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Cheap flights from Maryland to Harlingen from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Harlingen departing on 4/27. 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 Maryland to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 4:04 pm
PHL
-
HRL
9h 04m
1 stop
United Airlines Logo
12:10 pm - 6:58 pm
HRL
-
PHL
5h 48m
1 stop
$271United Airlines
Sat, May 2 - Sat, May 9
Southwest Logo
3:05 pm - 8:35 pm
BWI
-
HRL
6h 30m
1 stop
Southwest Logo
4:40 pm - 11:00 pm
HRL
-
BWI
5h 20m
1 stop
$277Southwest
Fri, Apr 17 - Tue, Apr 21
Southwest Logo
6:00 am - 12:10 pm
DCA
-
HRL
7h 10m
1 stop
Southwest Logo
2:45 pm - 8:55 pm
HRL
-
DCA
5h 10m
1 stop
$278Southwest
Tue, May 26 - Sat, Jun 6
American Airlines Logo
10:30 am - 7:33 pm
PHL
-
HRL
10h 03m
2 stops
American Airlines Logo
10:47 am - 8:34 pm
HRL
-
PHL
8h 47m
1 stop
$280American Airlines
Sat, May 2 - Sat, May 9
Southwest Logo
12:25 pm - 9:35 pm
PHL
-
HRL
10h 10m
2 stops
Southwest Logo
12:10 pm - 9:35 pm
HRL
-
PHL
8h 25m
2 stops
$281Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
5:00 pm - 11:00 pm
BWI
-
HRL
7h 00m
2 stops
Southwest Logo
6:35 pm - 12:45 am
HRL
-
BWI
5h 10m
1 stop
$282Southwest
Fri, May 29 - Sun, May 31
Southwest Logo
3:00 pm - 10:00 pm
DCA
-
HRL
8h 00m
2 stops
Southwest Logo
2:45 pm - 8:55 pm
HRL
-
DCA
5h 10m
1 stop
$284Southwest
Tue, May 26 - Sat, Jun 6
American Airlines Logo
5:00 am - 10:17 am
PHL
-
HRL
6h 17m
1 stop
American Airlines Logo
2:47 pm - 12:11 am
HRL
-
PHL
8h 24m
1 stop
$299American Airlines
Thu, Apr 23 - Wed, May 6
Delta Logo
6:08 am - 3:05 pm
BWI
-
HRL
9h 57m
1 stop
Delta Logo
4:02 pm - 11:26 pm
HRL
-
BWI
6h 24m
1 stop
$307Delta
Fri, Apr 17 - Fri, Apr 24
Delta Logo
6:08 am - 3:05 pm
BWI
-
HRL
9h 57m
1 stop
Delta Logo
4:02 pm - 11:26 pm
HRL
-
BWI
6h 24m
1 stop
$328Delta
Fri, May 1 - Sun, May 3

United Airlines flights from Maryland to Harlingen, Texas

Our best United Airlines deals on Maryland to Harlingen, Texas flight tickets
United Airlines
May 2
PHL8:00 amPhiladelphia
9h 04m
1 stop
HRL4:04 pmHarlingen Valley Intl
May 9
HRL12:10 pmHarlingen Valley Intl
5h 48m
1 stop
PHL6:58 pmPhiladelphia
$271
United Airlines
May 30
DCA6:00 amWashington, D.C. Reagan-National
8h 30m
1 stop
HRL1:30 pmHarlingen Valley Intl
Jun 12
HRL5:20 pmHarlingen Valley Intl
5h 39m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$309
United Airlines
May 26
IAD6:30 amWashington, D.C. Dulles Intl
8h 00m
1 stop
HRL1:30 pmHarlingen Valley Intl
Jun 6
HRL5:20 pmHarlingen Valley Intl
6h 11m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$338

