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

Delta, at $268, was found to be the cheapest airline from Harlingen, Texas to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is 26% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Harlingen, Texas to Washington, D.C.?

Travelers seeking maximum savings on their Harlingen, Texas to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What is the cheapest day to fly round-trip from Harlingen, Texas to Washington, D.C.?

Saturday flights are found to be more expensive to fly from Harlingen, Texas to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest month to fly from Harlingen, Texas to Washington, D.C.?

Our data shows that June tends to be the cheapest month to fly to Washington, D.C. from Harlingen, Texas. Users have commonly found prices around $363 for the month, but tickets can be as low as $228. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Harlingen, Texas-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 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, Texas-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.. 1 airline 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.

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.

$268+ Save on Flights from Harlingen, TX to Washington, D.C.

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Cheap flight deals from Harlingen to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$268 (Delta)
Popular in	July
Cheapest in	June
Average price	$338

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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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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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 March 25, 2025.

Sun 4/272:41 pmHRL - DCA

1 stop6h 19mDelta

Thu 5/16:00 amDCA - HRL

1 stop8h 46mDelta

Deal found 3/23

$268

Fri 5/95:30 pmHRL - DCA

1 stop5h 29mUnited Airlines

Mon 5/126:00 amDCA - HRL

1 stop6h 24mUnited Airlines

Deal found 3/22

$317

Wed 6/184:12 pmHRL - DCA

1 stop7h 39mAmerican Airlines

Sun 6/225:00 amDCA - HRL

1 stop5h 35mAmerican Airlines

Deal found 3/23

$400

Fri 5/92:45 pmHRL - DCA

1 stop6h 10mSouthwest

Mon 5/123:35 pmDCA - HRL

2 stops7h 35mSouthwest

Deal found 3/22

$405

Wed 6/1810:05 amHRL - IAD

1 stop6h 30mAmerican Airlines

Sun 6/2211:50 amIAD - HRL

1 stop8h 32mAmerican Airlines

Deal found 3/23

$431

Wed 6/184:12 pmHRL - BWI

1 stop6h 04mAmerican Airlines

Sun 6/227:12 pmBWI - HRL

1 stop5h 52mAmerican Airlines

Deal found 3/23

$496

Wed 6/185:10 amHRL - IAD

2 stops15h 12mUnited Airlines

Sun 6/2210:16 pmIAD - HRL

2 stops16h 09mUnited Airlines

Deal found 3/23

$578

Tue 4/812:10 pmHRL - BWI

2 stops8h 32mUnited Airlines

Sat 4/124:21 pmBWI - HRL

1 stop7h 53mUnited Airlines

Deal found 3/24

$635

Best flights from Harlingen to Washington, D.C.
Discover carefully curated flight deals from Harlingen to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Sun 4/272:41 pmHRL - DCA

1 stop6h 19mDelta

Thu 5/16:00 amDCA - HRL

1 stop8h 46mDelta

Deal found 3/23

$268

Fri 5/95:30 pmHRL - DCA

1 stop5h 29mUnited Airlines

Mon 5/126:00 amDCA - HRL

1 stop6h 24mUnited Airlines

Deal found 3/22

$317

Wed 6/184:12 pmHRL - DCA

1 stop7h 39mAmerican Airlines

Sun 6/225:00 amDCA - HRL

1 stop5h 35mAmerican Airlines

Deal found 3/23

$400

Fri 5/92:45 pmHRL - DCA

1 stop6h 10mSouthwest

Mon 5/123:35 pmDCA - HRL

2 stops7h 35mSouthwest

Deal found 3/22

$405

Wed 6/1810:05 amHRL - IAD

1 stop6h 30mAmerican Airlines

Sun 6/2211:50 amIAD - HRL

1 stop8h 32mAmerican Airlines

Deal found 3/23

$431

Wed 6/184:12 pmHRL - BWI

1 stop6h 04mAmerican Airlines

Sun 6/227:12 pmBWI - HRL

1 stop5h 52mAmerican Airlines

Deal found 3/23

$496

Wed 6/185:10 amHRL - IAD

2 stops15h 12mUnited Airlines

Sun 6/2210:16 pmIAD - HRL

2 stops16h 09mUnited Airlines

Deal found 3/23

$578

Tue 4/812:10 pmHRL - BWI

2 stops8h 32mUnited Airlines

Sat 4/124:21 pmBWI - HRL

1 stop7h 53mUnited Airlines

Deal found 3/24

$635

Last-minute flights from Harlingen to Washington, D.C.
Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated March 25, 2025 and is based on user searches.

