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Cheap flights from Philadelphia to Harlingen from $210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Harlingen departing on 6/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Philadelphia to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:15 am - 1:31 pm
PHL
-
HRL
8h 16m
1 stop
Delta Logo
2:00 pm - 11:40 pm
HRL
-
PHL
8h 40m
1 stop
$327Delta
Tue, Nov 10 - Thu, Nov 19
Delta Logo
6:15 am - 1:31 pm
PHL
-
HRL
8h 16m
1 stop
Delta Logo
2:00 pm - 11:40 pm
HRL
-
PHL
8h 40m
1 stop
$332Delta
Tue, Nov 10 - Thu, Nov 19
Delta Logo
6:15 am - 1:31 pm
PHL
-
HRL
8h 16m
1 stop
Delta Logo
2:00 pm - 11:40 pm
HRL
-
PHL
8h 40m
1 stop
$337Delta
Tue, Nov 10 - Thu, Nov 19
United Airlines Logo
6:15 am - 3:58 pm
PHL
-
HRL
10h 43m
2 stops
United Airlines Logo
5:05 am - 11:58 am
HRL
-
PHL
5h 53m
1 stop
$342United Airlines
Tue, Sep 29 - Wed, Sep 30
United Airlines Logo
6:15 am - 3:58 pm
PHL
-
HRL
10h 43m
2 stops
United Airlines Logo
5:05 am - 2:43 pm
HRL
-
PHL
8h 38m
2 stops
$347United Airlines
Tue, Sep 29 - Wed, Sep 30
Southwest Logo
8:50 am - 6:35 pm
PHL
-
HRL
10h 45m
2 stops
Southwest Logo
11:35 am - 9:55 pm
HRL
-
PHL
9h 20m
2 stops
$372Southwest
Sat, Jul 4 - Fri, Jul 10
American Airlines Logo
9:07 am - 4:23 pm
PHL
-
HRL
8h 16m
1 stop
American Airlines Logo
4:58 pm - 12:35 am
HRL
-
PHL
6h 37m
1 stop
$379American Airlines
Fri, Jul 31 - Tue, Aug 4
Delta Logo
6:15 am - 1:31 pm
PHL
-
HRL
8h 16m
1 stop
Delta Logo
2:00 pm - 11:40 pm
HRL
-
PHL
8h 40m
1 stop
$386Delta
Tue, Nov 10 - Thu, Nov 19
Southwest Logo
5:50 am - 12:30 pm
PHL
-
HRL
7h 40m
2 stops
Southwest Logo
6:20 am - 3:55 pm
HRL
-
PHL
8h 35m
2 stops
$388Southwest
Thu, Oct 8 - Sun, Oct 11
Southwest Logo
2:30 pm - 10:25 pm
PHL
-
HRL
8h 55m
2 stops
Southwest Logo
6:20 am - 3:55 pm
HRL
-
PHL
8h 35m
2 stops
$394Southwest
Fri, Oct 9 - Sun, Oct 11

Southwest flights from Philadelphia to Harlingen

Our best Southwest deals on Philadelphia to Harlingen flight tickets
Southwest
Oct 1
PHL5:50 amPhiladelphia
7h 40m
2 stops
HRL12:30 pmHarlingen Valley Intl
Oct 5
HRL6:40 amHarlingen Valley Intl
8h 10m
2 stops
PHL3:50 pmPhiladelphia
$359
Southwest
Jul 4
PHL8:50 amPhiladelphia
10h 45m
2 stops
HRL6:35 pmHarlingen Valley Intl
Jul 10
HRL11:35 amHarlingen Valley Intl
9h 20m
2 stops
PHL9:55 pmPhiladelphia
$372
Southwest
Oct 8
PHL5:50 amPhiladelphia
7h 40m
2 stops
HRL12:30 pmHarlingen Valley Intl
Oct 11
HRL6:20 amHarlingen Valley Intl
8h 35m
2 stops
PHL3:55 pmPhiladelphia
$388

