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Washington, D.C.

$332+ Cheap flights from Harlingen, TX (HRL) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — WAS
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
1 adult, Economy
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Cheap flight deals from Harlingen to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Washington, D.C. (WAS). 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 noviembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$329
(Delta)
Provider with most accurate pricing for Harlingen Valley Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Washington, D.C. (WAS) flights.
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From Harlingen Valley Intl to Washington, D.C. (WAS)
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Find flight deals from Harlingen to Washington, D.C.

Cheapest flights from Harlingen to Washington, D.C.
Explore the most affordable flight options available from Harlingen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 4, 2025.

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.
lun. 11/106:50 amHRL - BWI
1 stop5h 40mSouthwest
jue. 11/131:55 pmBWI - HRL
1 stop9h 35mSouthwest
Deal found 11/4$332
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.
mié. 11/1912:11 pmHRL - DCA
1 stop6h 39mAmerican Airlines
dom. 11/237:45 amDCA - HRL
1 stop8h 51mAmerican Airlines
Deal found 11/4$339
This American Airlines deal was found by Cheapflights users on 11/3. 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.
mar. 11/184:02 pmHRL - BWI
1 stop6h 00mAmerican Airlines
sáb. 11/226:02 amBWI - HRL
1 stop6h 36mAmerican Airlines
Deal found 11/3$403
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.
lun. 11/103:35 pmHRL - DCA
1 stop6h 20mSouthwest
jue. 11/131:00 pmDCA - HRL
1 stop7h 25mSouthwest
Deal found 11/4$409
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.
lun. 11/105:40 amHRL - IAD
2 stops10h 09mAmerican Airlines
mié. 11/195:27 pmIAD - HRL
1 stop6h 47mAmerican Airlines
Deal found 11/4$409
This American Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 11/135:40 amHRL - IAD
2 stops9h 22mAmerican Airlines
vie. 11/146:04 amIAD - HRL
1 stop6h 36mAmerican Airlines
Deal found 11/3$414
This Delta deal was found by Cheapflights users on 11/2. 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.
lun. 11/33:39 pmHRL - BWI
1 stop7h 10mDelta
dom. 11/96:00 amBWI - HRL
1 stop9h 43mDelta
Deal found 11/2$423
This Delta deal was found by Cheapflights users on 11/2. 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.
lun. 11/33:39 pmHRL - DCA
1 stop6h 46mDelta
dom. 11/96:10 amDCA - HRL
1 stop9h 33mDelta
Deal found 11/2$439
This Delta deal was found by Cheapflights users on 11/2. 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.
jue. 11/63:39 pmHRL - BWI
1 stop7h 10mDelta
dom. 11/96:00 amBWI - HRL
1 stop9h 43mDelta
Deal found 11/2$453
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/105:00 pmHRL - IAD
1 stop5h 44mUnited Airlines
mié. 11/196:00 amIAD - HRL
1 stop5h 59mUnited Airlines
Deal found 11/4$464
This Delta deal was found by Cheapflights users on 11/2. 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.
lun. 11/33:39 pmHRL - DCA
1 stop6h 46mDelta
sáb. 11/86:10 amDCA - HRL
1 stop9h 33mDelta
Deal found 11/2$469
This Delta deal was found by Cheapflights users on 11/2. 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.
mar. 11/43:39 pmHRL - DCA
1 stop6h 46mDelta
vie. 11/76:00 amDCA - HRL
2 stops9h 43mDelta
Deal found 11/2$474

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Washington, D.C. 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 noviembre 4, 2025.
Use the filters below to find and compare flights from Harlingen to Washington, D.C. that are best for you.

Fly from

Harlingen

Fly to

Washington, D.C.

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mié. 11/19

12:11 pm-7:50 pm

1 stop6h 39m

Washington, D.C. Reagan-National

dom. 11/23

7:45 am-3:36 pm

1 stop8h 51m

$339

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

mar. 3/31

3:00 pm-11:27 pm

1 stop7h 27m

Baltimore/Washington

mié. 4/1

7:15 am-2:29 pm

1 stop8h 14m

$354

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

mar. 3/24

3:00 pm-11:27 pm

1 stop7h 27m

Baltimore/Washington

mié. 3/25

7:15 am-2:29 pm

1 stop8h 14m

$384

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

mar. 3/10

10:04 am-4:09 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

mié. 3/11

6:40 am-11:35 am

1 stop5h 55m

$397

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mar. 3/10

5:50 am-5:57 pm

2 stops11h 07m

Washington, D.C. Reagan-National

mié. 3/11

5:00 am-11:35 am

1 stop7h 35m

$402

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

mar. 11/18

4:02 pm-11:02 pm

1 stop6h 00m

Baltimore/Washington

sáb. 11/22

6:12 am-3:36 pm

2 stops10h 24m

$408

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mar. 3/10

9:20 am-6:44 pm

1 stop8h 24m

Washington, D.C. Reagan-National

mié. 3/11

4:28 pm-9:44 pm

1 stop6h 16m

$409

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

mar. 3/10

5:16 pm-11:59 pm

1 stop5h 43m

Washington, D.C. Dulles Intl

mié. 3/11

1:00 pm-7:29 pm

1 stop7h 29m

$409

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

mar. 3/24

9:20 am-9:42 pm

2 stops11h 22m

Baltimore/Washington

mié. 3/25

6:00 am-10:59 am

1 stop5h 59m

$422

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

mar. 3/31

2:00 pm-10:34 pm

1 stop7h 34m

Baltimore/Washington

mié. 4/1

10:45 am-7:29 pm

2 stops9h 44m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 13 results
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Compare providers for flights from Harlingen to Washington, D.C.

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 Washington, D.C. in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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, Texas-Washington, D.C. 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. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Washington, D.C. 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. 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 Washington, D.C.

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

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

Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. (average of $253). Flying from Harlingen, Texas to Washington, D.C. 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated noviembre 4, 2025.
Get a feel of what it's like to fly with Southwest from Harlingen to Washington, D.C. 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
4,239 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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 Washington, D.C.. 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.?

    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 Washington, D.C.. 2 airlines have flights from Valley Intl to Washington, D.C. on a regular basis. Booking flights from Harlingen Valley Intl to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

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

    American Airlines, Delta, and United Airlines can get you from Harlingen, Texas to Washington, D.C. in just under 6h 39m. Your travel time can differ by up to 1h 45m. Airlines will cover a distance of 1477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Harlingen, Texas to Washington, D.C. round-trip?

    United Airlines, at $270, was found to be the cheapest airline from Harlingen, Texas to Washington, D.C.. An alternate airline flying to your destination would be Southwest.

  • What are the most popular routes from Harlingen, Texas to Washington, D.C.?

    When deciding which route to take from Harlingen, Texas to Washington, D.C. consider Harlingen Valley Intl - Washington, D.C. Reagan-National, Harlingen Valley Intl - Baltimore/Washington or Harlingen Valley Intl - Washington, D.C. Dulles Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Washington, D.C. 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.?

    Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. (average of $253). Flying from Harlingen, Texas to Washington, D.C. 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.?

Book flights to Washington, D.C. 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 Washington, D.C.

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 Washington, D.C.

Discover the top 2 airlines that operate flights from Harlingen to Washington, D.C.. 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 noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$155Average$421FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$270Average$402FlexibilityNo cancel feeOn-time69%

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