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Cheap flights from Maryland to Harlingen from $160

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 10/21. 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.
Delta Logo
6:10 am - 2:43 pmDCA-HRL
9h 33m1 stop
Delta Logo
3:39 pm - 11:25 pmHRL-DCA
6h 46m1 stop
$251Delta
Find Deal
Wed, Nov 5 - Sat, Nov 8
Delta Logo
6:00 am - 2:43 pmDCA-HRL
9h 43m2 stops
Delta Logo
3:39 pm - 11:25 pmHRL-DCA
6h 46m1 stop
$256Delta
Find Deal
Wed, Nov 5 - Sat, Nov 8
Delta Logo
6:10 am - 2:43 pmDCA-HRL
9h 33m1 stop
Delta Logo
3:39 pm - 11:25 pmHRL-DCA
6h 46m1 stop
$273Delta
Find Deal
Fri, Oct 31 - Mon, Nov 3
Southwest Logo
11:15 am - 6:00 pmDCA-HRL
7h 45m1 stop
Southwest Logo
7:35 am - 5:00 pmHRL-DCA
8h 25m1 stop
$300Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
United Airlines Logo
6:03 am - 11:26 amIAD-HRL
6h 23m1 stop
United Airlines Logo
5:15 am - 1:42 pmHRL-IAD
7h 27m1 stop
$310United Airlines
Find Deal
Tue, Jan 13 - Mon, Apr 13
United Airlines Logo
12:50 pm - 8:01 pmIAD-HRL
8h 11m1 stop
United Airlines Logo
2:00 pm - 10:36 pmHRL-IAD
7h 36m1 stop
$334United Airlines
Find Deal
Tue, Jan 6 - Tue, Apr 7
Southwest Logo
2:45 pm - 9:55 pmDCA-HRL
8h 10m2 stops
Southwest Logo
7:35 am - 5:00 pmHRL-DCA
8h 25m1 stop
$350Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
American Airlines Logo
12:37 pm - 12:04 amDCA-HRL
12h 27m2 stops
American Airlines Logo
4:12 pm - 12:40 amHRL-DCA
7h 28m1 stop
$354American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
5:10 pm - 12:04 amIAD-HRL
7h 54m1 stop
American Airlines Logo
4:14 pm - 10:19 pmHRL-IAD
5h 05m1 stop
$354American Airlines
Find Deal
Tue, Mar 31 - Tue, Apr 7
Sun Country Air Logo
9:30 am - 10:54 amBWI-HRL
26h 24m1 stop
Sun Country Air Logo
11:35 am - 11:20 amHRL-BWI
22h 45m1 stop
$391Sun Country Air
Find Deal
Wed, Oct 22 - Sun, Oct 26

Delta flights from Maryland to Harlingen, Texas

Our best Delta deals on Maryland to Harlingen, Texas flight tickets
Delta
Nov 5
DCA6:10 amWashington, D.C. Reagan-National
9h 33m
1 stop
HRL2:43 pmHarlingen Valley Intl
Nov 8
HRL3:39 pmHarlingen Valley Intl
6h 46m
1 stop
DCA11:25 pmWashington, D.C. Reagan-National
$251
Find similar
Delta
Nov 5
DCA6:00 amWashington, D.C. Reagan-National
9h 43m
2 stops
HRL2:43 pmHarlingen Valley Intl
Nov 8
HRL3:39 pmHarlingen Valley Intl
6h 46m
1 stop
DCA11:25 pmWashington, D.C. Reagan-National
$256
Find similar
Delta
Oct 31
DCA6:10 amWashington, D.C. Reagan-National
9h 33m
1 stop
HRL2:43 pmHarlingen Valley Intl
Nov 3
HRL3:39 pmHarlingen Valley Intl
6h 46m
1 stop
DCA11:25 pmWashington, D.C. Reagan-National
$273
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 13
IAD6:03 amWashington, D.C. Dulles Intl
6h 23m
1 stop
HRL11:26 amHarlingen Valley Intl
Apr 13
HRL5:15 amHarlingen Valley Intl
7h 27m
1 stop
IAD1:42 pmWashington, D.C. Dulles Intl
$310
Find similar
United Airlines
Jan 6
IAD12:50 pmWashington, D.C. Dulles Intl
8h 11m
1 stop
HRL8:01 pmHarlingen Valley Intl
Apr 7
HRL2:00 pmHarlingen Valley Intl
7h 36m
1 stop
IAD10:36 pmWashington, D.C. Dulles Intl
$334
Find similar
United Airlines
Nov 5
IAD10:07 amWashington, D.C. Dulles Intl
12h 47m
2 stops
HRL9:54 pmHarlingen Valley Intl
Nov 8
HRL5:00 pmHarlingen Valley Intl
5h 44m
1 stop
IAD11:44 pmWashington, D.C. Dulles Intl
$417
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 October 8, 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

Wed 11/5

6:10 am-2:43 pm

1 stop9h 33m

Harlingen Valley Intl

Sat 11/8

3:39 pm-11:25 pm

1 stop6h 46m

$251

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 11/5

6:00 am-2:43 pm

2 stops9h 43m

Harlingen Valley Intl

Sat 11/8

3:39 pm-11:25 pm

1 stop6h 46m

$256

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 10/31

6:10 am-2:43 pm

1 stop9h 33m

Harlingen Valley Intl

Mon 11/3

3:39 pm-11:25 pm

1 stop6h 46m

$273

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 12/16

11:15 am-6:00 pm

1 stop7h 45m

Harlingen Valley Intl

Tue 1/6

7:35 am-5:00 pm

1 stop8h 25m

$300

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Tue 1/13

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Mon 4/13

5:15 am-1:42 pm

1 stop7h 27m

$310

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Tue 1/6

12:50 pm-8:01 pm

1 stop8h 11m

Harlingen Valley Intl

Tue 4/7

2:00 pm-10:36 pm

1 stop7h 36m

$334

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 12/16

2:45 pm-9:55 pm

2 stops8h 10m

Harlingen Valley Intl

Tue 1/6

7:35 am-5:00 pm

1 stop8h 25m

$350

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 3/10

12:37 pm-12:04 am

2 stops12h 27m

Harlingen Valley Intl

Wed 3/11

4:12 pm-12:40 am

1 stop7h 28m

$354

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Tue 3/31

5:10 pm-12:04 am

1 stop7h 54m

Harlingen Valley Intl

Tue 4/7

4:14 pm-10:19 pm

1 stop5h 05m

$354

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/22

9:30 am-10:54 am

1 stop26h 24m

Harlingen Valley Intl

Sun 10/26

11:35 am-11:20 am

1 stop22h 45m

$391

Flights are sorted by cheapest round-trip flights 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
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,236 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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