Delta flights from Philadelphia to Harlingen

Our best Delta deals on Philadelphia to Harlingen flight tickets
Delta
Nov 10
PHL6:15 amPhiladelphia
8h 16m
1 stop
HRL1:31 pmHarlingen Valley Intl
Nov 19
HRL2:00 pmHarlingen Valley Intl
8h 40m
1 stop
PHL11:40 pmPhiladelphia
$327
Delta
Nov 10
PHL6:15 amPhiladelphia
8h 16m
1 stop
HRL1:31 pmHarlingen Valley Intl
Nov 19
HRL2:00 pmHarlingen Valley Intl
8h 40m
1 stop
PHL11:40 pmPhiladelphia
$332
Delta
Nov 10
PHL6:15 amPhiladelphia
8h 16m
1 stop
HRL1:31 pmHarlingen Valley Intl
Nov 19
HRL2:00 pmHarlingen Valley Intl
8h 40m
1 stop
PHL11:40 pmPhiladelphia
$337

momondo 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, momondo users made 832,500 searches. Data last updated June 6, 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

Tue 11/10

6:15 am-1:31 pm

1 stop8h 16m

Harlingen Valley Intl

Thu 11/19

2:00 pm-11:40 pm

1 stop8h 40m

$327

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 11/10

6:15 am-1:31 pm

1 stop8h 16m

Harlingen Valley Intl

Thu 11/19

2:00 pm-11:40 pm

1 stop8h 40m

$332

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 11/10

6:15 am-1:31 pm

1 stop8h 16m

Harlingen Valley Intl

Thu 11/19

2:00 pm-11:40 pm

1 stop8h 40m

$337

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 9/29

6:15 am-3:58 pm

2 stops10h 43m

Harlingen Valley Intl

Wed 9/30

5:05 am-11:58 am

1 stop5h 53m

$342

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 9/29

6:15 am-3:58 pm

2 stops10h 43m

Harlingen Valley Intl

Wed 9/30

5:05 am-2:43 pm

2 stops8h 38m

$347

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 7/4

8:50 am-6:35 pm

2 stops10h 45m

Harlingen Valley Intl

Fri 7/10

11:35 am-9:55 pm

2 stops9h 20m

$372
Quickest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 7/31

9:07 am-4:23 pm

1 stop8h 16m

Harlingen Valley Intl

Tue 8/4

4:58 pm-12:35 am

1 stop6h 37m

$379

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 11/10

6:15 am-1:31 pm

1 stop8h 16m

Harlingen Valley Intl

Thu 11/19

2:00 pm-11:40 pm

1 stop8h 40m

$386

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 10/8

5:50 am-12:30 pm

2 stops7h 40m

Harlingen Valley Intl

Sun 10/11

6:20 am-3:55 pm

2 stops8h 35m

$388

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Fri 10/9

2:30 pm-10:25 pm

2 stops8h 55m

Harlingen Valley Intl

Sun 10/11

6:20 am-3:55 pm

2 stops8h 35m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Philadelphia to Harlingen

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 typical price of a round-trip flight between Philadelphia and Harlingen?

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of September, then book flights to Harlingen from Philadelphia during March instead. Flights to Harlingen in March, while not as cheap as those in September, still average around $0.

Can stopping save me money on Philadelphia to Harlingen flights?

You could potentially save up to 15% on your flight if you consider stops on a Philadelphia to Harlingen flight.

When to book flights from Philadelphia to Harlingen

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

Cheap Philadelphia to Harlingen (PHL to HRL) flight deals and tips

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

Fastest flight time

7h 25m

Direct flights

None
The fastest flight from Philadelphia to Harlingen takes 7h 25m
There are no direct flights from Philadelphia to Harlingen. There are no popular flight routes from Philadelphia to Harlingen.
Search flight deals

Frequently asked questions about flying from Philadelphia to Harlingen

  • How far is Philadelphia to Harlingen Valley Intl by plane?

    A flight from Philadelphia to Harlingen Valley Intl will travel around 1605.9 mi. A reasonable flight in good conditions will take 7h 25m.

  • When did momondo last update prices for flights from Philadelphia Airport to Harlingen Valley Intl Airport?

    Prices for flights from Philadelphia Airport to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Philadelphia Airport to Harlingen Valley Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Philadelphia to Harlingen?

Best airlines flying from Philadelphia to Harlingen

Compare and see reviews for airlines that fly from Philadelphia to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,651 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Harlingen?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from Philadelphia.

Can I find flights from Philadelphia to Harlingen with flexible booking policies on momondo?

All flight searches from Philadelphia to Harlingen on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Harlingen?

momondo provides multiple filters to help you find the best flight to Harlingen from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Harlingen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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