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

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Dallas

Which airline has the best punctuality record on Ontario to Dallas flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

How many flights depart from Ontario to Dallas on average per day?

As of November 2025, 15 flights take off from Ontario and land in Dallas each day. The most common flight departure time for this route is 10:00AM, with 68% of daily flights taking off at noon.

What airlines fly to Dallas?

Frontier, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Dallas from Ontario according to our data. Frontier is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 7 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.

How often are flights from Ontario to Dallas delayed?

Historically, on average around 14% of flights between Ontario and Dallas have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

How many flights depart from Ontario to Dallas on average per week?

108 flights are operational weekly from Ontario to Dallas as of November 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Ontario to Dallas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Prices for flights from Ontario Airport to Dallas refresh daily.

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

The number of operators available for flights from Ontario Airport to Dallas is 6 as of November 2025.

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

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 Ontario Airport to Dallas.

What documentation or ID do you need to fly to Dallas?

The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$59 Cheap Flights from Ontario to Dallas in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Dallas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:19 pm - 11:22 pmONT-DFW

3h 03mnonstop

4:10 pm - 5:32 pmDFW-ONT

3h 22mnonstop

$125Frontier

Find Deal

vie., dic. 5 - lun., dic. 8

8:31 am - 1:32 pmONT-DFW

3h 01mnonstop

12:17 pm - 1:39 pmDFW-ONT

3h 22mnonstop

$126Frontier

Find Deal

vie., ene. 9 - dom., ene. 11

3:20 pm - 12:20 amONT-DFW

7h 00m1 stop

7:00 am - 2:25 pmDFW-ONT

9h 25m1 stop

$128Frontier

Find Deal

vie., dic. 5 - lun., dic. 8

9:48 am - 2:47 pmONT-DFW

2h 59mnonstop

10:47 pm - 5:15 pmDFW-ONT

20h 28m1 stop

$129Frontier

Find Deal

jue., dic. 25 - dom., ene. 4

6:15 am - 1:24 pmONT-DFW

5h 09m1 stop

5:16 pm - 6:35 pmDFW-ONT

3h 19mnonstop

$130Frontier

Find Deal

jue., dic. 4 - jue., dic. 4

12:30 pm - 5:35 pmONT-DFW

3h 05mnonstop

10:38 pm - 2:25 pmDFW-ONT

17h 47m1 stop

$131Frontier

Find Deal

mar., dic. 9 - vie., dic. 12

11:00 am - 3:45 pmONT-DAL

2h 45mnonstop

5:20 pm - 6:40 pmDAL-ONT

3h 20mnonstop

$169Southwest

Find Deal

mié., feb. 18 - mié., feb. 25

11:00 am - 3:45 pmONT-DAL

2h 45mnonstop

5:20 pm - 6:40 pmDAL-ONT

3h 20mnonstop

$179Southwest

Find Deal

mié., ene. 7 - mié., ene. 21

5:00 am - 2:20 pmONT-DAL

7h 20m2 stops

1:30 pm - 2:50 pmDAL-ONT

3h 20mnonstop

$184Southwest

Find Deal

sáb., ene. 17 - sáb., ene. 24

12:41 pm - 10:29 pmONT-DAL

7h 48m1 stop

6:00 am - 11:31 amDAL-ONT

7h 31m1 stop

$217Delta

Find Deal

mar., ene. 6 - mié., ene. 7

Frontier flights from Ontario to Dallas

Our best Frontier deals on Ontario to Dallas flight tickets

Frontier

Dec 5

ONT6:19 pmOntario

3h 03m

DFW11:22 pmDallas/Fort Worth

Dec 8

DFW4:10 pmDallas/Fort Worth

3h 22m

