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Reagan-National

$205+ Cheap flights from Harlingen, TX (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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DCA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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 12/135:36 amHRL - DCA
1 stop5h 23mAmerican Airlines
Mon 12/1510:35 amDCA - HRL
1 stop8h 04mAmerican Airlines
Deal found 11/4$295
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/205:00 amHRL - DCA
1 stop5h 29mUnited Airlines
Mon 11/248:15 amDCA - HRL
1 stop8h 44mUnited Airlines
Deal found 11/5$334
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/1912:11 pmHRL - DCA
1 stop6h 39mAmerican Airlines
Sun 11/237:45 amDCA - HRL
1 stop8h 51mAmerican Airlines
Deal found 11/4$339
This Southwest deal was found by Cheapflights users on 11/4. 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 11/103:35 pmHRL - DCA
1 stop6h 20mSouthwest
Thu 11/131:00 pmDCA - HRL
1 stop7h 25mSouthwest
Deal found 11/4$409
This Delta deal was found by Cheapflights users on 11/6. 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 11/213:39 pmHRL - DCA
1 stop6h 52mDelta
Tue 11/256:10 amDCA - HRL
1 stop9h 33mDelta
Deal found 11/6$429
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/205:40 amHRL - DCA
2 stops7h 44mAmerican Airlines
Mon 11/2412:59 pmDCA - HRL
1 stop6h 09mAmerican Airlines
Deal found 11/5$581
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/215:40 amHRL - DCA
2 stops7h 44mAmerican Airlines
Tue 11/256:30 amDCA - HRL
1 stop6h 08mAmerican Airlines
Deal found 11/6$669

Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$295
(American Airlines)

One-way from

$205
(Delta)

Popular in

June

Cheapest in

July
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
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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 November 6, 2025.
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

Harlingen

Fly to

Reagan-National

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 12/13

5:36 am-11:59 am

1 stop5h 23m

Washington, D.C. Reagan-National

Mon 12/15

10:35 am-5:39 pm

1 stop8h 04m

$295

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 11/20

5:00 am-11:29 am

1 stop5h 29m

Washington, D.C. Reagan-National

Mon 11/24

8:15 am-3:59 pm

1 stop8h 44m

$334

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 11/20

3:39 pm-11:31 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Mon 11/24

6:10 am-2:43 pm

1 stop9h 33m

$339

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 11/19

12:11 pm-7:50 pm

1 stop6h 39m

Washington, D.C. Reagan-National

Sun 11/23

7:45 am-3:36 pm

1 stop8h 51m

$339

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Mon 11/10

3:35 pm-10:55 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Thu 11/13

1:00 pm-7:25 pm

1 stop7h 25m

$409

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/21

3:39 pm-11:31 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Tue 11/25

6:10 am-2:43 pm

1 stop9h 33m

$429

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 11/20

5:40 am-2:24 pm

2 stops7h 44m

Washington, D.C. Reagan-National

Mon 11/24

12:59 pm-6:08 pm

1 stop6h 09m

$581

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/14

3:39 pm-11:31 pm

1 stop6h 52m

$205

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/14

5:45 am-1:05 pm

2 stops6h 20m

$280

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sun 11/30

5:00 pm-1:49 pm

1 stop19h 49m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 11 results
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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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, Texas-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-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, Texas-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams 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, Texas-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.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Washington, D.C. Reagan-National Airport

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

Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport (average of $253). Flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $384). 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.

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 November 6, 2025.
Get a feel of what it's like to fly with Southwest and 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.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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 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 2 airlines. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

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

    American Airlines, United Airlines, and Delta can get you from Harlingen, Texas to Washington, D.C. Reagan-National Airport in just under 5h 23m. Your travel time can differ by up to 1h 29m. The distance between Harlingen, Texas and Washington, D.C. Reagan-National Airport 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 cheapest airlines flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, United Airlines ($270), and Southwest ($333) offers the cheapest pricing from Harlingen, Texas to Washington, D.C. Reagan-National Airport. You may be able to fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport one-way?

    One-way options have recently been found by users for as low as $205 on Delta. Other airlines that offer cheap prices include Southwest from $280 and United Airlines from $597 one-way.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport (average of $253). Flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $384). 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

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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Harlingen to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Harlingen to Reagan-National

Discover the top 2 airlines 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$270Average$386FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$333Average$457FlexibilityNo cancel feeOn-time63%

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