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Cheap flights from Harlingen, Texas to Los Angeles from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Los Angeles departing on 4/16. 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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0 bags

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Find the cheapest flights from Harlingen, Texas to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 10:06 am
HRL
-
ONT
6h 06m
1 stop
American Airlines Logo
11:58 pm - 10:12 am
ONT
-
HRL
8h 14m
1 stop
$274American Airlines
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
6:00 am - 10:06 am
HRL
-
ONT
6h 06m
1 stop
American Airlines Logo
11:58 pm - 10:12 am
ONT
-
HRL
8h 14m
1 stop
$293American Airlines
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
5:22 pm - 9:59 pm
HRL
-
ONT
6h 37m
1 stop
United Airlines Logo
6:37 pm - 11:16 am
ONT
-
HRL
14h 39m
2 stops
$359United Airlines
Sat, Feb 28 - Wed, Mar 4
American Airlines Logo
2:45 pm - 10:19 pm
HRL
-
ONT
9h 34m
2 stops
American Airlines Logo
11:58 pm - 10:12 am
ONT
-
HRL
8h 14m
1 stop
$370American Airlines
Wed, Mar 4 - Sun, Mar 8
Southwest Logo
7:10 am - 2:20 pm
HRL
-
ONT
9h 10m
2 stops
Southwest Logo
11:15 am - 9:50 pm
ONT
-
HRL
8h 35m
2 stops
$371Southwest
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
5:18 pm - 9:50 pm
HRL
-
ONT
6h 32m
1 stop
United Airlines Logo
6:05 am - 4:04 pm
ONT
-
HRL
7h 59m
1 stop
$408United Airlines
Thu, Apr 9 - Tue, Apr 14
United Airlines Logo
5:18 pm - 9:58 pm
HRL
-
ONT
6h 40m
1 stop
United Airlines Logo
6:00 am - 9:59 pm
ONT
-
HRL
13h 59m
1 stop
$427United Airlines
Tue, May 12 - Sun, May 17
United Airlines Logo
9:20 am - 5:52 pm
HRL
-
ONT
10h 32m
2 stops
United Airlines Logo
6:00 am - 9:59 pm
ONT
-
HRL
13h 59m
1 stop
$432United Airlines
Tue, May 12 - Sun, May 17
American Airlines Logo
8:06 pm - 8:51 am
HRL
-
ONT
14h 45m
2 stops
American Airlines Logo
11:59 pm - 10:17 am
ONT
-
HRL
8h 18m
1 stop
$438American Airlines
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
5:18 pm - 9:50 pm
HRL
-
ONT
6h 32m
1 stop
United Airlines Logo
5:10 am - 7:40 pm
ONT
-
HRL
12h 30m
2 stops
$469United Airlines
Thu, Apr 9 - Tue, Apr 14

American Airlines flights from Harlingen, Texas to Ontario

Our best American Airlines deals on Harlingen, Texas to Ontario flight tickets
American Airlines
Mar 4
HRL6:00 amHarlingen Valley Intl
6h 06m
1 stop
ONT10:06 amOntario
Mar 8
ONT11:58 pmOntario
8h 14m
1 stop
HRL10:12 amHarlingen Valley Intl
$274
American Airlines
Feb 28
HRL6:00 amHarlingen Valley Intl
6h 06m
1 stop
ONT10:06 amOntario
Mar 4
ONT11:58 pmOntario
8h 14m
1 stop
HRL10:12 amHarlingen Valley Intl
$293
American Airlines
Mar 4
HRL2:45 pmHarlingen Valley Intl
9h 34m
2 stops
ONT10:19 pmOntario
Mar 8
ONT11:58 pmOntario
8h 14m
1 stop
HRL10:12 amHarlingen Valley Intl
$370

