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

Southwest, at $253, 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. Southwest 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 - Baltimore/Washington, Harlingen Valley Intl - Washington, D.C. Dulles Intl or Harlingen Valley Intl - Washington, D.C. Reagan-National 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 February tends to be the cheapest month to fly to Washington, D.C. from Harlingen, Texas. Users have commonly found prices around $347 for the month, but tickets can be as low as $268. Due to multiple factors, prepare for potentially higher prices in January.

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.

$165+ Flights from Harlingen, TX to Washington, D.C.

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

Round-trip from	$253 (Southwest)
One-way from	$165 (Southwest)
Popular in	January
Cheapest in	February
Average price	$298

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

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One-way flight from Harlingen Valley Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Wed 9/37:25 amHRL - DCA

1 stop8h 35mSouthwest

Fri 9/56:55 amDCA - HRL

1 stop7h 05mSouthwest

Deal found 6/11

$253

Fri 6/275:30 pmHRL - BWI

1 stop5h 35mSouthwest

Tue 7/16:15 amBWI - HRL

1 stop6h 10mSouthwest

Deal found 6/11

$277

Wed 9/32:05 pmHRL - IAD

1 stop5h 47mUnited Airlines

Fri 9/511:03 amIAD - HRL

1 stop5h 59mUnited Airlines

Deal found 6/11

$277

Wed 9/32:51 pmHRL - IAD

1 stop6h 58mAmerican Airlines

Fri 9/511:18 amIAD - HRL

2 stops7h 42mAmerican Airlines

Deal found 6/11

$282

Wed 7/95:10 amHRL - DCA

1 stop5h 36mUnited Airlines

Wed 7/164:59 pmDCA - HRL

1 stop5h 51mUnited Airlines

Deal found 6/11

$317

Wed 7/94:27 pmHRL - BWI

1 stop5h 50mAmerican Airlines

Wed 7/167:19 pmBWI - HRL

1 stop5h 47mAmerican Airlines

Deal found 6/11

$358

Wed 7/95:25 amHRL - DCA

2 stops8h 08mAmerican Airlines

Wed 7/165:00 amDCA - HRL

1 stop5h 37mAmerican Airlines

Deal found 6/11

$413

Wed 7/27:10 amHRL - BWI

1 stop8h 08mUnited Airlines

Sat 7/52:54 pmBWI - HRL

1 stop5h 41mUnited Airlines

Deal found 6/10

$418

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 June 12, 2025.

Wed 9/37:25 amHRL - DCA

1 stop8h 35mSouthwest

Fri 9/56:55 amDCA - HRL

1 stop7h 05mSouthwest

Deal found 6/11

$253

Wed 9/32:05 pmHRL - IAD

1 stop5h 47mUnited Airlines

Fri 9/511:03 amIAD - HRL

1 stop5h 59mUnited Airlines

Deal found 6/11

$277

Wed 9/32:51 pmHRL - IAD

1 stop6h 58mAmerican Airlines

Fri 9/511:18 amIAD - HRL

2 stops7h 42mAmerican Airlines

Deal found 6/11

$282

Fri 6/275:30 pmHRL - BWI

1 stop5h 35mSouthwest

Tue 7/16:15 amBWI - HRL

1 stop6h 10mSouthwest

Deal found 6/11

$277

Wed 7/95:10 amHRL - DCA

1 stop5h 36mUnited Airlines

Wed 7/164:59 pmDCA - HRL

1 stop5h 51mUnited Airlines

Deal found 6/11

$317

Wed 7/94:27 pmHRL - BWI

1 stop5h 50mAmerican Airlines

Wed 7/167:19 pmBWI - HRL

1 stop5h 47mAmerican Airlines

Deal found 6/11

$358

Wed 7/95:25 amHRL - DCA

2 stops8h 08mAmerican Airlines

Wed 7/165:00 amDCA - HRL

1 stop5h 37mAmerican Airlines

Deal found 6/11

$413

Wed 7/27:10 amHRL - BWI

1 stop8h 08mUnited Airlines

Sat 7/52:54 pmBWI - HRL

1 stop5h 41mUnited Airlines

Deal found 6/10

$418

Last-minute flights from Harlingen to Washington, D.C.
Discover last-minute flight deals from Harlingen to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Tue 6/176:00 amHRL - BWI

