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Cheap flights from Pennsylvania to Harlingen from $165

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 8/15. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 1:31 pm
LGA
-
HRL
7h 01m
1 stop
Delta Logo
2:00 pm - 11:45 pm
HRL
-
LGA
8h 45m
1 stop
$331Delta
Wed, Oct 21 - Fri, Oct 23
Delta Logo
6:05 am - 1:31 pm
LGA
-
HRL
8h 26m
1 stop
Delta Logo
2:00 pm - 11:45 pm
HRL
-
LGA
8h 45m
2 stops
$336Delta
Wed, Oct 21 - Fri, Oct 23
Southwest Logo
10:40 am - 2:50 pm
DCA
-
HRL
5h 10m
1 stop
Southwest Logo
4:40 pm - 10:25 pm
HRL
-
DCA
4h 45m
1 stop
$339Southwest
Wed, Aug 12 - Mon, Aug 17
Southwest Logo
5:40 pm - 9:45 pm
DCA
-
HRL
5h 05m
1 stop
Southwest Logo
4:40 pm - 10:25 pm
HRL
-
DCA
4h 45m
1 stop
$344Southwest
Wed, Aug 12 - Mon, Aug 17
Southwest Logo
10:40 am - 2:50 pm
DCA
-
HRL
5h 10m
1 stop
Southwest Logo
10:55 am - 7:40 pm
HRL
-
DCA
7h 45m
2 stops
$345Southwest
Wed, Aug 12 - Mon, Aug 17
Southwest Logo
12:55 pm - 8:10 pm
DCA
-
HRL
8h 15m
2 stops
Southwest Logo
4:40 pm - 10:25 pm
HRL
-
DCA
4h 45m
1 stop
$349Southwest
Wed, Aug 12 - Mon, Aug 17
United Airlines Logo
2:55 pm - 7:49 pm
DCA
-
HRL
5h 54m
1 stop
United Airlines Logo
7:20 am - 1:57 pm
HRL
-
DCA
5h 37m
1 stop
$364United Airlines
Mon, Jul 13 - Tue, Jul 28
United Airlines Logo
10:10 am - 3:59 pm
LGA
-
HRL
6h 49m
1 stop
United Airlines Logo
2:00 pm - 9:57 pm
HRL
-
LGA
6h 57m
1 stop
$366United Airlines
Wed, Oct 21 - Fri, Oct 23
American Airlines Logo
3:11 pm - 8:12 pm
PIT
-
HRL
6h 01m
1 stop
American Airlines Logo
4:58 pm - 11:54 pm
HRL
-
PIT
5h 56m
1 stop
$413American Airlines
Wed, Jul 15 - Mon, Jul 20
American Airlines Logo
5:38 pm - 12:05 am
PHL
-
HRL
7h 27m
1 stop
American Airlines Logo
10:45 am - 8:50 pm
HRL
-
PHL
9h 05m
1 stop
$419American Airlines
Thu, Jul 9 - Mon, Jul 13

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Southwest flights from Pennsylvania to Harlingen

Our best Southwest deals on Pennsylvania to Harlingen flight tickets
Southwest
Aug 12
DCA10:40 amWashington, D.C. Reagan-National
5h 10m
1 stop
HRL2:50 pmHarlingen Valley Intl
Aug 17
HRL4:40 pmHarlingen Valley Intl
4h 45m
1 stop
DCA10:25 pmWashington, D.C. Reagan-National
$339
Southwest
Aug 12
DCA5:40 pmWashington, D.C. Reagan-National
5h 05m
1 stop
HRL9:45 pmHarlingen Valley Intl
Aug 17
HRL4:40 pmHarlingen Valley Intl
4h 45m
1 stop
DCA10:25 pmWashington, D.C. Reagan-National
$344
Southwest
Aug 12
DCA10:40 amWashington, D.C. Reagan-National
5h 10m
1 stop
HRL2:50 pmHarlingen Valley Intl
Aug 17
HRL10:55 amHarlingen Valley Intl
7h 45m
2 stops
DCA7:40 pmWashington, D.C. Reagan-National
$345

American Airlines flights from Pennsylvania to Harlingen

Our best American Airlines deals on Pennsylvania to Harlingen flight tickets
American Airlines
Jul 13
DCA5:00 amWashington, D.C. Reagan-National
6h 12m
1 stop
HRL10:12 amHarlingen Valley Intl
Jul 28
HRL4:58 pmHarlingen Valley Intl
6h 01m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$389
American Airlines
Jul 15
PIT3:11 pmPittsburgh
6h 01m
1 stop
HRL8:12 pmHarlingen Valley Intl
Jul 20
HRL4:58 pmHarlingen Valley Intl
5h 56m
1 stop
PIT11:54 pmPittsburgh
$413
American Airlines
Aug 27
DCA5:00 amWashington, D.C. Reagan-National
6h 04m
1 stop
HRL10:04 amHarlingen Valley Intl
Aug 31
HRL3:17 pmHarlingen Valley Intl
7h 41m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$419

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 June 27, 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

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Wed 10/21

7:30 am-1:31 pm

1 stop7h 01m

Harlingen Valley Intl

Fri 10/23

2:00 pm-11:45 pm

1 stop8h 45m

$331

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Wed 10/21

6:05 am-1:31 pm

1 stop8h 26m

Harlingen Valley Intl

Fri 10/23

2:00 pm-11:45 pm

2 stops8h 45m

$336

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 8/12

10:40 am-2:50 pm

1 stop5h 10m

Harlingen Valley Intl

Mon 8/17

4:40 pm-10:25 pm

1 stop4h 45m

$339
Quickest round-trip

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 8/12

5:40 pm-9:45 pm

1 stop5h 05m

Harlingen Valley Intl

Mon 8/17

4:40 pm-10:25 pm

1 stop4h 45m

$344

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 8/12

10:40 am-2:50 pm

1 stop5h 10m

Harlingen Valley Intl

Mon 8/17

10:55 am-7:40 pm

2 stops7h 45m

$345

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 8/12

12:55 pm-8:10 pm

2 stops8h 15m

Harlingen Valley Intl

Mon 8/17

4:40 pm-10:25 pm

1 stop4h 45m

$349

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Mon 7/13

2:55 pm-7:49 pm

1 stop5h 54m

Harlingen Valley Intl

Tue 7/28

7:20 am-1:57 pm

1 stop5h 37m

$364

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Wed 10/21

10:10 am-3:59 pm

1 stop6h 49m

Harlingen Valley Intl

Fri 10/23

2:00 pm-9:57 pm

1 stop6h 57m

$366

PittsburghHarlingen

PIT - HRL

PITHRL

Pittsburgh

Wed 7/15

3:11 pm-8:12 pm

1 stop6h 01m

Harlingen Valley Intl

Mon 7/20

4:58 pm-11:54 pm

1 stop5h 56m

$413

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 7/9

5:38 pm-12:05 am

1 stop7h 27m

Harlingen Valley Intl

Mon 7/13

10:45 am-8:50 pm

1 stop9h 05m

$419

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

4h 45m

Direct flights

None
The fastest flight from Pennsylvania to Harlingen takes 4h 45m
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
11,778 reviews
Search American Airlines flights
SouthwestPriceFrom $329Free CancellationRating
7.9
4,246 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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