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

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — BWI
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Harlingen to Maryland

Cheapest flights from Harlingen to Maryland
Explore the most affordable flight options available from Harlingen to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This Southwest deal was found by Cheapflights users on 7/27. 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 8/246:20 am
HRL
-
BWI
1 stop5h 45m
Southwest
Mon 8/319:40 am
BWI
-
HRL
1 stop7h 25m
Southwest
Deal found 7/27$289
This Southwest deal was found by Cheapflights users on 7/27. 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.
Tue 8/186:35 am
HRL
-
BWI
1 stop6h 30m
Southwest
Tue 8/183:50 pm
BWI
-
HRL
1 stop5h 20m
Southwest
Deal found 7/27$307
This Southwest deal was found by Cheapflights users on 7/27. 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.
Tue 8/1812:35 pm
HRL
-
BWI
1 stop6h 20m
Southwest
Sat 12/128:10 am
BWI
-
HRL
1 stop12h 30m
Southwest
Deal found 7/27$312
This Southwest deal was found by Cheapflights users on 7/26. 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 9/1710:55 am
HRL
-
BWI
1 stop10h 50m
Southwest
Mon 9/217:10 am
BWI
-
HRL
1 stop5h 10m
Southwest
Deal found 7/26$319
This Southwest deal was found by Cheapflights users on 7/24. 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 9/2612:35 pm
HRL
-
BWI
1 stop6h 50m
Southwest
Sun 9/278:00 am
BWI
-
HRL
1 stop7h 35m
Southwest
Deal found 7/24$324
This Southwest deal was found by Cheapflights users on 7/26. 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 9/1710:55 am
HRL
-
BWI
1 stop10h 50m
Southwest
Sun 9/208:00 am
BWI
-
HRL
1 stop7h 35m
Southwest
Deal found 7/26$329
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 10/232:47 pm
HRL
-
BWI
1 stop7h 07m
American Airlines
Tue 10/277:00 am
BWI
-
HRL
1 stop8h 17m
American Airlines
Deal found 7/24$332
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.
Fri 8/285:18 pm
HRL
-
IAD
1 stop6h 12m
United Airlines
Mon 8/318:31 am
IAD
-
HRL
1 stop8h 28m
United Airlines
Deal found 7/23$334
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 11/132:30 pm
HRL
-
DCA
1 stop8h 09m
Delta
Sun 11/156:05 am
DCA
-
HRL
1 stop8h 27m
Delta
Deal found 7/27$339
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 9/175:18 pm
HRL
-
IAD
1 stop6h 12m
United Airlines
Mon 9/213:02 pm
IAD
-
HRL
1 stop7h 50m
United Airlines
Deal found 7/26$339
This Southwest deal was found by Cheapflights users on 7/27. 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 8/244:40 pm
HRL
-
DCA
1 stop4h 45m
Southwest
Mon 8/314:05 pm
DCA
-
HRL
2 stops7h 30m
Southwest
Deal found 7/27$344
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 11/22:13 pm
HRL
-
IAD
2 stops8h 03m
Delta
Fri 11/67:23 am
IAD
-
HRL
1 stop7h 00m
Delta
Deal found 7/27$344

Find flight deals from Harlingen to Maryland

Keep the following information in mind while searching for Harlingen to Maryland flight deals. Data was last updated July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Southwest)

One-way from

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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Maryland 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 28, 2026.
Use the filters below to find and compare flights from Harlingen to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Mon 8/24

5:30 am-2:40 pm

2 stops8h 10m

Baltimore/Washington

Mon 8/31

8:45 am-4:05 pm

2 stops8h 20m

$299

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 9/26

6:05 am-5:00 pm

2 stops9h 55m

Baltimore/Washington

Sun 9/27

8:00 am-2:35 pm

1 stop7h 35m

$329

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Fri 8/28

5:18 pm-12:30 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Mon 8/31

8:31 am-3:59 pm

1 stop8h 28m

$334

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/13

2:30 pm-11:39 pm

1 stop8h 09m

Washington, D.C. Reagan-National

Sun 11/15

6:05 am-1:32 pm

1 stop8h 27m

$339

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/13

5:25 pm-11:57 pm

1 stop5h 32m

Washington, D.C. Reagan-National

Sun 11/15

8:15 am-4:01 pm

1 stop8h 46m

$339

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Fri 11/13

2:30 pm-11:20 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Sun 11/15

7:30 am-1:32 pm

1 stop7h 02m

$339

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Thu 9/17

5:18 pm-12:30 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Sun 9/20

8:31 am-3:59 pm

1 stop8h 28m

$339

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 11/13

2:30 pm-11:41 pm

1 stop8h 11m

Baltimore/Washington

Sun 11/15

7:00 am-1:32 pm

1 stop7h 32m

$359

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 9/18

11:55 am-7:35 pm

1 stop6h 40m

Baltimore/Washington

Sun 9/20

9:15 am-2:35 pm

1 stop6h 20m

$359

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 9/17

11:55 am-8:15 pm

2 stops7h 20m

Baltimore/Washington

Sun 9/20

8:10 am-2:35 pm

2 stops7h 25m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Harlingen to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Harlingen 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 Harlingen to Maryland

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

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated July 28, 2026.
See what other customers who have flown with Southwest from Harlingen to Maryland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,228 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Maryland. 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 from for flights from Harlingen to Maryland?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to Maryland.

  • How long is the flight from Harlingen to Maryland?

    For as low as $334, Southwest can have you in Maryland from Harlingen in 6h 12m. Airlines will cover a distance of 1462 mi. This flight may include one or multiple stops.

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

    Most travelers choose Harlingen Valley Intl - Washington, D.C. Dulles Intl, Harlingen Valley Intl - Baltimore/Washington or Harlingen Valley Intl - Washington, D.C. Reagan-National when deciding on the best route from Harlingen to Maryland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Maryland 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

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Top airline flying from Harlingen to Maryland

Discover the top airline that operate flights from Harlingen to Maryland. 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$290Average$379FlexibilityNo cancel feeOn-time63%

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