$126 Cheap Flights from Philadelphia (PHL) to Harlingen (HRL)

View $126 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)

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Cheap Flights from Philadelphia to Harlingen (PHL-HRL)

Prices were available within the past 7 days and start at $126 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 24 - Sat, Feb 7
PHL
Philadelphia
HRL
Harlingen
$251 Roundtrip, found 11 hours ago
$251
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Jan 24 from Philadelphia to Harlingen, returning Sat, Feb 7, priced at $251 found 11 hours ago
Delta
Fri, Jan 16 - Sat, Jan 31
PHL
Philadelphia
HRL
Harlingen
$270 Roundtrip, found 11 hours ago
$270
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Jan 16 from Philadelphia to Harlingen, returning Sat, Jan 31, priced at $270 found 11 hours ago
American Airlines
Wed, Dec 10 - Fri, Dec 12
PHL
Philadelphia
HRL
Harlingen
$274 Roundtrip, found 14 hours ago
$274
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Philadelphia to Harlingen, returning Fri, Dec 12, priced at $274 found 14 hours ago
American Airlines
Sun, Dec 7 - Mon, Dec 8
PHL
Philadelphia
HRL
Harlingen
$289 Roundtrip, found 18 hours ago
$289
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Dec 7 from Philadelphia to Harlingen, returning Mon, Dec 8, priced at $289 found 18 hours ago
American Airlines
Thu, Jan 8 - Mon, Jan 12
PHL
Philadelphia
HRL
Harlingen
$294 Roundtrip, found 20 hours ago
$294
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Jan 8 from Philadelphia to Harlingen, returning Mon, Jan 12, priced at $294 found 20 hours ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
PHL
Philadelphia
HRL
Harlingen
$297 Roundtrip, found 6 hours ago
$297
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Dec 5 from Philadelphia to Harlingen, returning Sun, Dec 7, priced at $297 found 6 hours ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
PHL
Philadelphia
HRL
Harlingen
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Philadelphia to Harlingen, returning Mon, Dec 8, priced at $299 found 6 days ago
Delta
Fri, Dec 5 - Sun, Dec 7
PHL
Philadelphia
HRL
Harlingen
$303 Roundtrip, found 6 hours ago
$303
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Dec 5 from Philadelphia to Harlingen, returning Sun, Dec 7, priced at $303 found 6 hours ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
PHL
Philadelphia
HRL
Harlingen
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Philadelphia to Harlingen, returning Mon, Dec 8, priced at $304 found 6 days ago
United
Wed, Nov 19 - Tue, Dec 2
PHL
Philadelphia
HRL
Harlingen
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 19 from Philadelphia to Harlingen, returning Tue, Dec 2, priced at $330 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Harlingen (HRL)

September is typically the cheapest month to fly

From $215 - $447 per traveler.

Alternative airports near Harlingen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brownsville-South Padre Island Intl. BRO. Average driving time to city center is 33 minutes. Flights from $414
BRO
Brownsville-South Padre Island Intl.
Average driving time to city center33 min
Flights from $414

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL) cost?
Lock in a cheap one-way flight from $126 or cheap return flight from $251 from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)?
January is the least expensive month to fly from PHL to HRL. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)?
To find the cheapest airline that'll fly you from PHL to HRL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)?
You'll have to hop on a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PHL to HRL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)?
To reach Valley Intl. Airport (HRL) without delays, choose a flight that leaves from Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL) last-minute?
Holding off until just before your trip to book a ticket from PHL to HRL generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a PHL to HRL flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHL to HRL flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Valley Intl. Airport (HRL)?
In most cases, you can reschedule or cancel your PHL to HRL flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Valley Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$250
Distance
1597 mi

Book with confidence

Philadelphia to Harlingen Flights

The cheapest times to fly from Philadelphia to Harlingen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Harlingen are during the month of January. You can find some of the cheapest flights from Philadelphia to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Harlingen

Sunday is one of the best days to book for cheap flights from Philadelphia to Harlingen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Harlingen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Harlingen in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Harlingen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Harlingen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Harlingen Flights

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*Available to One Key members.