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Harlingen

$157+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HRL
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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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 May 9, 2026.

This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 6/241:50 pm
PHL
-
HRL
2 stops10h 10m
Southwest
Tue 6/302:10 pm
HRL
-
PHL
2 stops7h 40m
Southwest
Deal found 5/5$304
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:15 am
PHL
-
HRL
1 stop8h 16m
Delta
Fri 11/202:00 pm
HRL
-
PHL
1 stop8h 40m
Delta
Deal found 5/9$335
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 6/145:00 am
PHL
-
HRL
1 stop6h 13m
American Airlines
Sat 6/205:18 pm
HRL
-
PHL
1 stop6h 18m
American Airlines
Deal found 5/5$349
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/245:00 am
PHL
-
HRL
1 stop6h 13m
American Airlines
Tue 6/306:00 am
HRL
-
PHL
1 stop7h 20m
American Airlines
Deal found 5/5$382
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 5/2012:56 pm
PHL
-
HRL
1 stop7h 37m
American Airlines
Sun 5/246:00 am
HRL
-
PHL
1 stop6h 01m
American Airlines
Deal found 5/5$393
This Southwest deal was found by Cheapflights users on 5/5. 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 6/145:30 am
PHL
-
HRL
2 stops10h 30m
Southwest
Sat 6/205:05 am
HRL
-
PHL
1 stop5h 45m
Southwest
Deal found 5/5$396
This Southwest deal was found by Cheapflights users on 5/9. 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.
Mon 11/165:30 am
PHL
-
HRL
2 stops7h 45m
Southwest
Fri 11/201:00 pm
HRL
-
PHL
2 stops9h 15m
Southwest
Deal found 5/9$399
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 5/209:10 am
PHL
-
HRL
2 stops9h 10m
Southwest
Sun 5/2412:45 pm
HRL
-
PHL
2 stops7h 25m
Southwest
Deal found 5/5$419
This United Airlines deal was found by Cheapflights users on 5/4. 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 9/11:04 pm
PHL
-
HRL
1 stop7h 25m
United Airlines
Sat 9/52:00 pm
HRL
-
PHL
1 stop7h 33m
United Airlines
Deal found 5/4$448
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/167:05 am
PHL
-
HRL
1 stop8h 16m
American Airlines
Wed 5/206:00 am
HRL
-
PHL
1 stop6h 40m
American Airlines
Deal found 5/8$451

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(Southwest)

One-way from

$157
(Southwest)

Popular in

October

Cheapest in

January

Average price

$365
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. 19% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 9, 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

Sun 6/14

5:30 am-3:00 pm

2 stops10h 30m

Harlingen Valley Intl

Sat 6/20

5:05 am-11:50 am

1 stop5h 45m

$396

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Wed 5/20

6:00 am-2:21 pm

2 stops9h 21m

Harlingen Valley Intl

Sun 5/24

6:00 am-1:01 pm

1 stop6h 01m

$401
Quickest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 9/1

1:04 pm-7:29 pm

1 stop7h 25m

Harlingen Valley Intl

Sat 9/5

2:00 pm-10:33 pm

1 stop7h 33m

$448

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 9/1

6:16 am-1:14 pm

1 stop7h 58m

Harlingen Valley Intl

Wed 9/2

2:00 pm-10:31 pm

1 stop7h 31m

$452
Cheapest one-way
Quickest one-way

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 8/11

6:25 am-1:00 pm

2 stops7h 35m

$157

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Wed 8/12

6:25 am-1:00 pm

2 stops7h 35m

$157

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 8/14

10:30 am-9:52 pm

2 stops12h 22m

$265

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Wed 8/12

6:16 am-1:24 pm

1 stop8h 08m

$305

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 8/13

6:25 am-3:59 pm

2 stops10h 34m

$310

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sun 8/9

6:10 am-3:59 pm

2 stops10h 49m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 11 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 May.
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 May 9, 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
11,669 reviews

Food

6.4

Crew

7.9

Entertainment

6.9

Comfort

7.2

Overall

7.1

Boarding

7.5

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
11,669 reviews
American Airlines
7.1
Good
11,669 reviews

Food

6.4

Crew

7.9

Entertainment

6.9

Comfort

7.2

Overall

7.1

Boarding

7.5

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. Southwest provides one of the quickest options available for as low as $452. 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 29% 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$294Average$441FlexibilityNo cancel feeOn-time71%

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