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Cheap flights from Pennsylvania to Harlingen from $105

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 9/3. 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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Find the cheapest flights from Pennsylvania to Harlingen

Cheap round-trip flights

Southwest Logo
4:35 pm - 9:05 pmPIT-HRL
5h 30m1 stop
Southwest Logo
5:45 am - 4:30 pmHRL-PIT
9h 45m1 stop
$249Southwest
Find Deal
Wed, Nov 5 - Mon, Nov 10
American Airlines Logo
6:00 pm - 10:52 pmIAD-HRL
5h 52m1 stop
American Airlines Logo
2:51 pm - 10:48 pmHRL-IAD
6h 57m1 stop
$251American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Southwest Logo
7:15 am - 11:35 amPIT-HRL
5h 20m1 stop
Southwest Logo
5:45 am - 4:30 pmHRL-PIT
9h 45m1 stop
$256Southwest
Find Deal
Thu, Nov 6 - Mon, Nov 10
Southwest Logo
1:20 pm - 9:55 pmPIT-HRL
9h 35m2 stops
Southwest Logo
5:45 am - 4:30 pmHRL-PIT
9h 45m1 stop
$276Southwest
Find Deal
Wed, Nov 5 - Mon, Nov 10
Southwest Logo
7:25 am - 3:00 pmLGA-HRL
8h 35m1 stop
Southwest Logo
5:45 am - 1:25 pmHRL-LGA
6h 40m1 stop
$277Southwest
Find Deal
Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
5:20 pm - 10:57 pmDCA-HRL
6h 37m1 stop
American Airlines Logo
6:19 pm - 12:55 amHRL-DCA
5h 36m1 stop
$315American Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
United Airlines Logo
2:59 pm - 7:33 pmDCA-HRL
5h 34m1 stop
United Airlines Logo
2:05 pm - 10:09 pmHRL-DCA
7h 04m1 stop
$317United Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12
United Airlines Logo
11:03 am - 4:02 pmIAD-HRL
5h 59m1 stop
United Airlines Logo
5:00 am - 11:28 amHRL-IAD
5h 28m1 stop
$320United Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Delta Logo
6:19 am - 2:43 pmDCA-HRL
9h 24m2 stops
Delta Logo
3:39 pm - 11:25 pmHRL-DCA
6h 46m1 stop
$373Delta
Find Deal
Wed, Oct 8 - Mon, Oct 13
Delta Logo
6:18 am - 2:43 pmIAD-HRL
9h 25m1 stop
Delta Logo
3:39 pm - 11:40 pmHRL-IAD
7h 01m1 stop
$498Delta
Find Deal
Wed, Oct 8 - Mon, Oct 13

Southwest flights from Pennsylvania to Harlingen, Texas

Our best Southwest deals on Pennsylvania to Harlingen, Texas flight tickets
Southwest
Nov 5
PIT4:35 pmPittsburgh
5h 30m
1 stop
HRL9:05 pmHarlingen Valley Intl
Nov 10
HRL5:45 amHarlingen Valley Intl
9h 45m
1 stop
PIT4:30 pmPittsburgh
$249
Find similar
Southwest
Nov 6
PIT7:15 amPittsburgh
5h 20m
1 stop
HRL11:35 amHarlingen Valley Intl
Nov 10
HRL5:45 amHarlingen Valley Intl
9h 45m
1 stop
PIT4:30 pmPittsburgh
$256
Find similar
Southwest
Nov 5
PIT1:20 pmPittsburgh
9h 35m
2 stops
HRL9:55 pmHarlingen Valley Intl
Nov 10
HRL5:45 amHarlingen Valley Intl
9h 45m
1 stop
PIT4:30 pmPittsburgh
$276
Find similar

