HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$145+ Cheap flights from Maryland to Harlingen (HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HRL
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Maryland to Harlingen

Cheapest flights from Maryland to Harlingen
Explore the most affordable flight options available from Maryland to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:10 am
BWI
-
HRL
1 stop5h 10m
Southwest
Fri 8/2810:55 am
HRL
-
BWI
1 stop8h 00m
Southwest
Deal found 7/23$324
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:55 pm
BWI
-
HRL
1 stop7h 59m
American Airlines
Mon 8/313:17 pm
HRL
-
BWI
1 stop7h 24m
American Airlines
Deal found 7/23$327
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am
DCA
-
HRL
1 stop6h 30m
Southwest
Mon 9/145:30 am
HRL
-
DCA
1 stop11h 40m
Southwest
Deal found 7/23$334
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:02 pm
IAD
-
HRL
1 stop7h 50m
United Airlines
Fri 8/285:18 pm
HRL
-
IAD
1 stop6h 12m
United Airlines
Deal found 7/23$334
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:55 pm
BWI
-
HRL
2 stops14h 25m
Southwest
Sun 10/256:25 pm
HRL
-
BWI
1 stop5h 10m
Southwest
Deal found 7/25$335
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:35 pm
DCA
-
HRL
2 stops7h 00m
Southwest
Fri 8/284:40 pm
HRL
-
DCA
1 stop4h 45m
Southwest
Deal found 7/23$339
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:05 am
DCA
-
HRL
2 stops7h 20m
Southwest
Fri 10/95:30 am
HRL
-
DCA
1 stop11h 40m
Southwest
Deal found 7/22$345
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:24 am
PHL
-
HRL
1 stop7h 41m
American Airlines
Wed 9/305:51 am
HRL
-
PHL
1 stop6h 09m
American Airlines
Deal found 7/21$349
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:16 am
PHL
-
HRL
1 stop8h 08m
United Airlines
Mon 8/241:59 pm
HRL
-
PHL
2 stops10h 00m
United Airlines
Deal found 7/20$354
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:25 am
IAD
-
HRL
1 stop6h 58m
Delta
Fri 10/92:13 pm
HRL
-
IAD
2 stops7h 58m
Delta
Deal found 7/22$359
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:15 am
PHL
-
HRL
1 stop8h 16m
Delta
Thu 11/192:00 pm
HRL
-
PHL
1 stop8h 40m
Delta
Deal found 7/22$359
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 am
BWI
-
HRL
1 stop5h 45m
Southwest
Sun 10/256:00 am
HRL
-
BWI
1 stop7h 10m
Southwest
Deal found 7/25$359

Find flight deals from Maryland to Harlingen

Keep the following information in mind while searching for Maryland to Harlingen flight deals. Data was last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$324
(Southwest)

One-way from

$145
(Southwest)
Provider with most accurate pricing for Washington, D.C. (WAS)-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Harlingen Valley Intl flights.
Search Deals
From Maryland to Harlingen Valley Intl
Search Deals
One-way flight from Maryland to Harlingen Valley Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Harlingen 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Maryland to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/7

6:35 am-12:25 pm

1 stop6h 50m

Harlingen Valley Intl

Fri 10/9

6:30 pm-1:30 am

1 stop6h 00m

$324

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 8/27

3:55 pm-10:54 pm

1 stop7h 59m

Harlingen Valley Intl

Mon 8/31

3:17 pm-11:41 pm

1 stop7h 24m

$327

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 8/24

4:30 pm-10:35 pm

2 stops7h 05m

Harlingen Valley Intl

Fri 8/28

4:40 pm-10:40 pm

1 stop5h 00m

$329

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Mon 8/24

4:38 pm-9:52 pm

1 stop6h 14m

Harlingen Valley Intl

Fri 8/28

1:59 pm-10:13 pm

1 stop7h 14m

$334

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Mon 8/24

4:35 pm-10:35 pm

2 stops7h 00m

Harlingen Valley Intl

Fri 8/28

4:40 pm-10:25 pm

1 stop4h 45m

$339

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Sat 9/26

6:10 am-3:59 pm

2 stops10h 49m

Harlingen Valley Intl

Wed 9/30

5:05 am-11:58 am

1 stop5h 53m

$354

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 8/18

6:16 am-1:24 pm

1 stop8h 08m

Harlingen Valley Intl

Mon 8/24

1:59 pm-12:59 am

2 stops10h 00m

$354

PhiladelphiaHarlingen

PHL - HRL

PHLHRL

Philadelphia

Tue 11/10

6:15 am-1:31 pm

1 stop8h 16m

Harlingen Valley Intl

Thu 11/19

2:00 pm-11:40 pm

1 stop8h 40m

$359

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 9/12

9:25 am-3:50 pm

2 stops7h 25m

Harlingen Valley Intl

Mon 9/14

5:30 am-3:30 pm

2 stops9h 00m

$362

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 12/4

6:05 am-12:15 pm

1 stop7h 10m

Harlingen Valley Intl

Sun 12/6

11:40 am-8:55 pm

1 stop8h 15m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 50 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Maryland to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Maryland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Harlingen

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Harlingen from Maryland?

    If you book a flight to Harlingen from Maryland, you will be flying to Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen.

  • How long is the flight from Maryland to Harlingen?

    There are many flights that can get you from Maryland to Harlingen in 6h 14m. Fly via Southwest, American Airlines, or United Airlines to get the fastest option. The distance between Maryland and Harlingen is about 1477 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Maryland to Harlingen?

    The most popular route from Maryland to Harlingen is Baltimore/Washington - Harlingen Valley Intl. You may also consider Philadelphia - Harlingen Valley Intl or Washington, D.C. Dulles Intl - Harlingen Valley Intl.

  • Can I find deals for flights from Maryland to Harlingen that include hotel bookings?

    Yes. In addition to deals on Maryland to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Harlingen.

  • Can I find deals for business class flights from Maryland to Harlingen?

    Yes. Cheapflights offers flight deals from Maryland to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maryland to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Baltimore to Hobby flights
Newark to Hobby flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Hobby flights
John F Kennedy Intl to Austin flights
Newark to Austin flights
LaGuardia to Hobby flights
Detroit to Dallas/Fort Worth flights
Newark to George Bush Intcntl flights
Atlanta to Dallas/Fort Worth flights
Orlando to Hobby flights
Philadelphia to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
O'Hare Intl to Hobby flights
Ontario to Dallas/Fort Worth flights
Fort Lauderdale to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Hobby flights
John F Kennedy Intl to George Bush Intcntl flights
LaGuardia to George Bush Intcntl flights
John F Kennedy Intl to Hobby flights
Seattle to Hobby flights
Atlanta to Hobby flights
Raleigh to Dallas/Fort Worth flights
Detroit to Hobby flights
O'Hare Intl to George Bush Intcntl flights
Reagan-National to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Boston to Hobby flights
Los Angeles to Austin flights
Midway to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
Dallas/Fort Worth to Hobby flights
LaGuardia to Austin flights
Dulles Intl to Austin flights
Ontario to Hobby flights
Dulles Intl to George Bush Intcntl flights
Tampa to Dallas/Fort Worth flights

Top airline flying from Maryland to Harlingen

Discover the top airline that operate flights from Maryland to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$286Average$357FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.