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Cheap flights from Maryland to Harlingen from $170

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 12/5. 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
0 bags

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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.
American Airlines Logo
7:43 am - 3:30 pmDCA-HRL
8h 47m1 stop
American Airlines Logo
12:13 pm - 7:44 pmHRL-DCA
6h 31m1 stop
$251American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
6:00 am - 11:40 amIAD-HRL
6h 40m1 stop
American Airlines Logo
4:02 pm - 10:59 pmHRL-IAD
5h 57m1 stop
$251American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
10:37 am - 4:09 pmDCA-HRL
6h 32m1 stop
American Airlines Logo
4:14 pm - 12:55 amHRL-DCA
7h 41m1 stop
$269American Airlines
Find Deal
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
6:02 am - 11:40 amBWI-HRL
6h 38m1 stop
American Airlines Logo
12:13 pm - 9:17 pmHRL-BWI
8h 04m1 stop
$272American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
United Airlines Logo
8:07 am - 4:06 pmBWI-HRL
8h 59m1 stop
United Airlines Logo
12:10 pm - 9:21 pmHRL-BWI
8h 11m2 stops
$281United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
10:05 am - 9:59 pmBWI-HRL
12h 54m2 stops
United Airlines Logo
12:10 pm - 9:21 pmHRL-BWI
8h 11m2 stops
$287United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 10
Delta Logo
6:19 am - 2:24 pmBWI-HRL
9h 05m1 stop
Delta Logo
3:00 pm - 11:44 pmHRL-BWI
7h 44m1 stop
$289Delta
Find Deal
Sat, Apr 18 - Tue, Apr 21
Delta Logo
6:05 am - 2:39 pmBWI-HRL
9h 34m1 stop
Delta Logo
3:39 pm - 11:26 pmHRL-BWI
6h 47m1 stop
$302Delta
Find Deal
Sun, Jan 18 - Thu, Jan 22
Southwest Logo
3:00 pm - 9:35 pmBWI-HRL
7h 35m2 stops
Southwest Logo
7:10 am - 4:10 pmHRL-BWI
8h 00m2 stops
$337Southwest
Find Deal
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
3:05 pm - 10:00 pmPHL-HRL
7h 55m2 stops
Southwest Logo
11:30 am - 9:15 pmHRL-PHL
8h 45m2 stops
$414Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8

American Airlines flights from Maryland to Harlingen, Texas

Our best American Airlines deals on Maryland to Harlingen, Texas flight tickets
American Airlines
Dec 6
DCA7:43 amWashington, D.C. Reagan-National
8h 47m
1 stop
HRL3:30 pmHarlingen Valley Intl
Dec 10
HRL12:13 pmHarlingen Valley Intl
6h 31m
1 stop
DCA7:44 pmWashington, D.C. Reagan-National
$251
Find similar
American Airlines
Apr 18
DCA10:37 amWashington, D.C. Reagan-National
6h 32m
1 stop
HRL4:09 pmHarlingen Valley Intl
Apr 21
HRL4:14 pmHarlingen Valley Intl
7h 41m
1 stop
DCA12:55 amWashington, D.C. Reagan-National
$269
Find similar
American Airlines
Dec 6
BWI6:02 amBaltimore/Washington
6h 38m
1 stop
HRL11:40 amHarlingen Valley Intl
Dec 10
HRL12:13 pmHarlingen Valley Intl
8h 04m
1 stop
BWI9:17 pmBaltimore/Washington
$272
Find similar

United Airlines flights from Maryland to Harlingen, Texas

Our best United Airlines deals on Maryland to Harlingen, Texas flight tickets
United Airlines
Jan 7
BWI8:07 amBaltimore/Washington
8h 59m
1 stop
HRL4:06 pmHarlingen Valley Intl
Jan 10
HRL12:10 pmHarlingen Valley Intl
8h 11m
2 stops
BWI9:21 pmBaltimore/Washington
$281
Find similar
United Airlines
Jan 7
BWI10:05 amBaltimore/Washington
12h 54m
2 stops
HRL9:59 pmHarlingen Valley Intl
Jan 10
HRL12:10 pmHarlingen Valley Intl
8h 11m
2 stops
BWI9:21 pmBaltimore/Washington
$287
Find similar
United Airlines
Dec 6
BWI3:56 pmBaltimore/Washington
6h 58m
1 stop
HRL9:54 pmHarlingen Valley Intl
Dec 10
HRL7:00 amHarlingen Valley Intl
13h 08m
2 stops
BWI9:08 pmBaltimore/Washington
$327
Find similar

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 November 23, 2025.
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

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 12/6

7:43 am-3:30 pm

1 stop8h 47m

Harlingen Valley Intl

Wed 12/10

12:13 pm-7:44 pm

1 stop6h 31m

$251

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-11:40 am

1 stop6h 40m

Harlingen Valley Intl

Wed 12/10

4:02 pm-10:59 pm

1 stop5h 57m

$251

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 4/18

10:37 am-4:09 pm

1 stop6h 32m

Harlingen Valley Intl

Tue 4/21

4:14 pm-12:55 am

1 stop7h 41m

$269

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 12/6

6:02 am-11:40 am

1 stop6h 38m

Harlingen Valley Intl

Wed 12/10

12:13 pm-9:17 pm

1 stop8h 04m

$272

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 1/7

8:07 am-4:06 pm

1 stop8h 59m

Harlingen Valley Intl

Sat 1/10

12:10 pm-9:21 pm

2 stops8h 11m

$281

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 1/7

10:05 am-9:59 pm

2 stops12h 54m

Harlingen Valley Intl

Sat 1/10

12:10 pm-9:21 pm

2 stops8h 11m

$287

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 4/18

6:19 am-2:24 pm

1 stop9h 05m

Harlingen Valley Intl

Tue 4/21

3:00 pm-11:44 pm

1 stop7h 44m

$289

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sun 1/18

6:05 am-2:39 pm

1 stop9h 34m

Harlingen Valley Intl

Thu 1/22

3:39 pm-11:26 pm

1 stop6h 47m

$302

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 4/18

3:00 pm-9:35 pm

2 stops7h 35m

Harlingen Valley Intl

Tue 4/21

7:10 am-4:10 pm

2 stops8h 00m

$337

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Thu 12/4

3:05 pm-10:00 pm

2 stops7h 55m

Harlingen Valley Intl

Mon 12/8

11:30 am-9:15 pm

2 stops8h 45m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $389. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Maryland to Harlingen, Texas for around $567.

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 Maryland to Harlingen, Texas during this time can be as low as $444. Flights in the afternoon are often more expensive with an average ticket price of $485.

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

Direct flights

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

  • 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
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,252 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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