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

For as low as $258, Southwest can have you in Washington, D.C. from Harlingen in 7h. The distance between Harlingen and Washington, D.C. is about 1506 mi. This flight may include one or multiple stops.

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

Our cheapest airline available from Harlingen to Washington, D.C. is United Airlines. Our recent data shows that you can find tickets from as low as $250 on this airline. An additional option worth looking into is Southwest, starting at $328.

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 to Washington, D.C.?

When deciding which route to take from Harlingen to Washington, D.C. consider Harlingen Valley Intl - Washington, D.C. Reagan-National, Harlingen Valley Intl - Washington, D.C. Dulles Intl or Harlingen Valley Intl - Baltimore/Washington 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 to Washington, D.C. as you normally would.

Most accurate provider : When it comes to deals on Harlingen-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-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Harlingen-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-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.

$190+ Cheap Flights from Harlingen to Washington, D.C.

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

Cheapest

Best

Last-minute

One-way

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 October 21, 2026.

Mon 11/234:45 pm -

1 stop6h 55m

Tue 12/14:05 pm -

2 stops6h 45m

Deal found 10/19

$253

Thu 11/265:55 am -

1 stop7h 30m

Mon 11/305:35 pm -

2 stops7h 35m

Deal found 10/19

$329

Thu 11/195:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$359

Thu 12/312:47 pm -

1 stop7h 02m

Mon 1/45:00 am -

1 stop6h 04m

Deal found 10/16

$359

Thu 11/195:05 am -

1 stop5h 42m

Sun 11/224:34 pm -

1 stop7h 14m

Deal found 10/19

$361

Wed 11/255:40 am -

1 stop9h 05m

Tue 12/12:55 pm -

2 stops7h 55m

Deal found 10/19

$364

Fri 11/131:00 pm -

2 stops7h 45m

Tue 11/1711:40 am -

1 stop5h 10m

Deal found 10/17

$364

Fri 11/205:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$367

Wed 11/255:05 am -

1 stop5h 42m

Tue 12/16:05 am -

1 stop6h 09m

Deal found 10/19

$376

Fri 11/131:00 pm -

1 stop8h 05m

Tue 11/176:40 am -

1 stop6h 30m

Deal found 10/17

$379

Fri 11/132:26 pm -

1 stop8h 04m

Tue 11/177:18 am -

1 stop7h 38m

Deal found 10/17

$389

Thu 11/265:55 am -

1 stop5h 05m

Mon 11/304:20 pm -

2 stops8h 50m

Deal found 10/19

$392

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 October 21, 2026.

