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Cheap flights from Pennsylvania to Harlingen from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Harlingen departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
1:50 pm - 11:00 pm
PHL
-
HRL
10h 10m
2 stops
Southwest Logo
2:10 pm - 10:50 pm
HRL
-
PHL
7h 40m
2 stops
$304Southwest
Wed, Jun 24 - Tue, Jun 30
Southwest Logo
1:00 pm - 5:15 pm
DCA
-
HRL
5h 15m
1 stop
Southwest Logo
6:05 am - 12:05 pm
HRL
-
DCA
5h 00m
1 stop
$309Southwest
Fri, Aug 7 - Sat, Aug 8
Southwest Logo
1:00 pm - 5:15 pm
DCA
-
HRL
5h 15m
1 stop
Southwest Logo
6:05 am - 4:35 pm
HRL
-
DCA
9h 30m
2 stops
$314Southwest
Fri, Aug 7 - Sat, Aug 8
Southwest Logo
1:25 pm - 11:00 pm
LGA
-
HRL
10h 35m
1 stop
Southwest Logo
2:45 pm - 11:10 pm
HRL
-
LGA
7h 25m
1 stop
$320Southwest
Thu, May 28 - Sat, Jun 6
Delta Logo
6:10 am - 1:31 pm
DCA
-
HRL
8h 21m
1 stop
Delta Logo
2:00 pm - 11:29 pm
HRL
-
DCA
8h 29m
1 stop
$329Delta
Fri, Oct 23 - Sun, Oct 25
United Airlines Logo
3:02 pm - 9:44 pm
IAD
-
HRL
7h 42m
1 stop
United Airlines Logo
5:18 pm - 12:29 am
HRL
-
IAD
6h 11m
1 stop
$329United Airlines
Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
2:55 pm - 9:54 pm
DCA
-
HRL
7h 59m
1 stop
United Airlines Logo
5:10 am - 11:56 am
HRL
-
DCA
5h 46m
1 stop
$331United Airlines
Fri, May 29 - Wed, Jun 10
American Airlines Logo
5:01 pm - 10:56 pm
LGA
-
HRL
6h 55m
1 stop
American Airlines Logo
6:00 am - 1:55 pm
HRL
-
LGA
6h 55m
1 stop
$331American Airlines
Thu, Sep 24 - Tue, Sep 29
American Airlines Logo
5:26 pm - 12:14 am
DCA
-
HRL
7h 48m
2 stops
American Airlines Logo
5:18 pm - 11:59 pm
HRL
-
DCA
5h 41m
1 stop
$334American Airlines
Sat, May 30 - Sat, Jun 6
United Airlines Logo
6:00 am - 11:23 am
PIT
-
HRL
6h 23m
1 stop
United Airlines Logo
5:20 pm - 11:59 pm
HRL
-
PIT
5h 39m
1 stop
$334United Airlines
Tue, May 19 - Sat, May 23

United Airlines flights from Pennsylvania to Harlingen

Our best United Airlines deals on Pennsylvania to Harlingen flight tickets
United Airlines
Sep 21
IAD3:02 pmWashington, D.C. Dulles Intl
7h 42m
1 stop
HRL9:44 pmHarlingen Valley Intl
Sep 28
HRL5:18 pmHarlingen Valley Intl
6h 11m
1 stop
IAD12:29 amWashington, D.C. Dulles Intl
$329
United Airlines
May 29
DCA2:55 pmWashington, D.C. Reagan-National
7h 59m
1 stop
HRL9:54 pmHarlingen Valley Intl
Jun 10
HRL5:10 amHarlingen Valley Intl
5h 46m
1 stop
DCA11:56 amWashington, D.C. Reagan-National
$331
United Airlines
May 19
PIT6:00 amPittsburgh
6h 23m
1 stop
HRL11:23 amHarlingen Valley Intl
May 23
HRL5:20 pmHarlingen Valley Intl
5h 39m
1 stop
PIT11:59 pmPittsburgh
$334