Tue 4/85:47 amHRL - BWI

1 stop7h 43mAmerican Airlines

Sat 4/126:15 amBWI - HRL

1 stop6h 15mAmerican Airlines

Deal found 3/24

$603

Tue 4/812:10 pmHRL - BWI

2 stops8h 32mUnited Airlines

Sat 4/124:21 pmBWI - HRL

1 stop7h 53mUnited Airlines

Deal found 3/24

$635

Sun 4/272:41 pmHRL - DCA

1 stop6h 19mDelta

Thu 5/16:00 amDCA - HRL

1 stop8h 46mDelta

Deal found 3/23

$268

Sun 4/276:10 amHRL - DCA

1 stop5h 05mSouthwest

Thu 5/13:35 pmDCA - HRL

2 stops7h 35mSouthwest

Deal found 3/23

$528

One-way flights from Harlingen to Washington, D.C.
Search for one-way flight options from Harlingen to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Sat 4/512:04 pmHRL - DCA

1 stop5h 40mAmerican Airlines

Deal found 3/24

$283

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sun 4/27

2:41 pm-10:00 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Thu 5/1

6:00 am-1:46 pm

1 stop8h 46m

$268

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 5/9

5:30 pm-11:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Mon 5/12

6:00 am-11:24 am

1 stop6h 24m

$317

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 6/18

4:12 pm-12:51 am

1 stop7h 39m

Washington, D.C. Reagan-National

Sun 6/22

5:00 am-9:35 am

1 stop5h 35m

$400

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 5/9

2:45 pm-9:55 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Mon 5/12

3:35 pm-10:10 pm

2 stops7h 35m

$405

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 6/18

10:05 am-5:35 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Sun 6/22

11:50 am-7:22 pm

1 stop8h 32m

$431

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/18

4:12 pm-11:16 pm

1 stop6h 04m

Baltimore/Washington

Sun 6/22

7:12 pm-12:04 am

1 stop5h 52m

$496

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 6/18

5:10 am-9:22 pm

2 stops15h 12m

Washington, D.C. Dulles Intl

Sun 6/22

10:16 pm-1:25 pm

2 stops16h 09m

$578

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 4/8

12:10 pm-9:42 pm

2 stops8h 32m

Baltimore/Washington

Sat 4/12

4:21 pm-11:14 pm

1 stop7h 53m

$635

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 4/5

12:04 pm-6:44 pm

1 stop5h 40m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Harlingen to Washington, D.C.

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 March.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 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, 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, August is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. (average of $309). Flying from Harlingen, Texas to Washington, D.C. in June is currently the most expensive (average of $387). 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 HRL to WAS?

It’s optimal to fly from Harlingen, Texas to Washington, D.C. in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight at noon.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Southwest, Delta and United Airlines from Harlingen to Washington, D.C. have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,272 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,890 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,605 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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.. 1 airline 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.
What are the cheapest airlines flying from Harlingen, Texas to Washington, D.C. round-trip?
Delta, at $268, was found to be the cheapest airline from Harlingen, Texas to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is 26% cheaper than the average price of flights available within the next 90 days to this destination.
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, August is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. (average of $309). Flying from Harlingen, Texas to Washington, D.C. in June is currently the most expensive (average of $387). 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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Rockville

Woodbridge

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Silver Spring

Falls Church

Laurel

Easton

Herndon

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Oxon Hill

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Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Harlingen to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$290	Average$626	FlexibilityNo cancel fee	On-time69%

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$268+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harlingen to Washington, D.C. with Cheapflights

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Cheap flight deals from Harlingen to Washington, D.C.

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Round-trip from

Popular in

Cheapest in

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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 March 25, 2025.

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 March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to Washington, D.C. that are best for you.

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 March.

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.

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.?

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

Find hourly flight availability from Harlingen to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Southwest, Delta and United Airlines from Harlingen to Washington, D.C. have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.?

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

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

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

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

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

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

Traveling to a place near Harlingen?

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Alternative routes for Harlingen to Washington, D.C.

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Top airline flying from Harlingen to Washington, D.C.

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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 March 25, 2025.