ONT5:32 pmOntario

$125

Find similar

Frontier

Jan 9

ONT8:31 amOntario

3h 01m

DFW1:32 pmDallas/Fort Worth

Jan 11

DFW12:17 pmDallas/Fort Worth

3h 22m

ONT1:39 pmOntario

$126

Find similar

Frontier

Dec 5

ONT3:20 pmOntario

7h 00m

1 stop

DFW12:20 amDallas/Fort Worth

Dec 8

DFW7:00 amDallas/Fort Worth

9h 25m

1 stop

ONT2:25 pmOntario

$128

Find similar

Delta flights from Ontario to Dallas

Our best Delta deals on Ontario to Dallas flight tickets

Delta

Jan 6

ONT12:41 pmOntario

7h 48m

1 stop

DAL10:29 pmDallas Love Field

Jan 7

DAL6:00 amDallas Love Field

7h 31m

1 stop

ONT11:31 amOntario

$217

Find similar

Delta

Jan 20

ONT10:30 pmOntario

9h 06m

1 stop

DAL9:36 amDallas Love Field

Jan 21

DAL2:17 pmDallas Love Field

11h 41m

2 stops

ONT11:58 pmOntario

$222

Find similar

Delta

Jan 20

ONT5:10 pmOntario

14h 26m

2 stops

DAL9:36 amDallas Love Field

Jan 21

DAL2:17 pmDallas Love Field

11h 41m

2 stops

ONT11:58 pmOntario

$227

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 12/5

6:19 pm-11:22 pm

Nonstop3h 03m

Dallas/Fort Worth

lun. 12/8

4:10 pm-5:32 pm

Nonstop3h 22m

$125

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 1/9

8:31 am-1:32 pm

Nonstop3h 01m

Dallas/Fort Worth

dom. 1/11

12:17 pm-1:39 pm

Nonstop3h 22m

$126

OntarioDallas

ONT - DFW

ONTDFW

Ontario

vie. 12/5

3:20 pm-12:20 am

1 stop7h 00m

Dallas/Fort Worth

lun. 12/8

7:00 am-2:25 pm

1 stop9h 25m

$128

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 12/25

9:48 am-2:47 pm

Nonstop2h 59m

Dallas/Fort Worth

dom. 1/4

10:47 pm-5:15 pm

1 stop20h 28m

$129

OntarioDallas

ONT - DFW

ONTDFW

Ontario

jue. 12/4

6:15 am-1:24 pm

1 stop5h 09m

Dallas/Fort Worth

jue. 12/4

5:16 pm-6:35 pm

Nonstop3h 19m

$130

OntarioDallas

ONT - DFW

ONTDFW

Ontario

mar. 12/9

12:30 pm-5:35 pm

Nonstop3h 05m

Dallas/Fort Worth

vie. 12/12

10:38 pm-2:25 pm

1 stop17h 47m

$131

OntarioDallas

ONT - DAL

ONTDAL

Ontario

mié. 2/18

11:00 am-3:45 pm

Nonstop2h 45m

Dallas Love Field

mié. 2/25

5:20 pm-6:40 pm

Nonstop3h 20m

$169

OntarioDallas

ONT - DAL

ONTDAL

Ontario

mié. 1/7

11:00 am-3:45 pm

Nonstop2h 45m

Dallas Love Field

mié. 1/21

5:20 pm-6:40 pm

Nonstop3h 20m

$179

OntarioDallas

ONT - DAL

ONTDAL

Ontario

sáb. 1/17

5:00 am-2:20 pm

2 stops7h 20m

Dallas Love Field

sáb. 1/24

1:30 pm-2:50 pm

Nonstop3h 20m

$184

OntarioDallas

ONT - DAL

ONTDAL

Ontario

mar. 1/6

12:41 pm-10:29 pm

1 stop7h 48m

Dallas Love Field

mié. 1/7

6:00 am-11:31 am

1 stop7h 31m

$217

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 Ontario to Dallas

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

Delays

Other information

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of April, then departing from Ontario during the month March is also very affordable. Most momondo users find prices during this month for around $200.

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

On average, the least expensive day to fly to Dallas from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $339. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $422.

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

Flying to Dallas from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $276 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to Dallas, so prices are often more expensive at around $407 per ticket.

What is the cheapest Ontario to Dallas flight route?

