$180+ Cheap flights from Philadelphia to Harlingen (PHL - HRL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HRL
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Harlingen
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Best
Last-minute
One-way
Cheapest flights from Philadelphia to HarlingenExplore 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 September 12, 2026.
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 September 12, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/45:00 am -
1 stop5h 58m
Wed 10/142:46 pm -
1 stop8h 39m
Deal found 9/8![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:40 am -
2 stops12h 12m
Sat 10/315:05 am -
1 stop5h 32m
Deal found 9/8![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop8h 07m
Sun 10/45:05 am -
1 stop5h 53m
Deal found 9/9![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop8h 07m
Mon 10/55:05 am -
1 stop5h 53m
Deal found 9/9![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/7. 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.
Fri 10/305:45 am -
1 stop8h 38m
Sun 11/12:13 pm -
1 stop8h 37m
Deal found 9/7![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 10/205:00 am -
1 stop6h 08m
Sat 10/3110:40 am -
1 stop7h 10m
Deal found 9/8![American Airlines logo]()
$403
Best flights from Philadelphia to HarlingenDiscover carefully curated flight deals from Philadelphia to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Philadelphia to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:00 am -
1 stop9h 03m
Sun 1/105:05 am -
1 stop6h 00m
Deal found 9/9![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:45 am -
1 stop8h 38m
Sun 11/12:13 pm -
1 stop8h 37m
Deal found 9/8![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:45 am -
2 stops7h 20m
Wed 10/141:00 pm -
2 stops7h 50m
Deal found 9/8![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop8h 07m
Mon 10/55:05 am -
1 stop5h 53m
Deal found 9/9![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:20 pm -
2 stops10h 28m
Wed 11/115:05 am -
1 stop5h 32m
Deal found 9/9![United Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 9/248:00 am -
2 stops8h 40m
Mon 9/2811:55 am -
2 stops9h 25m
Deal found 9/9![Southwest logo]()
$519
Last-minute flights from Philadelphia to HarlingenDiscover last-minute flight deals from Philadelphia to Harlingen. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Harlingen. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop8h 07m
Sun 10/45:05 am -
1 stop5h 53m
Deal found 9/9![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop8h 07m
Mon 10/55:05 am -
1 stop5h 53m
Deal found 9/9![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/45:00 am -
1 stop5h 58m
Wed 10/142:46 pm -
1 stop8h 39m
Deal found 9/8![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:40 am -
2 stops12h 12m
Sat 10/315:05 am -
1 stop5h 32m
Deal found 9/8![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 10/205:00 am -
1 stop6h 08m
Sat 10/3110:40 am -
1 stop7h 10m
Deal found 9/8![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/7. 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.
Fri 10/305:45 am -
1 stop8h 38m
Sun 11/12:13 pm -
1 stop8h 37m
Deal found 9/7![Delta logo]()
$379
One-way flights from Philadelphia to HarlingenSearch for one-way flight options from Philadelphia to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Philadelphia to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/15:00 am -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 11/16:00 am -
2 stops11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am -
1 stop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:30 am -
2 stops11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 9/9. 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.
Wed 12/232:15 pm -
2 stops10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$274
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:30 pm -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$424
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $180 (American Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $466 |
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 7,457,451 searches. Data last updated September 12, 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
Cheapest round-trip
Quickest round-trip
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Sun 11/1
5:00 am-10:14 am
1 stop6h 14m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Sun 11/1
6:00 am-4:01 pm
2 stops11h 01m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Wed 9/23
9:30 am-7:39 pm
2 stops11h 09m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Wed 12/23
2:15 pm-12:05 am
2 stops10h 50m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$274
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Mon 1/4
8:00 am-4:03 pm
1 stop9h 03m
Harlingen Valley Intl
Sun 1/10
5:05 am-12:05 pm
1 stop6h 00m
$369
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Fri 10/30
5:45 am-1:23 pm
1 stop8h 38m
Harlingen Valley Intl
Sun 11/1
2:13 pm-11:50 pm
1 stop8h 37m
$379
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Sun 10/4
6:45 am-1:05 pm
2 stops7h 20m
Harlingen Valley Intl
Wed 10/14
1:00 pm-9:50 pm
2 stops7h 50m
$439
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Thu 10/1
6:16 am-1:23 pm
1 stop8h 07m
Harlingen Valley Intl
Mon 10/5
5:05 am-11:58 am
1 stop5h 53m
$459
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Tue 11/10
1:20 pm-10:48 pm
2 stops10h 28m
Harlingen Valley Intl
Wed 11/11
5:05 am-11:37 am
1 stop5h 32m
$464
PhiladelphiaHarlingen
PHL Philadelphia - HRL Harlingen Valley Intl
PHLHRL
Philadelphia
Thu 9/24
8:00 am-3:40 pm
2 stops8h 40m
Harlingen Valley Intl
Mon 9/28
11:55 am-10:20 pm
2 stops9h 25m
$519
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PHL-HRL
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.
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 September 12, 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.
Overall
7.1
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
Excellentameenah,Feb 2024
PHL - DFW
Overall
7.1
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
Excellentameenah,Feb 2024
PHL - DFW
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.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Philadelphia to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Philadelphia and Harlingen flights
Browse other Philadelphia and Harlingen flight options. Last updated on September 12, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$462 | FlexibilityNo cancel fee | On-time71% |