Southwest flights from Harlingen, Texas to Ontario

Our best Southwest deals on Harlingen, Texas to Ontario flight tickets
Southwest
Feb 28
HRL7:10 amHarlingen Valley Intl
9h 10m
2 stops
ONT2:20 pmOntario
Mar 4
ONT11:15 amOntario
8h 35m
2 stops
HRL9:50 pmHarlingen Valley Intl
$371
Southwest
Mar 4
HRL7:35 amHarlingen Valley Intl
6h 50m
2 stops
ONT12:25 pmOntario
Mar 8
ONT1:05 pmOntario
9h 00m
2 stops
HRL12:05 amHarlingen Valley Intl
$504
Southwest
Feb 19
HRL6:35 amHarlingen Valley Intl
10h 20m
1 stop
ONT2:55 pmOntario
Feb 21
ONT11:15 amOntario
9h 35m
2 stops
HRL10:50 pmHarlingen Valley Intl
$514

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Harlingen, Texas to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Wed 3/4

6:00 am-10:06 am

1 stop6h 06m

Ontario

Sun 3/8

11:58 pm-10:12 am

1 stop8h 14m

$274

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Sat 2/28

6:00 am-10:06 am

1 stop6h 06m

Ontario

Wed 3/4

11:58 pm-10:12 am

1 stop8h 14m

$293

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Sat 2/28

5:22 pm-9:59 pm

1 stop6h 37m

Ontario

Wed 3/4

6:37 pm-11:16 am

2 stops14h 39m

$359

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Wed 3/4

2:45 pm-10:19 pm

2 stops9h 34m

Ontario

Sun 3/8

11:58 pm-10:12 am

1 stop8h 14m

$370

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Sat 2/28

7:10 am-2:20 pm

2 stops9h 10m

Ontario

Wed 3/4

11:15 am-9:50 pm

2 stops8h 35m

$371

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Thu 4/9

5:18 pm-9:50 pm

1 stop6h 32m

Ontario

Tue 4/14

6:05 am-4:04 pm

1 stop7h 59m

$408

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Tue 5/12

5:18 pm-9:58 pm

1 stop6h 40m

Ontario

Sun 5/17

6:00 am-9:59 pm

1 stop13h 59m

$427

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Tue 5/12

9:20 am-5:52 pm

2 stops10h 32m

Ontario

Sun 5/17

6:00 am-9:59 pm

1 stop13h 59m

$432

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Fri 4/3

8:06 pm-8:51 am

2 stops14h 45m

Ontario

Mon 4/13

11:59 pm-10:17 am

1 stop8h 18m

$438

HarlingenOntario

HRL - ONT

HRLONT

Harlingen Valley Intl

Thu 4/9

5:18 pm-9:50 pm

1 stop6h 32m

Ontario

Tue 4/14

5:10 am-7:40 pm

2 stops12h 30m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Harlingen, 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 airline that flies from Harlingen Valley Intl to Ontario?

Delta, United Airlines, and Southwest are the most popular carriers operating from Harlingen Valley Intl to Ontario

What airlines fly to Ontario?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Harlingen, Texas according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Harlingen, Texas to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen, Texas to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen, Texas to Ontario (HRL to ONT) flight deals and tips

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

Fastest flight time

6h 05m

Direct flights

None
The fastest flight from Harlingen, Texas to Ontario takes 6h 05m
There are no direct flights from Harlingen, Texas to Ontario. There are no popular flight routes from Harlingen, Texas to Ontario.
Search flight deals

  • How far is Harlingen Valley Intl to Ontario by plane?

    There are 1306.7 mi between Harlingen Valley Intl and Ontario. 6h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Ontario Airport?

    Prices for flights from Harlingen Valley Intl Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Harlingen Valley Intl Airport to Ontario Airport?

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport 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 airline from Harlingen, Texas to Ontario?

Best airlines flying from Harlingen, Texas to Ontario

Compare and see reviews for airlines that fly from Harlingen, Texas to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $224Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Harlingen to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from Harlingen on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Harlingen 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 Harlingen to Ontario right now. Can momondo alert me if prices change?

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

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