American Airlines flights from Pennsylvania to Harlingen, Texas

Our best American Airlines deals on Pennsylvania to Harlingen, Texas flight tickets
American Airlines
Sep 3
DCA5:00 amWashington, D.C. Reagan-National
5h 41m
1 stop
HRL9:41 amHarlingen Valley Intl
Sep 4
HRL6:35 pmHarlingen Valley Intl
5h 23m
1 stop
DCA12:58 amWashington, D.C. Reagan-National
$209
Find similar
American Airlines
Sep 18
IAD6:00 pmWashington, D.C. Dulles Intl
5h 52m
1 stop
HRL10:52 pmHarlingen Valley Intl
Sep 22
HRL2:51 pmHarlingen Valley Intl
6h 57m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
$251
Find similar
American Airlines
Sep 13
DCA5:20 pmWashington, D.C. Reagan-National
6h 37m
1 stop
HRL10:57 pmHarlingen Valley Intl
Sep 14
HRL6:19 pmHarlingen Valley Intl
5h 36m
1 stop
DCA12:55 amWashington, D.C. Reagan-National
$315
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Harlingen, Texas 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 August 25, 2025.
Use the filters below to find and compare flights from Pennsylvania to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghHarlingen

PIT - HRL

PITHRL

Pittsburgh

Wed 11/5

4:35 pm-9:05 pm

1 stop5h 30m

Harlingen Valley Intl

Mon 11/10

5:45 am-4:30 pm

1 stop9h 45m

$249

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 9/18

6:00 pm-10:52 pm

1 stop5h 52m

Harlingen Valley Intl

Mon 9/22

2:51 pm-10:48 pm

1 stop6h 57m

$251

PittsburghHarlingen

PIT - HRL

PITHRL

Pittsburgh

Thu 11/6

7:15 am-11:35 am

1 stop5h 20m

Harlingen Valley Intl

Mon 11/10

5:45 am-4:30 pm

1 stop9h 45m

$256

PittsburghHarlingen

PIT - HRL

PITHRL

Pittsburgh

Wed 11/5

1:20 pm-9:55 pm

2 stops9h 35m

Harlingen Valley Intl

Mon 11/10

5:45 am-4:30 pm

1 stop9h 45m

$276

New YorkHarlingen

LGA - HRL

LGAHRL

New York LaGuardia

Thu 11/6

7:25 am-3:00 pm

1 stop8h 35m

Harlingen Valley Intl

Sun 11/9

5:45 am-1:25 pm

1 stop6h 40m

$277

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 9/13

5:20 pm-10:57 pm

1 stop6h 37m

Harlingen Valley Intl

Sun 9/14

6:19 pm-12:55 am

1 stop5h 36m

$315

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Mon 9/8

2:59 pm-7:33 pm

1 stop5h 34m

Harlingen Valley Intl

Fri 9/12

2:05 pm-10:09 pm

1 stop7h 04m

$317

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 9/13

11:03 am-4:02 pm

1 stop5h 59m

Harlingen Valley Intl

Sun 9/14

5:00 am-11:28 am

1 stop5h 28m

$320

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 10/8

6:19 am-2:43 pm

2 stops9h 24m

Harlingen Valley Intl

Mon 10/13

3:39 pm-11:25 pm

1 stop6h 46m

$373

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 10/8

6:18 am-2:43 pm

1 stop9h 25m

Harlingen Valley Intl

Mon 10/13

3:39 pm-11:40 pm

1 stop7h 01m

$498

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, Texas

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 day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Thursday when prices can be found for as low as $365. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Harlingen, Texas for around $554.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the morning. Flights from Pennsylvania to Harlingen, Texas during this time can be as low as $397. Flights in the afternoon are often more expensive with an average ticket price of $535.

Cheap Pennsylvania to Harlingen, Texas flight deals and tips

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

Direct flights

None
There are no direct flights from Pennsylvania to Harlingen, Texas. There are no popular flight routes from Pennsylvania to Harlingen, Texas.
Search flight deals

  • 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, Texas

Compare and see reviews for airlines that fly from Pennsylvania to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

An easier way to manage your Harlingen, Texas trip

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