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

American Airlines, United Airlines, and Southwest can get you from Harlingen, Texas to Washington, D.C. in just under 5h 30m. Your travel time can differ by up to 4h 44m. 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.

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.

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).

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. Dulles Intl, Harlingen Valley Intl - Baltimore/Washington or Harlingen Valley Intl - Washington, D.C. Reagan-National as they are the most popular.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Harlingen, Texas to Washington, D.C. as you normally would.

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.

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.

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.

$256+ Flights from Harlingen, TX to Washington, D.C.

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Cheap 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 December 18, 2025.

Wed 12/315:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Sun 1/46:00 amDCA - HRL

1 stop8h 26mUnited Airlines

Deal found 12/15

$494

Wed 12/315:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Sun 1/46:08 amIAD - HRL

1 stop8h 18mUnited Airlines

Deal found 12/15

$514

Wed 12/317:00 amHRL - BWI

1 stop8h 18mUnited Airlines

Sun 1/46:00 amBWI - HRL

1 stop8h 26mUnited Airlines

Deal found 12/15

$569

Tue 12/307:00 amHRL - BWI

1 stop8h 18mUnited Airlines

Sat 1/36:00 amBWI - HRL

1 stop6h 13mUnited Airlines

Deal found 12/15

$589

Tue 12/165:36 amHRL - BWI

1 stop7h 52mAmerican Airlines

Mon 12/226:00 amBWI - HRL

1 stop9h 18mAmerican Airlines

Deal found 12/15

$590

Sat 12/205:34 amHRL - DCA

1 stop7h 42mAmerican Airlines

Mon 12/227:43 amDCA - HRL

1 stop7h 35mAmerican Airlines

Deal found 12/15

$665

Tue 12/166:40 amHRL - BWI

2 stops8h 15mSouthwest

Mon 12/223:15 pmBWI - HRL

2 stops8h 35mSouthwest

Deal found 12/15

$729

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 December 18, 2025.

Tue 2/106:02 amHRL - IAD

2 stops10h 14mAmerican Airlines

Wed 2/185:32 pmIAD - HRL

1 stop6h 20mAmerican Airlines

Deal found 12/15

$256

Thu 5/149:20 amHRL - BWI

1 stop6h 05mUnited Airlines

Thu 5/2112:25 pmBWI - HRL

1 stop8h 04mUnited Airlines

Deal found 12/16

$327

Mon 2/95:40 amHRL - DCA

2 stops8h 05mSouthwest

Thu 2/1210:40 amDCA - HRL

1 stop7h 45mSouthwest

Deal found 12/17

$395

Tue 2/106:02 amHRL - BWI

2 stops10h 50mAmerican Airlines

Wed 2/186:43 amBWI - HRL

2 stops12h 33mAmerican Airlines

Deal found 12/14

$276

Sat 2/145:20 pmHRL - DCA

1 stop5h 30mUnited Airlines

Wed 2/1812:47 pmDCA - HRL

1 stop8h 11mUnited Airlines

Deal found 12/15

$331

Sat 2/1412:10 pmHRL - IAD

1 stop7h 33mUnited Airlines

Wed 2/1812:50 pmIAD - HRL

1 stop8h 08mUnited Airlines

Deal found 12/16

$331

Sat 2/147:00 amHRL - BWI

2 stops13h 17mUnited Airlines

Wed 2/1812:37 pmBWI - HRL

1 stop8h 21mUnited Airlines

Deal found 12/14

$346

Thu 5/145:18 pmHRL - IAD

1 stop5h 41mUnited Airlines

Thu 5/218:25 amIAD - HRL

1 stop8h 09mUnited Airlines

Deal found 12/16

$489

Wed 12/315:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Sun 1/46:00 amDCA - HRL

1 stop8h 26mUnited Airlines

Deal found 12/15

$494

Wed 12/315:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Sun 1/46:08 amIAD - HRL

1 stop8h 18mUnited Airlines

Deal found 12/15

$514

Tue 1/67:00 amHRL - DCA

2 stops12h 59mUnited Airlines

Wed 1/74:28 pmDCA - HRL

1 stop6h 31mUnited Airlines

Deal found 12/17

$1,026

Last-minute flights from Harlingen to Washington, D.C.
Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated December 18, 2025 and is based on user searches.

