
American Airlines operates around 33 flights from Dallas/Fort Worth Airport to Ontario every week. The average price of these flights found in the last 72 hours has been $344, but momondo users have found American Airlines deals from Dallas/Fort Worth Airport to Ontario from as low as $163 round-trip. American Airlines has been scored 7.1/10 in 11,640 reviews.
Frontier Flights From Dallas/Fort Worth Airport to Ontario
Across 2,902 Frontier reviews on momondo, the average score is 5.6/10. Frontier flies from Dallas/Fort Worth Airport to Ontario about 1 time each week, with ticket deals ranging from $82 to $230. Price data is based on momondo searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Dallas.

Can I find flights from Dallas to Ontario with flexible booking policies on momondo?

All flight searches from Dallas to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dallas to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Dallas.

I’m not ready to book a flight from Dallas to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Dallas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Frontier flights from Dallas/Fort Worth Airport to Ontario

Our best Frontier deals on Dallas/Fort Worth Airport to Ontario flight tickets

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Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Ontario that are best for you.

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How to get the cheapest flight ticket from Dallas/Fort Worth Airport to Ontario

What is the typical price of a round-trip flight between Dallas/Fort Worth Airport and Ontario?

What is the cheapest month to fly to Ontario?

What is the cheapest day to depart on your flight to Ontario?

What is the cheapest time of day to depart on your flight to Ontario?

What is the cheapest Dallas/Fort Worth to Ontario flight route?

How far in advance should I book a flight from Dallas/Fort Worth Airport to Ontario?

What cabin class options are available on Dallas/Fort Worth Airport to Ontario flights?

Can stopping save me money on Dallas/Fort Worth Airport to Ontario flights?

How have Dallas/Fort Worth Airport to Ontario flight prices changed over time?

What is the cheapest airline that flies from Dallas/Fort Worth to Ontario?

What airlines fly to Ontario?

How many flights depart from Dallas/Fort Worth Airport to Ontario on average per day?

How many flights depart from Dallas/Fort Worth Airport to Ontario on average per week?

When to book flights from Dallas/Fort Worth Airport to Ontario

Cheap Dallas/Fort Worth Airport to Ontario (DFW to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to Ontario

Best Price Found

Fastest flight time

Direct flights

Airports in Ontario

Frequently asked questions about flying from Dallas/Fort Worth Airport to Ontario

Best airlines flying from Dallas/Fort Worth Airport to Ontario

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Ontario with momondo

American Airlines Flights From Dallas/Fort Worth Airport to Ontario

Frontier Flights From Dallas/Fort Worth Airport to Ontario

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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