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

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

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

108 flights are operational weekly from Texas to Ontario as of December 2025. The most popular departure day for this route is Thu, with 22% of flights per week taking off on this day.

What airlines fly to Ontario?

Frontier, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Ontario from Texas according to our data. Frontier is the first choice among our users, with 33% 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 many flights depart from Texas to Ontario on average per day?

As of December 2025, there are 15 flights per day flying from Texas to Ontario. The most common time of day flights depart is 5:00PM, with 50% of flights taking off in the afternoon.

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 San Antonio to Los Angeles is 3h 05m on average, while flying from Dallas to Los Angeles is 3h 05m 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 December 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.

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:17 pm - 1:39 pm

DFW

ONT

3h 22mnonstop

8:32 am - 1:36 pm

ONT

DFW

3h 04mnonstop

$84Frontier

Thu, Jan 8 - Sun, Jan 18

8:00 pm - 11:59 pm

DFW

ONT

5h 59m1 stop

6:56 pm - 11:59 pm

ONT

DFW

3h 03mnonstop

$88Frontier

Sat, Feb 21 - Sun, Feb 22

1:30 pm - 2:50 pm

DAL

ONT

3h 20mnonstop

11:00 am - 3:45 pm

ONT

DAL

2h 45mnonstop

$179Southwest

Sat, Jan 24 - Wed, Jan 28

5:20 pm - 6:40 pm

DAL

ONT

3h 20mnonstop

1:00 pm - 8:00 pm

ONT

DAL

5h 00m1 stop

$189Southwest

Tue, Jan 13 - Sat, Jan 17

2:17 pm - 9:05 pm

DAL

ONT

8h 48m1 stop

10:30 pm - 10:30 am

ONT

DAL

10h 00m1 stop

$217Delta

Tue, Jan 13 - Sat, Jan 17

6:00 am - 11:31 am

DAL

ONT

7h 31m1 stop

12:41 pm - 10:29 pm

ONT

DAL

7h 48m1 stop

$218Delta

Wed, Jan 7 - Sat, Jan 17

6:37 am - 9:08 am

MAF

ONT

4h 31m1 stop

4:45 pm - 10:53 pm

ONT

MAF

4h 08m1 stop

$293American Airlines

Sun, Jan 18 - Tue, Jan 27

6:20 am - 9:08 am

LBB

ONT

4h 48m1 stop

3:09 pm - 10:50 pm

ONT

LBB

5h 41m1 stop

$328American Airlines

Sun, Jan 18 - Sun, Jan 25

7:30 am - 12:47 pm

LBB

ONT

7h 17m1 stop

6:10 am - 2:11 pm

ONT

LBB

6h 01m1 stop

$352United Airlines

Tue, Feb 3 - Fri, Feb 6

12:05 pm - 10:53 pm

MFE

ONT

12h 48m2 stops

6:00 am - 4:07 pm

ONT

MFE

8h 07m1 stop

$354United Airlines

Sat, Jan 17 - Fri, Jan 23

Frontier flights from Texas to Ontario

Our best Frontier deals on Texas to Ontario flight tickets

Frontier

Jan 8

DFW12:17 pmDallas/Fort Worth

3h 22m

ONT1:39 pmOntario

Jan 18

ONT8:32 amOntario

3h 04m

DFW1:36 pmDallas/Fort Worth

$84

Find similar

Frontier

Feb 14

DFW6:00 amDallas/Fort Worth

3h 26m

ONT7:26 amOntario

Feb 21

ONT8:21 amOntario

3h 04m

DFW1:25 pmDallas/Fort Worth

$92

Find similar

Frontier

Jan 29

DFW12:55 pmDallas/Fort Worth

3h 32m

ONT2:27 pmOntario

Feb 2

ONT3:36 pmOntario

3h 00m

DFW8:36 pmDallas/Fort Worth

$96

Find similar

Southwest flights from Texas to Ontario

Our best Southwest deals on Texas to Ontario flight tickets

Southwest

Jan 24

DAL1:30 pmDallas Love Field

3h 20m

ONT2:50 pmOntario

Jan 28

ONT11:00 amOntario

2h 45m

DAL3:45 pmDallas Love Field

$179

Find similar

Southwest

Jan 13

DAL5:20 pmDallas Love Field

3h 20m

ONT6:40 pmOntario

Jan 17

ONT1:00 pmOntario

5h 00m

1 stop

DAL8:00 pmDallas Love Field

$189

Find similar

Southwest

Jan 28

DAL5:20 pmDallas Love Field

3h 20m

ONT6:40 pmOntario

Jan 31

ONT7:15 amOntario

2h 45m

DAL12:00 pmDallas Love Field

$199

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 1/8

12:17 pm-1:39 pm

Nonstop3h 22m

Ontario

Sun 1/18

8:32 am-1:36 pm

Nonstop3h 04m

$84

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 2/21

8:00 pm-11:59 pm

1 stop5h 59m

Ontario

Sun 2/22

6:56 pm-11:59 pm

Nonstop3h 03m

$88

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Sat 1/24

1:30 pm-2:50 pm

Nonstop3h 20m

Ontario

Wed 1/28

11:00 am-3:45 pm

Nonstop2h 45m

$179

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 1/13

5:20 pm-6:40 pm

Nonstop3h 20m

Ontario

Sat 1/17

1:00 pm-8:00 pm

1 stop5h 00m

$189

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 1/13

2:17 pm-9:05 pm

1 stop8h 48m

Ontario

Sat 1/17

10:30 pm-10:30 am

1 stop10h 00m

$217

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Wed 1/7

6:00 am-11:31 am

1 stop7h 31m

Ontario

Sat 1/17

12:41 pm-10:29 pm

1 stop7h 48m

$218

MidlandOntario

MAF - ONT

