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

Frontier, American Airlines, and Southwest are the most popular carriers operating from Texas to Ontario

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

As of July 2025, there are 17 flights per day flying from Texas to Ontario. The most common time of day flights depart is 9:00PM, with 46% of flights taking off in the evening.

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

124 flights are operational weekly from Texas to Ontario as of July 2025. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.

What airlines fly to Ontario?

Spirit Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Ontario from Texas according to our data. Spirit Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Texas to Ontario depends on which airport you fly into and out of. Flying from Austin to Los Angeles is 3h 03m on average, while flying from San Antonio to Los Angeles is 3h 12m on average. Los Angeles is the most popular airport in Ontario.

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

Prices for flights from Texas to Ontario Airport were last updated today.

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

As of July 2025, there are 6 operators available to choose from for flights from Texas to Ontario Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Texas to Ontario Airport.

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

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$38 Cheap Flights from Texas to Ontario in 2025

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Find the cheapest flights from Texas to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:16 pm - 3:29 pmDFW-ONT

3h 13mnonstop

4:09 pm - 9:21 pmONT-DFW

3h 12mnonstop

$72Frontier

Find Deal

Thu, Sep 25 - Sun, Sep 28

10:10 am - 11:28 amDFW-ONT

3h 18mnonstop

12:13 pm - 5:27 pmONT-DFW

3h 14mnonstop

$74Frontier

Find Deal

Fri, Sep 26 - Mon, Sep 29

10:10 am - 11:28 amDFW-ONT

3h 18mnonstop

7:15 pm - 12:25 amONT-DFW

3h 10mnonstop

$78Frontier

Find Deal

Fri, Sep 5 - Sun, Sep 7

10:35 am - 11:57 amDFW-ONT

3h 22mnonstop

2:54 pm - 7:57 pmONT-DFW

3h 03mnonstop

$139American Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 27

5:45 pm - 6:50 pmDAL-ONT

3h 05mnonstop

11:50 am - 4:50 pmONT-DAL

3h 00mnonstop

$139Southwest

Find Deal

Wed, Sep 3 - Fri, Sep 5

5:45 pm - 6:50 pmDAL-ONT

3h 05mnonstop

6:20 am - 2:10 pmONT-DAL

5h 50m1 stop

$149Southwest

Find Deal

Wed, Sep 3 - Fri, Sep 5

12:34 pm - 5:50 pmELP-ONT

6h 16m1 stop

12:22 pm - 10:26 pmONT-ELP

9h 04m1 stop

$189American Airlines

Find Deal

Sat, Aug 30 - Tue, Sep 2

7:59 pm - 9:24 pmIAH-ONT

3h 25mnonstop

6:00 am - 11:10 amONT-IAH

3h 10mnonstop

$191United Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

5:59 pm - 11:54 pmIAH-ONT

7h 55m1 stop

7:10 am - 4:59 pmONT-IAH

7h 49m1 stop

$210Hawaiian Airlines

Find Deal

Thu, Sep 11 - Tue, Sep 16

1:39 pm - 8:33 pmAUS-ONT

8h 54m1 stop

6:04 am - 3:23 pmONT-AUS

7h 19m1 stop

$232United Airlines

Find Deal

Tue, Aug 26 - Tue, Sep 2

American Airlines flights from Texas to Ontario

Our best American Airlines deals on Texas to Ontario flight tickets

American Airlines

Sep 13

DFW10:35 amDallas/Fort Worth

3h 22m

ONT11:57 amOntario

Sep 27

ONT2:54 pmOntario

3h 03m

DFW7:57 pmDallas/Fort Worth

$139

Find similar

American Airlines

Aug 30

ELP12:34 pmEl Paso

6h 16m

1 stop

ONT5:50 pmOntario

Sep 2

ONT12:22 pmOntario

9h 04m

1 stop

ELP10:26 pmEl Paso

$189

Find similar

American Airlines

Aug 29

HOU8:25 pmHouston Hobby

5h 42m

1 stop

ONT12:07 amOntario

Aug 31

ONT11:59 pmOntario

6h 21m

1 stop

HOU8:20 amHouston Hobby

$211

Find similar

Frontier flights from Texas to Ontario

Our best Frontier deals on Texas to Ontario flight tickets

Frontier

Sep 25

DFW2:16 pmDallas/Fort Worth

3h 13m

ONT3:29 pmOntario

Sep 28

ONT4:09 pmOntario

3h 12m

DFW9:21 pmDallas/Fort Worth

$72

Find similar

Frontier

Sep 26

DFW10:10 amDallas/Fort Worth

3h 18m

ONT11:28 amOntario

Sep 29

ONT12:13 pmOntario

3h 14m

DFW5:27 pmDallas/Fort Worth

$74

Find similar

Frontier

Sep 5

DFW10:10 amDallas/Fort Worth

3h 18m

ONT11:28 amOntario

Sep 7

ONT7:15 pmOntario

3h 10m

DFW12:25 amDallas/Fort Worth

$78

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 9/25

2:16 pm-3:29 pm

Nonstop3h 13m

Ontario

Sun 9/28

4:09 pm-9:21 pm

Nonstop3h 12m

$72

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 9/26

10:10 am-11:28 am

Nonstop3h 18m

Ontario

Mon 9/29

12:13 pm-5:27 pm

Nonstop3h 14m

$74

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 9/5

10:10 am-11:28 am

Nonstop3h 18m

Ontario

Sun 9/7

7:15 pm-12:25 am

Nonstop3h 10m

$78

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 9/13

10:35 am-11:57 am

Nonstop3h 22m

Ontario

Sat 9/27

2:54 pm-7:57 pm

Nonstop3h 03m

$139

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Wed 9/3

5:45 pm-6:50 pm

Nonstop3h 05m

Ontario

Fri 9/5

11:50 am-4:50 pm

Nonstop3h 00m

$139

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Wed 9/3

5:45 pm-6:50 pm

Nonstop3h 05m

Ontario

Fri 9/5

6:20 am-2:10 pm

1 stop5h 50m

$149

El PasoOntario

ELP - ONT

ELPONT

El Paso

Sat 8/30

12:34 pm-5:50 pm

1 stop6h 16m

Ontario

Tue 9/2

12:22 pm-10:26 pm

1 stop9h 04m

$189

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Fri 9/26

7:59 pm-9:24 pm

Nonstop3h 25m

Ontario

Mon 9/29

6:00 am-11:10 am

Nonstop3h 10m

$191

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Thu 9/11

5:59 pm-11:54 pm

1 stop7h 55m

Ontario

Tue 9/16

7:10 am-4:59 pm

1 stop7h 49m

$210

AustinOntario

AUS - ONT

AUSONT

Austin Bergstrom

Tue 8/26

1:39 pm-8:33 pm

1 stop8h 54m

Ontario

Tue 9/2

6:04 am-3:23 pm

1 stop7h 19m

$232

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How to get the cheapest flight ticket from Texas 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 cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Texas to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $150. If you aren’t able to travel during the month of February, then book flights to Ontario from Texas during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $155.

