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Harlingen

$190+ Cheap flights from Reagan-National (DCA) 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HRL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 17, 2025.

Round-trip from

$230
(Southwest)

One-way from

$190
(American Airlines)
From Washington, D.C. Reagan-National to Harlingen Valley Intl
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One-way flight from Washington, D.C. Reagan-National to Harlingen Valley Intl
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Find flight deals from Reagan-National to Harlingen

Cheapest flights from Reagan-National to Harlingen
Explore the most affordable flight options available from Reagan-National to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 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 United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/152:56 pmDCA - HRL
1 stop5h 45mUnited Airlines
Sat 10/185:17 pmHRL - DCA
1 stop5h 33mUnited Airlines
Deal found 9/17$251
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 9/17. 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.
Wed 10/152:56 pmDCA - HRL
1 stop5h 45mUnited Airlines
Sun 10/195:00 amHRL - DCA
1 stop5h 34mUnited Airlines
Deal found 9/17$294
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.
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
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/16:45 amDCA - HRL
1 stop8h 34mAmerican Airlines
Sun 10/55:45 amHRL - DCA
1 stop5h 51mAmerican Airlines
Deal found 9/16$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Harlingen that are best for you.

Fly from

Reagan-National

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

Sat 10/25

3:50 pm-11:04 pm

2 stops8h 14m

Harlingen Valley Intl

Fri 10/31

2:50 pm-11:00 pm

1 stop7h 10m

$235

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 10/15

2:56 pm-7:41 pm

1 stop5h 45m

Harlingen Valley Intl

Sat 10/18

5:17 pm-11:50 pm

1 stop5h 33m

$251

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

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

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 10/15

2:56 pm-7:41 pm

1 stop5h 45m

Harlingen Valley Intl

Sun 10/19

5:00 am-11:34 am

1 stop5h 34m

$294

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 9/26

9:20 am-2:19 pm

1 stop5h 59m

$190

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 9/26

10:45 am-5:10 pm

2 stops7h 25m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Reagan-National to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Reagan-National 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. Reagan-National Airport to Harlingen

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Reagan-National Airport 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Harlingen, you will be flying into Valley Intl. Harlingen Valley Intl (HRL) is just 3.7 mi from the center of the city. Valley Intl is the only Harlingen airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Harlingen Valley Intl from Washington, D.C. Reagan-National on a regular basis.

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

    Airlines like Southwest and American Airlines fly from Washington, D.C. Reagan-National Airport to Harlingen, Texas in about 7h 20m. The time it takes to get you to your destination can typically vary by up to 54m. There are 1477 mi between Washington, D.C. Reagan-National Airport and Harlingen, Texas. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Harlingen that include hotel bookings?

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

  • How can I find direct flights from Reagan-National to Harlingen?

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

  • Can I find deals for business class flights from Reagan-National to Harlingen?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Reagan-National Airport 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.

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