Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Harlingen to Los Angeles from $126

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Harlingen to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:40 am - 11:30 amHRL  Harlingen Valley Intl-ONT Ontario
6h 50m1 stop Austin Bergstrom
Southwest Logo
1:20 pm - 11:30 pmONT  Ontario-HRL Harlingen Valley Intl
8h 10m2 stops Denver Intl Houston Hobby
$279Southwest
Mon, Nov 2 - Mon, Nov 2
Southwest Logo
5:50 am - 10:50 amHRL  Harlingen Valley Intl-ONT Ontario
7h 00m2 stops Houston Hobby Phoenix Sky Harbor Intl
Southwest Logo
1:20 pm - 11:30 pmONT  Ontario-HRL Harlingen Valley Intl
8h 10m2 stops Denver Intl Houston Hobby
$305Southwest
Mon, Nov 2 - Mon, Nov 2
United Airlines Logo
5:25 pm - 9:40 pmHRL  Harlingen Valley Intl-ONT Ontario
6h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 4:01 pmONT  Ontario-HRL Harlingen Valley Intl
8h 01m1 stop Houston George Bush Intcntl
$313United Airlines
Tue, Nov 10 - Wed, Nov 11
United Airlines Logo
7:10 am - 3:33 pmHRL  Harlingen Valley Intl-ONT Ontario
10h 23m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
6:00 am - 4:01 pmONT  Ontario-HRL Harlingen Valley Intl
8h 01m1 stop Houston George Bush Intcntl
$318United Airlines
Tue, Nov 10 - Wed, Nov 11
United Airlines Logo
7:10 am - 3:33 pmHRL  Harlingen Valley Intl-ONT Ontario
10h 23m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
9:25 am - 10:48 pmONT  Ontario-HRL Harlingen Valley Intl
11h 23m2 stops San Francisco Houston George Bush Intcntl
$323United Airlines
Tue, Nov 10 - Wed, Nov 11
American Airlines Logo
5:40 am - 9:50 amHRL  Harlingen Valley Intl-ONT Ontario
6h 10m1 stop Dallas/Fort Worth
American Airlines Logo
2:17 pm - 10:54 pmONT  Ontario-HRL Harlingen Valley Intl
6h 37m1 stop Dallas/Fort Worth
$337American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
5:40 am - 9:50 amHRL  Harlingen Valley Intl-ONT Ontario
6h 10m1 stop Dallas/Fort Worth
American Airlines Logo
2:17 pm - 10:54 pmONT  Ontario-HRL Harlingen Valley Intl
6h 37m1 stop Dallas/Fort Worth
$340American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
5:40 am - 9:50 amHRL  Harlingen Valley Intl-ONT Ontario
6h 10m1 stop Dallas/Fort Worth
American Airlines Logo
7:26 pm - 2:17 pmONT  Ontario-HRL Harlingen Valley Intl
16h 51m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$354American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
5:40 am - 9:50 amHRL  Harlingen Valley Intl-ONT Ontario
6h 10m1 stop Dallas/Fort Worth
American Airlines Logo
12:44 pm - 10:54 pmONT  Ontario-HRL Harlingen Valley Intl
8h 10m1 stop Dallas/Fort Worth
$358American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
5:50 am - 9:35 amHRL  Harlingen Valley Intl-ONT Ontario
5h 45m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 10:08 amONT  Ontario-HRL Harlingen Valley Intl
8h 09m1 stop Dallas/Fort Worth
$360American Airlines
Mon, Oct 12 - Mon, Oct 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Harlingen to Ontario

