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Harlingen

$198+ Cheap flights from Washington, D.C. (WAS) to Harlingen, TX (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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HRL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$230
(Southwest)

One-way from

$198
(United Airlines)
From Washington, D.C. (WAS) to Harlingen Valley Intl
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One-way flight from Washington, D.C. (WAS) to Harlingen Valley Intl
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Find flight deals from Washington, D.C. to Harlingen

Cheapest flights from Washington, D.C. to Harlingen
Explore the most affordable flight options available from Washington, D.C. to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Southwest deal was found by Cheapflights users on 9/15. 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 11/225:35 pmDCA - HRL
1 stop7h 20mSouthwest
Thu 11/277:10 amHRL - DCA
1 stop6h 45mSouthwest
Deal found 9/15$230
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/85:00 amDCA - HRL
1 stop5h 38mAmerican Airlines
Fri 10/176:20 pmHRL - DCA
1 stop5h 39mAmerican Airlines
Deal found 9/14$260
This Southwest deal was found by Cheapflights users on 9/15. 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 11/225:35 pmDCA - HRL
1 stop7h 20mSouthwest
Fri 11/285:45 amHRL - DCA
2 stops6h 20mSouthwest
Deal found 9/15$265
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/286:00 amBWI - HRL
1 stop8h 19mUnited Airlines
Tue 9/302:05 pmHRL - BWI
1 stop7h 53mUnited Airlines
Deal found 9/15$277
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/301:32 pmBWI - HRL
1 stop5h 33mAmerican Airlines
Sat 10/45:45 amHRL - BWI
1 stop5h 57mAmerican Airlines
Deal found 9/15$281
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/3010:51 amBWI - HRL
2 stops13h 27mUnited Airlines
Sat 10/45:00 amHRL - BWI
2 stops8h 08mUnited Airlines
Deal found 9/15$287
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/226:00 amIAD - HRL
1 stop5h 59mUnited Airlines
Thu 11/2712:10 pmHRL - IAD
1 stop7h 41mUnited Airlines
Deal found 9/15$292
This Southwest deal was found by Cheapflights users on 9/14. 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 10/810:30 amBWI - HRL
1 stop5h 35mSouthwest
Fri 10/176:00 pmHRL - BWI
1 stop4h 55mSouthwest
Deal found 9/14$304
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/3011:30 amDCA - HRL
1 stop7h 35mAmerican Airlines
Sat 10/410:11 amHRL - DCA
1 stop7h 46mAmerican Airlines
Deal found 9/15$319
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/305:40 pmIAD - HRL
1 stop6h 17mAmerican Airlines
Sat 10/410:11 amHRL - IAD
1 stop5h 36mAmerican Airlines
Deal found 9/15$319
This Delta deal was found by Cheapflights users on 9/14. 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 10/86:18 amIAD - HRL
1 stop9h 25mDelta
Fri 10/173:39 pmHRL - IAD
1 stop7h 01mDelta
Deal found 9/14$345
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/285:00 amDCA - HRL
1 stop5h 41mAmerican Airlines
Tue 9/302:51 pmHRL - DCA
1 stop7h 09mAmerican Airlines
Deal found 9/15$349

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Harlingen that are best for you.

Fly from

Washington, D.C.

Fly to

Harlingen

Route

Depart

Return

Price

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 11/22

5:35 pm-11:55 pm

1 stop7h 20m

Harlingen Valley Intl

Thu 11/27

7:10 am-2:55 pm

1 stop6h 45m

$230

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 10/8

5:00 am-9:38 am

1 stop5h 38m

Harlingen Valley Intl

Fri 10/17

6:20 pm-12:59 am

1 stop5h 39m

$260

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 11/22

2:55 pm-11:55 pm

2 stops10h 00m

Harlingen Valley Intl

Fri 11/28

5:45 am-1:05 pm

2 stops6h 20m

$270

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 1/7

6:30 am-11:41 am

1 stop6h 11m

Harlingen Valley Intl

Tue 3/31

4:12 pm-10:15 pm

1 stop5h 03m

$280

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Tue 9/30

10:51 am-11:18 pm

2 stops13h 27m

Harlingen Valley Intl

Sat 10/4

7:00 am-4:14 pm

1 stop8h 14m

$282

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sun 9/28

6:00 am-1:19 pm

1 stop8h 19m

Harlingen Valley Intl

Tue 9/30

5:00 am-2:08 pm

2 stops8h 08m

$282

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 11/22

6:00 am-10:59 am

1 stop5h 59m

Harlingen Valley Intl

Thu 11/27

12:10 pm-8:51 pm

1 stop7h 41m

$292

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 3/10

6:10 am-2:29 pm

1 stop9h 19m

Harlingen Valley Intl

Wed 3/11

3:00 pm-10:17 pm

1 stop6h 17m

$294

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/8

10:30 am-3:05 pm

1 stop5h 35m

Harlingen Valley Intl

Fri 10/17

6:00 pm-11:55 pm

1 stop4h 55m

$304

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 9/30

11:30 am-6:05 pm

1 stop7h 35m

Harlingen Valley Intl

Sat 10/4

10:11 am-6:57 pm

1 stop7h 46m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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Best time to book a flight from Washington, D.C. to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Washington, D.C. 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 Washington, D.C. to Harlingen

What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Harlingen, Texas (average of $267). Flying from Washington, D.C. to Harlingen, Texas in June is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to HRL?

Find hourly flight availability from Washington, D.C. to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Harlingen, Texas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Southwest from Washington, D.C. to Harlingen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Harlingen. 2 airlines have flights to Valley Intl from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Harlingen Valley Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Harlingen, Texas?

    Departing from Washington, D.C. to Harlingen, Texas will take you 5h 38m. The distance from Washington, D.C. to Harlingen, Texas 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 Washington, D.C. to Harlingen, Texas?

    While some choose either Washington, D.C. Dulles Intl - Harlingen Valley Intl or Washington, D.C. Reagan-National - Harlingen Valley Intl, Baltimore/Washington - Harlingen Valley Intl is the most popular route from Washington, D.C. to Harlingen, Texas.

  • Can I find deals for flights from Washington, D.C. to Harlingen that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Harlingen?

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

  • Can I find deals for business class flights from Washington, D.C. to Harlingen?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Harlingen, Texas (average of $267). Flying from Washington, D.C. to Harlingen, Texas in June is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington, D.C. to Harlingen

Discover the top 2 airlines that operate flights from Washington, D.C. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$346FlexibilityNo cancel feeOn-time63%

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