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?

As of January 2026, there are 2 operators available to choose from 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.

$126 Cheap Flights from Maryland to Harlingen in 2026

1 adult

0 bags

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Find the cheapest flights from Maryland to Harlingen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:59 pm - 11:03 pm

PHL

HRL

8h 04m

1 stop

6:00 am - 2:37 pm

HRL

PHL

7h 37m

1 stop

$283American Airlines

Sat, Feb 14 - Wed, Feb 18

1:48 pm - 11:03 pm

PHL

HRL

10h 15m

2 stops

6:00 am - 2:37 pm

HRL

PHL

7h 37m

1 stop

$289American Airlines

Sat, Feb 14 - Wed, Feb 18

6:15 am - 11:30 am

BWI

HRL

6h 15m

1 stop

6:35 am - 3:45 pm

HRL

BWI

8h 10m

1 stop

$299Southwest

Thu, Feb 12 - Thu, Feb 19

12:25 pm - 7:29 pm

BWI

HRL

8h 04m

1 stop

5:15 am - 11:20 am

HRL

BWI

5h 05m

1 stop

$301United Airlines

Sat, Jul 11 - Sat, Jul 18

6:15 am - 11:30 am

BWI

HRL

6h 15m

1 stop

5:40 am - 3:10 pm

HRL

BWI

8h 30m

2 stops

$304Southwest

Thu, Feb 12 - Thu, Feb 19

5:39 pm - 11:21 pm

PHL

HRL

6h 42m

1 stop

6:02 am - 12:34 pm

HRL

PHL

5h 32m

1 stop

$305American Airlines

Mon, Jan 26 - Sat, Feb 7

6:00 am - 3:05 pm

BWI

HRL

10h 05m

1 stop

4:00 pm - 11:26 pm

HRL

BWI

6h 26m

1 stop

$309Delta

Sat, Apr 18 - Tue, Apr 21

5:39 pm - 11:21 pm

PHL

HRL

6h 42m

1 stop

6:02 am - 5:45 pm

HRL

PHL

10h 43m

2 stops

$310American Airlines

Mon, Jan 26 - Sat, Feb 7

6:00 am - 3:05 pm

IAD

HRL

10h 05m

1 stop

4:00 pm - 11:36 pm

HRL

IAD

6h 36m

1 stop

$314Delta

Sat, Apr 18 - Tue, Apr 21

11:05 am - 3:34 pm

DCA

HRL

5h 29m

1 stop

2:00 pm - 8:35 pm

HRL

DCA

5h 35m

1 stop

$318United Airlines

Wed, Jun 10 - Fri, Jun 12

Delta flights from Maryland to Harlingen, Texas

Our best Delta deals on Maryland to Harlingen, Texas flight tickets

Delta

Apr 18

BWI6:00 amBaltimore/Washington

10h 05m

1 stop

HRL3:05 pmHarlingen Valley Intl

Apr 21

HRL4:00 pmHarlingen Valley Intl

6h 26m

1 stop

BWI11:26 pmBaltimore/Washington

$309

Delta

Apr 18

IAD6:00 amWashington, D.C. Dulles Intl

10h 05m

1 stop

HRL3:05 pmHarlingen Valley Intl

Apr 21

HRL4:00 pmHarlingen Valley Intl

6h 36m

1 stop

IAD11:36 pmWashington, D.C. Dulles Intl

$314

Delta

Apr 23

IAD6:00 amWashington, D.C. Dulles Intl

10h 05m

2 stops

HRL3:05 pmHarlingen Valley Intl

Apr 27

HRL4:00 pmHarlingen Valley Intl

6h 36m

1 stop

IAD11:36 pmWashington, D.C. Dulles Intl

$414

United Airlines flights from Maryland to Harlingen, Texas

Our best United Airlines deals on Maryland to Harlingen, Texas flight tickets

United Airlines

Apr 22

DCA2:33 pmWashington, D.C. Reagan-National

6h 07m

1 stop

HRL7:40 pmHarlingen Valley Intl

Apr 28

HRL7:00 amHarlingen Valley Intl

5h 36m

1 stop

DCA1:36 pmWashington, D.C. Reagan-National

$269

United Airlines

Mar 31

PHL8:00 amPhiladelphia

9h 04m

1 stop

HRL4:04 pmHarlingen Valley Intl

Apr 7

HRL12:05 pmHarlingen Valley Intl

11h 40m

2 stops

PHL12:45 amPhiladelphia

$294

United Airlines

Jul 11

BWI12:25 pmBaltimore/Washington

8h 04m

1 stop

HRL7:29 pmHarlingen Valley Intl

Jul 18

HRL5:15 amHarlingen Valley Intl

5h 05m

1 stop

BWI11:20 amBaltimore/Washington

$301

momondo Fare Finder

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

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 2/14

3:59 pm-11:03 pm

1 stop8h 04m

Harlingen Valley Intl

Wed 2/18

6:00 am-2:37 pm

1 stop7h 37m

$283

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 2/14

1:48 pm-11:03 pm

2 stops10h 15m

Harlingen Valley Intl

Wed 2/18

6:00 am-2:37 pm

1 stop7h 37m

$289

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 2/12

6:15 am-11:30 am

1 stop6h 15m

Harlingen Valley Intl

Thu 2/19

6:35 am-3:45 pm

1 stop8h 10m

$299

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 7/11

12:25 pm-7:29 pm

1 stop8h 04m

Harlingen Valley Intl

Sat 7/18

5:15 am-11:20 am

1 stop5h 05m

$301

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 2/12

6:15 am-11:30 am

1 stop6h 15m

Harlingen Valley Intl

Thu 2/19

5:40 am-3:10 pm

2 stops8h 30m

$304

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Mon 1/26

5:39 pm-11:21 pm

1 stop6h 42m

Harlingen Valley Intl

Sat 2/7

6:02 am-12:34 pm

1 stop5h 32m

$305

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 4/18

6:00 am-3:05 pm

1 stop10h 05m

Harlingen Valley Intl

Tue 4/21

4:00 pm-11:26 pm

1 stop6h 26m

$309

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Mon 1/26

5:39 pm-11:21 pm

1 stop6h 42m

Harlingen Valley Intl

Sat 2/7

6:02 am-5:45 pm

2 stops10h 43m

$310

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-3:05 pm

1 stop10h 05m

Harlingen Valley Intl

Tue 4/21

4:00 pm-11:36 pm

1 stop6h 36m

$314

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 6/10

11:05 am-3:34 pm

1 stop5h 29m

Harlingen Valley Intl

Fri 6/12

2:00 pm-8:35 pm

1 stop5h 35m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

American Airlines, United Airlines, and Southwest are the most popular carriers 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 51% 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	6h 20m
Direct flights	None

The fastest flight from Maryland to Harlingen, Texas takes 6h 20m

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?
As of January 2026, there are 2 operators available to choose from 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
Southwest	PriceFrom $228	Free Cancellation	Rating 8.0 4,257 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.