Our best Southwest deals on Harlingen to Ontario flight tickets
Southwest
Nov 2
HRL6:40 amHarlingen Valley Intl
6h 50m
1 stop
ONT11:30 amOntario
Nov 2
ONT1:20 pmOntario
8h 10m
2 stops
HRL11:30 pmHarlingen Valley Intl
$279
Southwest
Nov 2
HRL5:50 amHarlingen Valley Intl
7h 00m
2 stops
ONT10:50 amOntario
Nov 2
ONT1:20 pmOntario
8h 10m
2 stops
HRL11:30 pmHarlingen Valley Intl
$305
Southwest
Sep 29
HRL4:25 pmHarlingen Valley Intl
6h 35m
2 stops
ONT9:00 pmOntario
Oct 3
ONT5:45 amOntario
7h 55m
2 stops
HRL3:40 pmHarlingen Valley Intl
$439

American Airlines flights from Harlingen to Ontario

Our best American Airlines deals on Harlingen to Ontario flight tickets
American Airlines
Jan 21
HRL5:40 amHarlingen Valley Intl
6h 10m
1 stop
ONT9:50 amOntario
Jan 25
ONT2:17 pmOntario
6h 37m
1 stop
HRL10:54 pmHarlingen Valley Intl
$337
American Airlines
Jan 21
HRL5:40 amHarlingen Valley Intl
6h 10m
1 stop
ONT9:50 amOntario
Jan 25
ONT2:17 pmOntario
6h 37m
1 stop
HRL10:54 pmHarlingen Valley Intl
$340
American Airlines
Jan 21
HRL5:40 amHarlingen Valley Intl
6h 10m
1 stop
ONT9:50 amOntario
Jan 25
ONT7:26 pmOntario
16h 51m
2 stops
HRL2:17 pmHarlingen Valley Intl
$354

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Mon 11/2

6:40 am-11:30 am

1 stop6h 50m

Ontario

Mon 11/2

1:20 pm-11:30 pm

2 stops8h 10m

$279

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Mon 11/2

5:50 am-10:50 am

2 stops7h 00m

Ontario

Mon 11/2

1:20 pm-11:30 pm

2 stops8h 10m

$305

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Tue 11/10

5:25 pm-9:40 pm

1 stop6h 15m

Ontario

Wed 11/11

6:00 am-4:01 pm

1 stop8h 01m

$313

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Tue 11/10

7:10 am-3:33 pm

2 stops10h 23m

Ontario

Wed 11/11

6:00 am-4:01 pm

1 stop8h 01m

$318

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Tue 11/10

7:10 am-3:33 pm

2 stops10h 23m

Ontario

Wed 11/11

9:25 am-10:48 pm

2 stops11h 23m

$323
Quickest round-trip

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Thu 1/21

5:40 am-9:50 am

1 stop6h 10m

Ontario

Mon 1/25

2:17 pm-10:54 pm

1 stop6h 37m

$337

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Thu 1/21

5:40 am-9:50 am

1 stop6h 10m

Ontario

Mon 1/25

2:17 pm-10:54 pm

1 stop6h 37m

$340

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Thu 1/21

5:40 am-9:50 am

1 stop6h 10m

Ontario

Mon 1/25

7:26 pm-2:17 pm

2 stops16h 51m

$354

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Thu 1/21

5:40 am-9:50 am

1 stop6h 10m

Ontario

Mon 1/25

12:44 pm-10:54 pm

1 stop8h 10m

$358

HarlingenOntario

HRL Harlingen Valley Intl - ONT Ontario

HRLONT

Harlingen Valley Intl

Mon 10/12

5:50 am-9:35 am

1 stop5h 45m

Ontario

Mon 10/19

11:59 pm-10:08 am

1 stop8h 09m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Harlingen 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?

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

What airlines fly to Ontario?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ontario from Harlingen according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 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 to Ontario

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

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

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

Best Price Found

$126

Fastest flight time

6h 05m

Direct flights

None
The best one-way flight to Ontario from Harlingen in the past 72 hours is $126. The best round-trip flight deal from Harlingen to Ontario found on momondo in the last 72 hours is $279.
The fastest flight from Harlingen to Ontario takes 6h 05m
There are no direct flights from Harlingen to Ontario. There are no popular flight routes from Harlingen to Ontario.
Search flight deals

Frequently asked questions about flying from Harlingen to Ontario

  • 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 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.

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/15
Thu 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States