Sat 12/205:34 amHRL - DCA

1 stop7h 42mAmerican Airlines

Mon 12/227:43 amDCA - HRL

1 stop7h 35mAmerican Airlines

Deal found 12/15

$665

Tue 12/307:00 amHRL - BWI

1 stop8h 18mUnited Airlines

Sat 1/36:00 amBWI - HRL

1 stop6h 13mUnited Airlines

Deal found 12/15

$589

Wed 12/315:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Sun 1/46:00 amDCA - HRL

1 stop8h 26mUnited Airlines

Deal found 12/15

$494

Wed 12/315:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Sun 1/46:08 amIAD - HRL

1 stop8h 18mUnited Airlines

Deal found 12/15

$514

Wed 12/317:00 amHRL - BWI

1 stop8h 18mUnited Airlines

Sun 1/46:00 amBWI - HRL

1 stop8h 26mUnited Airlines

Deal found 12/15

$569

Tue 1/65:25 pmHRL - DCA

1 stop5h 34mUnited Airlines

Wed 1/76:00 amDCA - HRL

1 stop6h 26mUnited Airlines

Deal found 12/17

$405

Tue 1/612:10 pmHRL - IAD

1 stop7h 39mUnited Airlines

Wed 1/76:03 amIAD - HRL

1 stop6h 23mUnited Airlines

Deal found 12/17

$564

Tue 1/67:00 amHRL - BWI

1 stop8h 06mUnited Airlines

Wed 1/73:52 pmBWI - HRL

1 stop7h 07mUnited Airlines

Deal found 12/17

$805

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 December 18, 2025.

Fri 1/25:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Deal found 12/16

$419

Fri 1/210:12 amHRL - IAD

1 stop5h 53mAmerican Airlines

Deal found 12/16

$532

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$256 (American Airlines)

Provider with most accurate pricing for Harlingen Valley Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Harlingen Valley Intl-Washington, D.C. (WAS) flights.

Search Deals

From Harlingen Valley Intl to Washington, D.C. (WAS)

Search Deals

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 - IAD

HRLIAD

Harlingen Valley Intl

Tue 2/10

6:02 am-5:16 pm

2 stops10h 14m

Washington, D.C. Dulles Intl

Wed 2/18

5:32 pm-10:52 pm

1 stop6h 20m

$256

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 2/10

6:02 am-5:52 pm

2 stops10h 50m

Baltimore/Washington

Wed 2/18

6:43 am-6:16 pm

2 stops12h 33m

$276

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 5/14

9:20 am-4:25 pm

1 stop6h 05m

Baltimore/Washington

Thu 5/21

12:25 pm-7:29 pm

1 stop8h 04m

$327

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 2/14

5:20 pm-11:50 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Wed 2/18

12:47 pm-7:58 pm

1 stop8h 11m

$331

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 2/14

12:10 pm-8:43 pm

1 stop7h 33m

Washington, D.C. Dulles Intl

Wed 2/18

12:50 pm-7:58 pm

1 stop8h 08m

$331

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 2/14

7:00 am-9:17 pm

2 stops13h 17m

Baltimore/Washington

Wed 2/18

12:37 pm-7:58 pm

1 stop8h 21m

$346

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Mon 2/9

5:40 am-2:45 pm

2 stops8h 05m

Washington, D.C. Reagan-National

Thu 2/12

10:40 am-5:25 pm

1 stop7h 45m

$395

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Thu 5/14

5:18 pm-11:59 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Thu 5/21

8:25 am-3:34 pm

1 stop8h 09m

$489

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 12/31

5:00 am-11:29 am

1 stop5h 29m

Washington, D.C. Reagan-National

Sun 1/4

6:00 am-1:26 pm

1 stop8h 26m

$494

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 12/31

5:00 am-11:28 am

1 stop5h 28m

Washington, D.C. Dulles Intl

Sun 1/4

6:08 am-1:26 pm

1 stop8h 18m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 13 results

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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 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 December is currently the most expensive (average of $549). 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 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

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.. 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, United Airlines, and Southwest can get you from Harlingen, Texas to Washington, D.C. in just under 5h 30m. Your travel time can differ by up to 4h 44m. 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. Dulles Intl, Harlingen Valley Intl - Baltimore/Washington or Harlingen Valley Intl - Washington, D.C. Reagan-National 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 December is currently the most expensive (average of $549). 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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Top 2 airlines flying from Harlingen to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$155	Average$417	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$270	Average$398	FlexibilityNo cancel fee	On-time69%

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$256+ 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 2/10. 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.

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 December 18, 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 December 18, 2025.

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

Most accurate provider

Most trusted provider

Round-trip from

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 December.

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.?

Reviews of airlines servicing Washington, D.C.

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.

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.?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Harlingen to Washington, D.C.

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Top 2 airlines 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 December 18, 2025.