Mon 11/234:45 pm -

2 stops7h 00m

Tue 12/12:55 pm -

2 stops7h 55m

Deal found 10/19

$258

Tue 1/262:05 pm -

1 stop7h 11m

Wed 1/2712:46 pm -

1 stop8h 01m

Deal found 10/19

$345

Fri 11/132:26 pm -

1 stop7h 27m

Sun 11/156:45 am -

1 stop8h 11m

Deal found 10/21

$415

Thu 11/265:55 am -

2 stops7h 55m

Mon 11/305:35 pm -

2 stops7h 35m

Deal found 10/19

$334

Sat 1/232:06 pm -

1 stop5h 45m

Tue 1/268:25 am -

1 stop8h 28m

Deal found 10/20

$345

Thu 11/195:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$359

Thu 12/314:30 pm -

1 stop5h 30m

Mon 1/43:35 pm -

2 stops9h 00m

Deal found 10/16

$364

Fri 11/205:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$367

Fri 11/131:00 pm -

1 stop8h 05m

Tue 11/176:40 am -

1 stop6h 30m

Deal found 10/17

$379

Fri 11/132:26 pm -

1 stop8h 04m

Sun 11/157:14 am -

1 stop7h 42m

Deal found 10/21

$464

Sat 11/143:50 pm -

1 stop5h 25m

Sat 11/215:55 pm -

2 stops6h 50m

Deal found 10/17

$394

Thu 11/195:25 pm -

1 stop6h 12m

Sun 11/225:54 pm -

1 stop5h 54m

Deal found 10/19

$401

Thu 11/1912:50 pm -

2 stops8h 00m

Sun 11/224:20 pm -

2 stops8h 15m

Deal found 10/19

$409

Wed 11/45:25 pm -

1 stop6h 12m

Sun 11/85:54 pm -

1 stop5h 54m

Deal found 10/19

$413

Wed 11/255:25 pm -

1 stop6h 12m

Tue 12/16:00 am -

1 stop6h 14m

Deal found 10/19

$435

Tue 12/17:25 am -

2 stops13h 30m

Fri 12/46:05 am -

1 stop7h 05m

Deal found 10/16

$439

Thu 11/121:59 pm -

1 stop7h 45m

Sun 11/156:00 am -

1 stop5h 50m

Deal found 10/18

$459

Thu 11/1912:50 pm -

2 stops8h 05m

Sun 11/223:35 pm -

2 stops9h 00m

Deal found 10/19

$488

Wed 11/187:25 am -

1 stop7h 30m

Tue 11/244:20 pm -

2 stops8h 50m

Deal found 10/17

$493

Fri 11/135:25 pm -

1 stop5h 32m

Sun 11/158:15 am -

1 stop8h 46m

Deal found 10/19

$504

Last-minute flights from Harlingen to Washington, D.C.
Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated October 21, 2026 and is based on user searches.

Fri 11/131:00 pm -

2 stops7h 45m

Tue 11/1711:40 am -

1 stop5h 10m

Deal found 10/17

$364

Fri 11/131:00 pm -

1 stop8h 05m

Tue 11/176:40 am -

1 stop6h 30m

Deal found 10/17

$379

Fri 11/132:26 pm -

1 stop8h 04m

Tue 11/177:18 am -

1 stop7h 38m

Deal found 10/17

$389

Thu 11/195:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$359

Thu 11/195:05 am -

1 stop5h 42m

Sun 11/224:34 pm -

1 stop7h 14m

Deal found 10/19

$361

Thu 11/195:25 pm -

1 stop6h 12m

Sun 11/225:54 pm -

1 stop5h 54m

Deal found 10/19

$401

Fri 11/205:05 am -

1 stop5h 31m

Sun 11/224:30 pm -

1 stop7h 18m

Deal found 10/19

$367

Mon 11/234:45 pm -

1 stop6h 55m

Tue 12/14:05 pm -

2 stops6h 45m

Deal found 10/19

$253

Wed 11/255:40 am -

1 stop9h 05m

Tue 12/12:55 pm -

2 stops7h 55m

Deal found 10/19

$364

Wed 11/255:05 am -

1 stop5h 42m

Tue 12/16:05 am -

1 stop6h 09m

Deal found 10/19

$376

Thu 11/265:55 am -

1 stop7h 30m

Mon 11/305:35 pm -

2 stops7h 35m

Deal found 10/19

$329

Thu 11/265:55 am -

1 stop5h 05m

Mon 11/304:20 pm -

2 stops8h 50m

Deal found 10/19

$392

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 October 21, 2026.

Sat 11/141:59 pm -

1 stop7h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/17

$190

Sat 11/145:40 am -

2 stops9h 11m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/17

$199

Sat 11/211:59 pm -

1 stop7h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$212

Fri 11/275:50 am -

1 stop8h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$225

Fri 10/3012:55 pm -

1 stop5h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$270

Sat 11/2112:50 pm -

2 stops7h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$283

Fri 10/305:05 am -

1 stop5h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$305

Sat 11/215:05 am -

1 stop18h 32m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$354

Sat 11/216:46 pm -

2 stops17h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$375

Sat 11/285:35 am -

2 stops8h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$385

Mon 1/45:05 am -

1 stop5h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/18

$483

Sun 11/292:30 pm -

2 stops8h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$525

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$253 (Southwest)
One-way from	$190 (United 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