Southwest flights from Maryland to Harlingen, Texas

Our best Southwest deals on Maryland to Harlingen, Texas flight tickets
Southwest
Apr 17
BWI3:05 pmBaltimore/Washington
6h 30m
1 stop
HRL8:35 pmHarlingen Valley Intl
Apr 21
HRL4:40 pmHarlingen Valley Intl
5h 20m
1 stop
BWI11:00 pmBaltimore/Washington
$277
Southwest
May 26
DCA6:00 amWashington, D.C. Reagan-National
7h 10m
1 stop
HRL12:10 pmHarlingen Valley Intl
Jun 6
HRL2:45 pmHarlingen Valley Intl
5h 10m
1 stop
DCA8:55 pmWashington, D.C. Reagan-National
$278
Southwest
May 2
PHL12:25 pmPhiladelphia
10h 10m
2 stops
HRL9:35 pmHarlingen Valley Intl
May 9
HRL12:10 pmHarlingen Valley Intl
8h 25m
2 stops
PHL9:35 pmPhiladelphia
$281

momondo Fare Finder

 
Customize your flight search to find flights from Maryland 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 April 5, 2026.
Use the filters below to find and compare flights from Maryland to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 5/2

8:00 am-4:04 pm

1 stop9h 04m

Harlingen Valley Intl

Sat 5/9

12:10 pm-6:58 pm

1 stop5h 48m

$271
Quickest round-trip

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 4/17

3:05 pm-8:35 pm

1 stop6h 30m

Harlingen Valley Intl

Tue 4/21

4:40 pm-11:00 pm

1 stop5h 20m

$277

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 5/26

6:00 am-12:10 pm

1 stop7h 10m

Harlingen Valley Intl

Sat 6/6

2:45 pm-8:55 pm

1 stop5h 10m

$278

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 5/2

10:30 am-7:33 pm

2 stops10h 03m

Harlingen Valley Intl

Sat 5/9

10:47 am-8:34 pm

1 stop8h 47m

$280

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 5/2

12:25 pm-9:35 pm

2 stops10h 10m

Harlingen Valley Intl

Sat 5/9

12:10 pm-9:35 pm

2 stops8h 25m

$281

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 5/29

5:00 pm-11:00 pm

2 stops7h 00m

Harlingen Valley Intl

Sun 5/31

6:35 pm-12:45 am

1 stop5h 10m

$282

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 5/26

3:00 pm-10:00 pm

2 stops8h 00m

Harlingen Valley Intl

Sat 6/6

2:45 pm-8:55 pm

1 stop5h 10m

$284

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 4/23

5:00 am-10:17 am

1 stop6h 17m

Harlingen Valley Intl

Wed 5/6

2:47 pm-12:11 am

1 stop8h 24m

$299

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 4/17

6:08 am-3:05 pm

1 stop9h 57m

Harlingen Valley Intl

Fri 4/24

4:02 pm-11:26 pm

1 stop6h 24m

$307

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 5/1

6:08 am-3:05 pm

1 stop9h 57m

Harlingen Valley Intl

Sun 5/3

4:02 pm-11:26 pm

1 stop6h 24m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Maryland 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 airline that flies from Maryland to Harlingen Valley Intl?

Delta is the most popular carrier operating from Maryland to Harlingen Valley Intl

What airlines fly to Harlingen, Texas?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Harlingen, Texas from Maryland according to our data. Southwest is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 3 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.

Cheap Maryland to Harlingen, Texas flight deals and tips

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

Fastest flight time

5h 59m

Direct flights

None
The fastest flight from Maryland to Harlingen, Texas takes 5h 59m
There are no direct flights from Maryland to Harlingen, Texas. There are no popular flight routes from Maryland to Harlingen, Texas.
Search flight deals

Frequently asked questions about flying from Maryland to Harlingen, Texas

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

    Prices for flights from Maryland to Harlingen Valley Intl Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maryland 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 Maryland to Harlingen, Texas

Compare and see reviews for airlines that fly from Maryland to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $266Free CancellationRating
8.0
4,340 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Maryland 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 Maryland to Harlingen for you.

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

Flights from Maryland to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Maryland.

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

If you are not ready to book a flight from Maryland to Harlingen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Harlingen and let you know when they change.

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