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 $192. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Texas to Ontario for around $256.

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

In the evening is the cheapest time of day to fly from Texas to Ontario when you can find flight prices for as low as $196. Flying to Ontario in the evening 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 morning when prices are $255 on average. Flights to Ontario from Texas in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Texas to Ontario flight route?

Fly from El Paso to Ontario for the best Texas - Ontario flight prices

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

You are more likely to see cheaper flights to Ontario from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $217 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Texas for as low as $179 on momondo.

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

There are 4 cabin classes available to choose from on Texas 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 Texas to Ontario flights?

You could potentially save up to 19% on your flight if you consider stops on a Texas to Ontario flight.

Cheap Texas to Ontario flight deals and tips

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

Best Price Found	$38
Fastest flight time	2h 53m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Texas in the past 72 hours is $38. The best round-trip flight deal from Texas to Ontario found on momondo in the last 72 hours is $72.

The fastest flight from Texas to Ontario takes 2h 53m

Direct flights go from Texas to Ontario every day.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

When did momondo last update prices for flights from Texas to Ontario Airport?
Prices for flights from Texas to Ontario Airport were last updated today.
How many operators does momondo search for flights from Texas to Ontario Airport?
As of July 2025, there are 6 operators available to choose from for flights from Texas to Ontario Airport.
How old do you have to be to fly from Texas to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Texas to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Texas to Ontario?
momondo data reveals that the most frequently booked plane model on the route from Texas to Ontario is Airbus A321neo, representing 20.37% of all bookings. The subsequent popular models are Airbus A320neo at 16.07%, Airbus A321-100/200 at 15.27%, and Boeing 737-800 at 6.97%.

Best airlines flying from Texas to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $58	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $74	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $139	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $158	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $182	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Texas 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 Texas.

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

momondo does allow users to show only those flights to Ontario from Texas which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Texas and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Texas 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.

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.

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Cheap flights from Texas to Los Angeles from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Texas to Los Angeles departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Texas to Ontario

Our best American Airlines deals on Texas to Ontario flight tickets

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Our best Frontier deals on Texas to Ontario flight tickets

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

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How to get the cheapest flight ticket from Texas 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

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 Texas to Ontario flight route?

Fly from El Paso to Ontario for the best Texas - Ontario flight prices

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

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

There are 4 cabin classes available to choose from on Texas 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 Texas to Ontario flights?

You could potentially save up to 19% on your flight if you consider stops on a Texas to Ontario flight.

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

Frontier, American Airlines, and Southwest are the most popular carriers operating from Texas to Ontario

What airlines fly to Ontario?

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

As of July 2025, there are 17 flights per day flying from Texas to Ontario. The most common time of day flights depart is 9:00PM, with 46% of flights taking off in the evening.

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

124 flights are operational weekly from Texas to Ontario as of July 2025. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.

How long does it take to fly to Ontario?

Average flight duration from Texas to Ontario depends on which airport you fly into and out of. Flying from Austin to Los Angeles is 3h 03m on average, while flying from San Antonio to Los Angeles is 3h 12m on average. Los Angeles is the most popular airport in Ontario.

Cheap Texas to Ontario flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Ontario

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

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

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

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

What is the most popular plane model from Texas to Ontario?

Best airlines flying from Texas to Ontario

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

Why use momondo?

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

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

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

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

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.

Find better results for your trip to the United States

Airports servicing California