Southwest flights from Pennsylvania to Harlingen

Our best Southwest deals on Pennsylvania to Harlingen flight tickets
Southwest
Jun 24
PHL1:50 pmPhiladelphia
10h 10m
2 stops
HRL11:00 pmHarlingen Valley Intl
Jun 30
HRL2:10 pmHarlingen Valley Intl
7h 40m
2 stops
PHL10:50 pmPhiladelphia
$304
Southwest
Aug 7
DCA1:00 pmWashington, D.C. Reagan-National
5h 15m
1 stop
HRL5:15 pmHarlingen Valley Intl
Aug 8
HRL6:05 amHarlingen Valley Intl
5h 00m
1 stop
DCA12:05 pmWashington, D.C. Reagan-National
$309
Southwest
Aug 7
DCA1:00 pmWashington, D.C. Reagan-National
5h 15m
1 stop
HRL5:15 pmHarlingen Valley Intl
Aug 8
HRL6:05 amHarlingen Valley Intl
9h 30m
2 stops
DCA4:35 pmWashington, D.C. Reagan-National
$314

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 May 8, 2026.
Use the filters below to find and compare flights from Pennsylvania to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Wed 6/24

1:50 pm-11:00 pm

2 stops10h 10m

Harlingen Valley Intl

Tue 6/30

2:10 pm-10:50 pm

2 stops7h 40m

$304
Quickest round-trip

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 8/7

1:00 pm-5:15 pm

1 stop5h 15m

Harlingen Valley Intl

Sat 8/8

6:05 am-12:05 pm

1 stop5h 00m

$309

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 8/7

1:00 pm-5:15 pm

1 stop5h 15m

Harlingen Valley Intl

Sat 8/8

6:05 am-4:35 pm

2 stops9h 30m

$314

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Thu 5/28

1:25 pm-11:00 pm

1 stop10h 35m

Harlingen Valley Intl

Sat 6/6

2:45 pm-11:10 pm

1 stop7h 25m

$320

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 10/23

6:10 am-1:31 pm

1 stop8h 21m

Harlingen Valley Intl

Sun 10/25

2:00 pm-11:29 pm

1 stop8h 29m

$329

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 9/21

3:02 pm-9:44 pm

1 stop7h 42m

Harlingen Valley Intl

Mon 9/28

5:18 pm-12:29 am

1 stop6h 11m

$329

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 5/29

2:55 pm-9:54 pm

1 stop7h 59m

Harlingen Valley Intl

Wed 6/10

5:10 am-11:56 am

1 stop5h 46m

$331

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Thu 9/24

5:01 pm-10:56 pm

1 stop6h 55m

Harlingen Valley Intl

Tue 9/29

6:00 am-1:55 pm

1 stop6h 55m

$331

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 5/30

5:26 pm-12:14 am

2 stops7h 48m

Harlingen Valley Intl

Sat 6/6

5:18 pm-11:59 pm

1 stop5h 41m

$334

PittsburghHarlingen

PIT - HRL

PITHRL

Pittsburgh

Tue 5/19

6:00 am-11:23 am

1 stop6h 23m

Harlingen Valley Intl

Sat 5/23

5:20 pm-11:59 pm

1 stop5h 39m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Pennsylvania 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 cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of September, then book flights to Harlingen from Pennsylvania 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 Pennsylvania to Harlingen flights?

You could potentially save up to 22% on your flight if you consider stops on a Pennsylvania to Harlingen flight.

Cheap Pennsylvania to Harlingen flight deals and tips

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

Fastest flight time

5h 20m

Direct flights

None
The fastest flight from Pennsylvania to Harlingen takes 5h 20m
There are no direct flights from Pennsylvania to Harlingen. There are no popular flight routes from Pennsylvania to Harlingen.
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Frequently asked questions about flying from Pennsylvania to Harlingen

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

    Prices for flights from Pennsylvania to Harlingen Valley Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania 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.

Best airlines flying from Pennsylvania to Harlingen

Compare and see reviews for airlines that fly from Pennsylvania to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
SouthwestPriceFrom $329Free CancellationRating
7.9
4,302 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Harlingen for you.

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

Yes. momondo enables you to select and highlight flights to Harlingen from Pennsylvania with this policy.

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

Once all potential Pennsylvania to Harlingen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Pennsylvania and alert you when they change.

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