1 stop7h 40mSouthwest

Sat 6/217:50 amBWI - HRL

1 stop7h 05mSouthwest

Deal found 6/11

$434

Wed 6/184:12 pmHRL - BWI

1 stop6h 04mAmerican Airlines

Sun 6/227:12 pmBWI - HRL

1 stop5h 52mAmerican Airlines

Deal found 6/12

$536

Wed 6/189:47 amHRL - DCA

1 stop8h 08mUnited Airlines

Sun 6/228:20 amDCA - HRL

1 stop8h 40mUnited Airlines

Deal found 6/11

$695

Wed 6/184:12 pmHRL - IAD

1 stop5h 27mAmerican Airlines

Sun 6/226:43 pmIAD - HRL

1 stop6h 21mAmerican Airlines

Deal found 6/11

$712

Wed 6/184:12 pmHRL - DCA

1 stop5h 48mAmerican Airlines

Sun 6/225:00 amDCA - HRL

1 stop5h 35mAmerican Airlines

Deal found 6/10

$715

Thu 6/192:07 pmHRL - BWI

1 stop7h 23mUnited Airlines

Sun 6/226:00 amBWI - HRL

1 stop8h 25mUnited Airlines

Deal found 6/12

$521

Sat 6/212:07 pmHRL - IAD

1 stop7h 10mUnited Airlines

Thu 6/266:10 amIAD - HRL

1 stop8h 10mUnited Airlines

Deal found 6/11

$535

Fri 6/275:30 pmHRL - BWI

1 stop5h 35mSouthwest

Tue 7/16:15 amBWI - HRL

1 stop6h 10mSouthwest

Deal found 6/11

$277

Sat 6/281:59 pmHRL - IAD

1 stop7h 30mUnited Airlines

Tue 7/16:10 amIAD - HRL

1 stop8h 10mUnited Airlines

Deal found 6/11

$304

Wed 7/27:10 amHRL - BWI

1 stop8h 08mUnited Airlines

Sat 7/52:54 pmBWI - HRL

1 stop5h 41mUnited Airlines

Deal found 6/10

$418

Wed 7/95:10 amHRL - DCA

1 stop5h 36mUnited Airlines

Wed 7/164:59 pmDCA - HRL

1 stop5h 51mUnited Airlines

Deal found 6/11

$317

Wed 7/94:27 pmHRL - BWI

1 stop5h 50mAmerican Airlines

Wed 7/167:19 pmBWI - HRL

1 stop5h 47mAmerican Airlines

Deal found 6/11

$358

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 June 12, 2025.

Mon 7/75:15 amHRL - BWI

2 stops11h 35mSouthwest

Deal found 6/10

$165

Sun 8/31:59 pmHRL - BWI

1 stop7h 46mUnited Airlines

Deal found 6/12

$174

Sun 8/31:59 pmHRL - DCA

1 stop7h 16mUnited Airlines

Deal found 6/12

$199

Sun 8/35:20 pmHRL - IAD

1 stop5h 38mUnited Airlines

Deal found 6/12

$199

Sun 8/36:00 amHRL - DCA

2 stops9h 00mSouthwest

Deal found 6/12

$239

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

Wed 9/3

7:25 am-5:00 pm

1 stop8h 35m

Washington, D.C. Reagan-National

Fri 9/5

6:55 am-1:00 pm

1 stop7h 05m

$253

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 9/3

2:05 pm-8:52 pm

1 stop5h 47m

Washington, D.C. Dulles Intl

Fri 9/5

11:03 am-4:02 pm

1 stop5h 59m

$277

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 6/27

5:30 pm-12:05 am

1 stop5h 35m

Baltimore/Washington

Tue 7/1

6:15 am-11:25 am

1 stop6h 10m

$277

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 9/3

2:51 pm-10:49 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Fri 9/5

11:18 am-6:00 pm

2 stops7h 42m

$282

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 7/9

5:10 am-11:46 am

1 stop5h 36m

Washington, D.C. Reagan-National

Wed 7/16

4:59 pm-9:50 pm

1 stop5h 51m

$317

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 7/9

4:27 pm-11:17 pm

1 stop5h 50m

Baltimore/Washington

Wed 7/16

7:19 pm-12:06 am

1 stop5h 47m

$358

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 7/9

5:25 am-2:33 pm

2 stops8h 08m

Washington, D.C. Reagan-National

Wed 7/16

5:00 am-9:37 am

1 stop5h 37m

$413

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 7/2

7:10 am-4:18 pm

1 stop8h 08m

Baltimore/Washington

Sat 7/5

2:54 pm-7:35 pm

1 stop5h 41m

$418

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Mon 7/7

5:15 am-5:50 pm

2 stops11h 35m

$165

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sun 8/3

1:59 pm-10:45 pm

1 stop7h 46m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results

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 $241). Flying from Harlingen, Texas to Washington, D.C. in March is currently the most expensive (average of $290). 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, United Airlines and American 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

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.
What are the cheapest airlines flying from Harlingen, Texas to Washington, D.C. round-trip?
Southwest, at $253, 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. Southwest 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 - Baltimore/Washington, Harlingen Valley Intl - Washington, D.C. Dulles Intl 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, August is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. (average of $241). Flying from Harlingen, Texas to Washington, D.C. in March is currently the most expensive (average of $290). 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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Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

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Herndon

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Reston

National Harbor

Springfield

Manassas

Dundalk

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$306	Average$517	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$333	Average$418	FlexibilityNo cancel fee	On-time63%

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$165+ Cheap flights from Harlingen, TX (HRL) to Washington, D.C. (WAS)

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 7/7. 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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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 June 12, 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 June 12, 2025.

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

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 June 12, 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.

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 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 June 12, 2025.