MAFONT

Midland Intl

Sun 1/18

6:37 am-9:08 am

1 stop4h 31m

Ontario

Tue 1/27

4:45 pm-10:53 pm

1 stop4h 08m

$293

LubbockOntario

LBB - ONT

LBBONT

Lubbock

Sun 1/18

6:20 am-9:08 am

1 stop4h 48m

Ontario

Sun 1/25

3:09 pm-10:50 pm

1 stop5h 41m

$328

LubbockOntario

LBB - ONT

LBBONT

Lubbock

Tue 2/3

7:30 am-12:47 pm

1 stop7h 17m

Ontario

Fri 2/6

6:10 am-2:11 pm

1 stop6h 01m

$352

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Sat 1/17

12:05 pm-10:53 pm

2 stops12h 48m

Ontario

Fri 1/23

6:00 am-4:07 pm

1 stop8h 07m

$354

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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 April instead. Flights to Ontario in April, while not as cheap as those in February, still average around $175.

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 $254.

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

In the afternoon is the cheapest time of day to fly from Texas to Ontario when you can find flight prices for as low as $202. Flying to Ontario in the afternoon 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 $308 on average. Flights to Ontario from Texas in the evening 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 Houston George Bush Intcntl 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 $220 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?

No. A direct flight is the cheapest option for a flight between Texas to 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	$108
Fastest flight time	2h 55m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Texas in the past 72 hours is $108. The best round-trip flight deal from Texas to Ontario found on momondo in the last 72 hours is $89.

The fastest flight from Texas to Ontario takes 2h 55m

Direct flights go from Texas to Ontario every day.

There is 1 airport in Ontario. From Texas there are direct flights to 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 December 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 A321-100/200, representing 16.10% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 13.55%, Airbus A320neo at 12.68%, and Airbus A320-100/200 at 10.99%.

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 5.8 3,084 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $83	Free Cancellation	Rating 6.3 8,175 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $139	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
Delta	PriceFrom $157	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $163	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
United Airlines	PriceFrom $168	Free Cancellation	Rating 7.4 9,095 reviews	Search United 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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Flights to New Yorkfrom $34

Flights to Los Angelesfrom $49

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Flights to Orlandofrom $41

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Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $49

Flights to Bostonfrom $55

Flights to Atlantafrom $49

Flights to Dallasfrom $52

Flights to Seattlefrom $58

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Cheap flights from Texas to Los Angeles from $52

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 2/24. 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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Frontier flights from Texas to Ontario

Our best Frontier deals on Texas to Ontario flight tickets

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Our best Southwest 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

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 Houston George Bush Intcntl 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?

No. A direct flight is the cheapest option for a flight between Texas to Ontario.

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

Frontier, Southwest, and Delta 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 December 2025, there are 15 flights per day flying from Texas to Ontario. The most common time of day flights depart is 5:00PM, with 50% of flights taking off in the afternoon.

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

108 flights are operational weekly from Texas to Ontario as of December 2025. The most popular departure day for this route is Thu, with 22% 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 San Antonio to Los Angeles is 3h 05m on average, while flying from Dallas to Los Angeles is 3h 05m 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