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Harlingen

$139+ Cheap flights from Philadelphia to Harlingen (PHL - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HRL
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Find cheap flights from Philadelphia to Harlingen with Cheapflights

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Cheap flight deals from Philadelphia to Harlingen

Cheapest flights from Philadelphia to Harlingen
Explore the most affordable flight options available from Philadelphia to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:00 am
PHL
-
HRL
1 stop6h 13m
American Airlines
Thu 5/286:00 am
HRL
-
PHL
1 stop6h 01m
American Airlines
Deal found 4/27$365
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:00 pm
PHL
-
HRL
2 stops9h 00m
Southwest
Thu 5/286:55 am
HRL
-
PHL
2 stops9h 20m
Southwest
Deal found 4/27$387
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:16 am
PHL
-
HRL
1 stop7h 58m
United Airlines
Tue 9/15:15 am
HRL
-
PHL
1 stop5h 43m
United Airlines
Deal found 4/26$390
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:10 am
PHL
-
HRL
2 stops9h 10m
Southwest
Sat 8/227:00 am
HRL
-
PHL
2 stops8h 10m
Southwest
Deal found 4/26$399
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:28 am
PHL
-
HRL
2 stops10h 01m
United Airlines
Tue 8/255:15 am
HRL
-
PHL
2 stops7h 53m
United Airlines
Deal found 4/26$400
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:10 am
PHL
-
HRL
2 stops9h 10m
Southwest
Sun 8/236:50 am
HRL
-
PHL
2 stops9h 50m
Southwest
Deal found 4/26$404
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:00 am
PHL
-
HRL
1 stop9h 04m
United Airlines
Sat 8/222:00 pm
HRL
-
PHL
2 stops9h 50m
United Airlines
Deal found 4/26$414
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:00 am
PHL
-
HRL
1 stop6h 17m
American Airlines
Sat 8/225:54 am
HRL
-
PHL
1 stop6h 09m
American Airlines
Deal found 4/26$415
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:57 pm
PHL
-
HRL
1 stop6h 16m
American Airlines
Wed 8/265:54 am
HRL
-
PHL
1 stop6h 59m
American Airlines
Deal found 4/26$418
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:20 am
PHL
-
HRL
2 stops7h 20m
Southwest
Sun 8/236:50 am
HRL
-
PHL
2 stops9h 50m
Southwest
Deal found 4/26$419
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:16 am
PHL
-
HRL
1 stop7h 58m
United Airlines
Tue 8/255:15 am
HRL
-
PHL
1 stop5h 43m
United Airlines
Deal found 4/26$423

Find flight deals from Philadelphia to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$365
(American Airlines)

One-way from

$139
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$535
Provider with most accurate pricing for Philadelphia-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Harlingen Valley Intl flights.
Search Deals
From Philadelphia to Harlingen Valley Intl
Search Deals
One-way flight from Philadelphia to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Harlingen 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2026.
Use the filters below to find and compare flights from Philadelphia to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 8/29

6:16 am-1:14 pm

1 stop7h 58m

Harlingen Valley Intl

Tue 9/1

2:00 pm-10:33 pm

1 stop7h 33m

$390

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 6/12

9:00 am-5:00 pm

2 stops9h 00m

Harlingen Valley Intl

Mon 6/15

11:35 am-9:50 pm

2 stops9h 15m

$404
Quickest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 6/12

5:00 am-10:08 am

1 stop6h 08m

Harlingen Valley Intl

Mon 6/15

4:57 pm-12:36 am

1 stop6h 39m

$435

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 5/9

10:00 am-8:00 pm

2 stops11h 00m

Harlingen Valley Intl

Wed 8/19

5:15 am-11:58 am

1 stop5h 43m

$461

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 8/20

10:28 am-7:29 pm

2 stops10h 01m

Harlingen Valley Intl

Sun 8/23

5:15 am-11:58 am

1 stop5h 43m

$474

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 5/12

12:50 pm-8:00 pm

1 stop8h 10m

Harlingen Valley Intl

Wed 5/13

7:00 am-4:24 pm

1 stop8h 24m

$519
Cheapest one-way

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 5/29

10:32 am-9:54 pm

2 stops12h 22m

$207
Quickest one-way

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 5/12

12:50 pm-8:00 pm

1 stop8h 10m

$260

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Wed 5/13

11:32 am-9:59 pm

2 stops11h 27m

$265

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Mon 5/4

6:05 am-3:05 pm

1 stop10h 00m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Harlingen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Harlingen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Harlingen

How much does it cost to fly round-trip from Philadelphia to Harlingen?

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated April 29, 2026.
Peruse reviews from past customers who have flown with American Airlines from Philadelphia to Harlingen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,678 reviews

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.1
Good
11,678 reviews
American Airlines
7.1
Good
11,678 reviews

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Harlingen?

    A quick flight from Philadelphia to Harlingen can take about 7h 58m. United Airlines provides one of the quickest options available for as low as $390. There are 1596 mi between Philadelphia and Harlingen. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Philadelphia to Harlingen round-trip?

    Currently priced at $294, American Airlines will fly you from Philadelphia to Harlingen and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Philadelphia to Harlingen that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Harlingen.

  • Can I find deals for business class flights from Philadelphia to Harlingen?

    Yes. Cheapflights offers flight deals from Philadelphia to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Philadelphia to Harlingen

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Top airline flying from Philadelphia to Harlingen

Discover the top airline that operate flights from Philadelphia to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$294Average$441FlexibilityNo cancel feeOn-time71%

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