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Reagan-National

$229+ Cheap flights from Harlingen (HRL) to Reagan-National (DCA)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DCA
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Harlingen to Reagan-National

Cheapest flights from Harlingen to Reagan-National
Explore the most affordable flight options available from Harlingen to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:18 pm
HRL
-
DCA
1 stop5h 40m
United Airlines
Mon 5/112:35 pm
DCA
-
HRL
1 stop6h 25m
United Airlines
Deal found 4/14$280
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/105:10 am
HRL
-
DCA
1 stop5h 46m
United Airlines
Wed 6/242:55 pm
DCA
-
HRL
1 stop7h 59m
United Airlines
Deal found 4/17$289
This Delta deal was found by Cheapflights users on 4/13. 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.
Sat 11/142:00 pm
HRL
-
DCA
1 stop8h 29m
Delta
Mon 11/166:10 am
DCA
-
HRL
1 stop8h 21m
Delta
Deal found 4/13$309
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:18 pm
HRL
-
DCA
1 stop5h 40m
United Airlines
Mon 5/114:34 pm
DCA
-
HRL
1 stop6h 25m
United Airlines
Deal found 4/14$325
This Southwest deal was found by Cheapflights users on 4/15. 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 7/410:00 am
HRL
-
DCA
1 stop6h 15m
Southwest
Tue 7/146:35 pm
DCA
-
HRL
1 stop5h 25m
Southwest
Deal found 4/15$344
This Southwest deal was found by Cheapflights users on 4/14. 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.
Sat 5/96:05 am
HRL
-
DCA
2 stops6h 55m
Southwest
Mon 5/116:35 pm
DCA
-
HRL
1 stop5h 25m
Southwest
Deal found 4/14$354
This Southwest deal was found by Cheapflights users on 4/15. 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 7/47:15 am
HRL
-
DCA
1 stop6h 05m
Southwest
Mon 7/1311:35 am
DCA
-
HRL
2 stops6h 25m
Southwest
Deal found 4/15$360
This Southwest deal was found by Cheapflights users on 4/15. 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 7/47:15 am
HRL
-
DCA
1 stop6h 05m
Southwest
Sat 7/114:10 pm
DCA
-
HRL
2 stops7h 30m
Southwest
Deal found 4/15$364
This United Airlines deal was found by Cheapflights users on 4/15. 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 9/12:00 pm
HRL
-
DCA
1 stop5h 35m
United Airlines
Wed 9/22:50 pm
DCA
-
HRL
1 stop5h 39m
United Airlines
Deal found 4/15$367
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:10 pm
HRL
-
DCA
1 stop5h 40m
United Airlines
Sun 5/108:30 am
DCA
-
HRL
1 stop8h 34m
United Airlines
Deal found 4/14$368

Find flight deals from Harlingen to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Reagan-National (DCA). 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(United Airlines)

One-way from

$229
(American Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Washington, D.C. Reagan-National flights.
Search Deals
From Harlingen Valley Intl to Washington, D.C. Reagan-National
Search Deals
One-way flight from Harlingen Valley Intl to Washington, D.C. Reagan-National
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Reagan-National 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 April 18, 2026.
Use the filters below to find and compare flights from Harlingen to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 6/10

5:10 am-11:56 am

1 stop5h 46m

Washington, D.C. Reagan-National

Wed 6/24

2:55 pm-9:54 pm

1 stop7h 59m

$289

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 5/2

5:18 pm-11:58 pm

1 stop5h 40m

Washington, D.C. Reagan-National

Mon 5/11

4:34 pm-9:59 pm

1 stop6h 25m

$325

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 5/9

6:05 am-2:00 pm

2 stops6h 55m

Washington, D.C. Reagan-National

Mon 5/11

6:35 pm-11:00 pm

1 stop5h 25m

$354

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 7/4

7:15 am-2:20 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Mon 7/13

11:35 am-5:00 pm

2 stops6h 25m

$360
Quickest round-trip

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Tue 9/1

2:00 pm-8:35 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Wed 9/2

2:50 pm-7:29 pm

1 stop5h 39m

$367

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 5/8

12:10 pm-6:50 pm

1 stop5h 40m

Washington, D.C. Reagan-National

Sun 5/10

8:30 am-4:04 pm

1 stop8h 34m

$368

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 4/30

12:05 pm-6:50 pm

1 stop5h 45m

Washington, D.C. Reagan-National

Mon 5/11

12:40 pm-8:00 pm

1 stop8h 20m

$373
Cheapest one-way

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 4/23

2:47 pm-11:59 pm

1 stop8h 12m

$229
Quickest one-way

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 5/16

6:05 am-2:00 pm

2 stops6h 55m

$254

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 6/19

10:40 am-8:55 pm

2 stops9h 15m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Harlingen to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Reagan-National in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated April 18, 2026.
Get a feel of what it's like to fly with United Airlines from Harlingen to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,605 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,605 reviews
United Airlines
7.4
Good
9,605 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Reagan-National. 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 Washington, D.C. Reagan-National?

    Most people fly from Harlingen Valley Intl (HRL) if they book a flight from Harlingen to Washington, D.C. Reagan-National. On average, Valley Intl has 0 outbound flights to Washington, D.C. Reagan-National per day from 1 airline. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

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

    United Airlines and Southwest can get you from Harlingen to Washington, D.C. Reagan-National Airport in just under 5h 46m. Your travel time can differ by up to 1h 09m. The distance from Harlingen to Washington, D.C. Reagan-National Airport is about 1477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Harlingen to Washington, D.C. Reagan-National Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $250.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Reagan-National 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Harlingen to Reagan-National

Discover the top airline that operate flights from Harlingen to Reagan-National. 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$250Average$386FlexibilityNo cancel feeOn-time69%

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