One-way flight 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

Cheapest round-trip

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Sat 11/14

1:59 pm-10:44 pm

1 stop7h 45m

Baltimore/Washington

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$190

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Sat 11/21

1:59 pm-10:44 pm

1 stop7h 45m

Baltimore/Washington

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$212

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Fri 11/27

5:50 am-3:45 pm

1 stop8h 55m

Baltimore/Washington

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$225

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Mon 11/23

4:45 pm-12:45 am

2 stops7h 00m

Baltimore/Washington

Tue 12/1

2:55 pm-9:50 pm

2 stops7h 55m

$258

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Fri 10/30

12:55 pm-7:45 pm

1 stop5h 50m

Baltimore/Washington

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$270

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Sat 11/21

12:50 pm-9:45 pm

2 stops7h 55m

Baltimore/Washington

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$283

HarlingenWashington, D.C.

HRL Harlingen Valley Intl - IAD Washington, D.C. Dulles Intl

HRLIAD

Harlingen Valley Intl

Fri 10/30

5:05 am-11:28 am

1 stop5h 23m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$305

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

5:55 am-2:50 pm

2 stops7h 55m

Baltimore/Washington

Mon 11/30

5:35 pm-12:10 am

2 stops7h 35m

$334

HarlingenWashington, D.C.

HRL Harlingen Valley Intl - DCA Washington, D.C. Reagan-National

HRLDCA

Harlingen Valley Intl

Tue 1/26

2:05 pm-10:16 pm

1 stop7h 11m

Washington, D.C. Reagan-National

Wed 1/27

12:46 pm-7:47 pm

1 stop8h 01m

$345

HarlingenWashington, D.C.

HRL Harlingen Valley Intl - IAD Washington, D.C. Dulles Intl

HRLIAD

Harlingen Valley Intl

Sat 1/23

2:06 pm-8:51 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Tue 1/26

8:25 am-3:53 pm

1 stop8h 28m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Showing 1-10 of 34 resultsSorted by cheapest first

Most accurate provider: When it comes to deals on Harlingen-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-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Harlingen-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-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.

HRL-WAS

HRL-BWI

HRL-DCA

HRL-IAD

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.

HRL-WAS

HRL-BWI

HRL-DCA

HRL-IAD

No data available for this route at this time. Please check back soon.

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

4,208 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Southwest

7.9

Good

4,208 reviews

Southwest

7.9

Good

4,208 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

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 to Washington, D.C.?
For as low as $258, Southwest can have you in Washington, D.C. from Harlingen in 7h. The distance between Harlingen and Washington, D.C. is about 1506 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Harlingen to Washington, D.C. round-trip?
Our cheapest airline available from Harlingen to Washington, D.C. is United Airlines. Our recent data shows that you can find tickets from as low as $250 on this airline. An additional option worth looking into is Southwest, starting at $328.
What are the most popular routes from Harlingen to Washington, D.C.?
When deciding which route to take from Harlingen to Washington, D.C. consider Harlingen Valley Intl - Washington, D.C. Reagan-National, Harlingen Valley Intl - Washington, D.C. Dulles Intl or Harlingen Valley Intl - Baltimore/Washington 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.

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Top 2 airlines flying from Harlingen to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$242	Average$396	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$250	Average$398	FlexibilityNo cancel fee	On-time69%

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$190+ Cheap flights from Harlingen (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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

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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 October 21, 2026.

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 October 21, 2026.

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 October 21, 2026.

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 October 21, 2026.

Last-minute flights from Harlingen to Washington, D.C.Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated October 21, 2026 and is based on user searches.

Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated October 21, 2026 and is based on user searches.

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 October 21, 2026.

Search for one-way flight options from Harlingen to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.

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

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Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

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

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

What airport do you fly from for flights from Harlingen to Washington, D.C.?

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

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

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

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

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Harlingen and Washington, D.C. flights

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Harlingen to Washington, D.C. flights

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Other flights to Washington, D.C.

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Cheapest flights from Harlingen to Washington, D.C.
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Best flights from Harlingen to Washington, D.C.
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Last-minute flights from Harlingen to Washington, D.C.
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One-way flights from Harlingen to Washington, D.C.
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