Fly from Ontario to Dallas Love Field for the best Ontario - Dallas flight prices

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from Ontario for as low as $193 on momondo.

What cabin class options are available on Ontario to Dallas flights?

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

Cheap Ontario to Dallas flight deals and tips

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

Fastest flight time	2h 45m
Direct flights	Every day
Airports in Dallas	2 airports

The fastest flight from Ontario to Dallas takes 2h 45m

Direct flights go from Ontario to Dallas every day.

There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)

Search flight deals

How far is Ontario to Dallas by plane?
Dallas is 1202.4 mi away from Ontario. By plane, this route typically takes 2h 45m.
When did momondo last update prices for flights from Ontario Airport to Dallas?
Prices for flights from Ontario Airport to Dallas refresh daily.
How many operators does momondo search for flights from Ontario Airport to Dallas?
The number of operators available for flights from Ontario Airport to Dallas is 6 as of November 2025.
How old do you have to be to fly from Ontario Airport to Dallas?
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 Ontario Airport to Dallas.
What documentation or ID do you need to fly to Dallas?
The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Dallas

Compare and see reviews for airlines that fly from Ontario to Dallas with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $78	Free Cancellation	Rating 6.3 8,156 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $89	Free Cancellation	Rating 5.8 3,104 reviews	Search Frontier flights
Delta	PriceFrom $153	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Southwest	PriceFrom $161	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights
American Airlines	PriceFrom $183	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 8.0 11,321 reviews	Search Alaska Airlines flights

Why use momondo?

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

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 Dallas from Ontario.

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

Flights from Ontario to Dallas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Dallas from Ontario.

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

If you are not ready to book a flight from Ontario to Dallas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dallas and let you know when they change.

An easier way to manage your Dallas 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

sáb. 12/20

sáb. 12/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Dallas Love Field Airport

Dallas/Fort Worth Airport

Popular cities in the United States

Flights to New Yorkfrom $44

Flights to Los Angelesfrom $48

Flights to Miamifrom $48

Flights to Chicagofrom $48

Flights to Orlandofrom $39

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $55

Flights to Washington, D.C.from $36

Flights to Bostonfrom $58

Flights to Atlantafrom $38

Flights to Seattlefrom $57

Flights to Denverfrom $48

Cheap flights from Ontario to Dallas from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Dallas departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Dallas

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Ontario to Dallas

Our best Frontier deals on Ontario to Dallas flight tickets

Delta flights from Ontario to Dallas

Our best Delta deals on Ontario to Dallas flight tickets

momondo Fare Finder

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

See travel insights to Dallas from

How to get the cheapest flight ticket from Ontario to Dallas

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

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of April, then departing from Ontario during the month March is also very affordable. Most momondo users find prices during this month for around $200.

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

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

What is the cheapest Ontario to Dallas flight route?

Fly from Ontario to Dallas Love Field for the best Ontario - Dallas flight prices

How far in advance should I book a flight to Dallas?

What cabin class options are available on Ontario to Dallas flights?

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

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

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Dallas

What airlines fly to Dallas?

How often are flights from Ontario to Dallas delayed?

Historically, on average around 14% of flights between Ontario and Dallas have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

What is the most punctual flight time for Ontario to Dallas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ontario to Dallas flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

How many flights depart from Ontario to Dallas on average per day?

As of November 2025, 15 flights take off from Ontario and land in Dallas each day. The most common flight departure time for this route is 10:00AM, with 68% of daily flights taking off at noon.

How many flights depart from Ontario to Dallas on average per week?

108 flights are operational weekly from Ontario to Dallas as of November 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

Cheap Ontario to Dallas flight deals and tips

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

Fastest flight time

Direct flights

Airports in Dallas

How far is Ontario to Dallas by plane?

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

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

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

What documentation or ID do you need to fly to Dallas?

Best airlines flying from Ontario to Dallas

Compare and see reviews for airlines that fly from Ontario to Dallas with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Dallas 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.

Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas