In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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

The best pricing can be found in the month of February. Prices to Harlingen, Texas from Washington, D.C. Reagan-National Airport average $431. You can even find prices in February for less than $431, as users have found deals to Harlingen, Texas from as low as $288. The month of July appears to be one of the more expensive times to travel to Harlingen, Texas from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 60%.

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

When flying from Washington, D.C. Reagan-National Airport to Harlingen, Texas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

For a flight from Washington, D.C. Reagan-National to Harlingen, you will be flying into Valley Intl. Harlingen Valley Intl (HRL) is just 3.7 mi from the center of the city. Valley Intl is the only Harlingen airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Harlingen Valley Intl from Washington, D.C. Reagan-National on a regular basis.

Can I find deals for flights from Reagan-National to Harlingen that include hotel bookings?

Yes. In addition to deals on Reagan-National to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Harlingen?

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

Can I find deals for business class flights from Reagan-National to Harlingen?

Yes. Cheapflights offers flight deals from Reagan-National to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$159+ Flights from Washington, D.C. Reagan-National Airport to Harlingen, TX

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Cheap flight deals from Reagan-National to Harlingen

Round-trip from	$293 (Southwest)
One-way from	$159 (American Airlines)
Popular in	July
Cheapest in	February
Average price	$693

From Washington, D.C. Reagan-National to Harlingen Valley Intl

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One-way flight from Washington, D.C. Reagan-National to Harlingen Valley Intl

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Highest demand for flights based on searches. 12% potential increase in price ($60 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Harlingen

Cheapest flights from Reagan-National to Harlingen
Explore the most affordable flight options available from Reagan-National to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 8/168:20 amDCA - HRL

1 stop8h 40mUnited Airlines

Sun 8/245:00 amHRL - DCA

1 stop5h 36mUnited Airlines

Deal found 7/3

$287

Sat 8/163:25 pmDCA - HRL

2 stops8h 19mAmerican Airlines

Sun 8/246:20 pmHRL - DCA

1 stop5h 45mAmerican Airlines

Deal found 7/3

$292

Sat 8/164:20 pmDCA - HRL

1 stop5h 15mSouthwest

Sun 8/246:00 amHRL - DCA

1 stop5h 30mSouthwest

Deal found 7/2

$293

Fri 11/216:00 amDCA - HRL

2 stops9h 26mDelta

Sun 11/303:00 pmHRL - DCA

1 stop7h 31mDelta

Deal found 7/2

$1,924

Best flights from Reagan-National to Harlingen
Discover carefully curated flight deals from Reagan-National to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/164:20 pmDCA - HRL

1 stop5h 15mSouthwest

Sun 8/246:00 amHRL - DCA

1 stop5h 30mSouthwest

Deal found 7/2

$293

Thu 10/212:55 pmDCA - HRL

1 stop7h 46mUnited Airlines

Sun 10/55:00 amHRL - DCA

1 stop5h 34mUnited Airlines

Deal found 6/30

$357

Fri 11/216:00 amDCA - HRL

2 stops9h 26mDelta

Sun 11/303:00 pmHRL - DCA

1 stop7h 31mDelta

Deal found 7/2

$1,924

Last-minute flights from Reagan-National to Harlingen
Discover last-minute flight deals from Reagan-National to Harlingen. Data last updated July 3, 2025 and is based on user searches.

Wed 7/96:25 pmDCA - HRL

1 stop5h 25mSouthwest

Fri 8/1511:55 amHRL - DCA

1 stop5h 15mSouthwest

Deal found 7/1

$364

Sat 8/168:20 amDCA - HRL

1 stop8h 40mUnited Airlines

Sun 8/245:00 amHRL - DCA

1 stop5h 36mUnited Airlines

Deal found 7/3

$287

Sat 8/163:25 pmDCA - HRL

2 stops8h 19mAmerican Airlines

Sun 8/246:20 pmHRL - DCA

1 stop5h 45mAmerican Airlines

Deal found 7/3

$292

Sat 8/164:20 pmDCA - HRL

1 stop5h 15mSouthwest

Sun 8/246:00 amHRL - DCA

1 stop5h 30mSouthwest

Deal found 7/2

$293

One-way flights from Reagan-National to Harlingen
Search for one-way flight options from Reagan-National to Harlingen. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/155:00 amDCA - HRL

1 stop5h 32mAmerican Airlines

Deal found 7/2

$159

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 8/16

8:20 am-4:00 pm

1 stop8h 40m

Harlingen Valley Intl

Sun 8/24

5:00 am-11:36 am

1 stop5h 36m

$287

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 8/16

3:25 pm-10:44 pm

2 stops8h 19m

Harlingen Valley Intl

Sun 8/24

6:20 pm-1:05 am

1 stop5h 45m

$292

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 8/16

4:20 pm-8:35 pm

1 stop5h 15m

Harlingen Valley Intl

Sun 8/24

6:00 am-12:30 pm

1 stop5h 30m

$293

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 11/21

6:00 am-2:26 pm

2 stops9h 26m

Harlingen Valley Intl

Sun 11/30

3:00 pm-11:31 pm

1 stop7h 31m

$1,924

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 8/15

5:00 am-9:32 am

1 stop5h 32m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Reagan-National to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Reagan-National 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 Washington, D.C. Reagan-National Airport to Harlingen

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Reagan-National Airport to Harlingen, Texas in June is currently the most expensive (average of $390). 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 Harlingen

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to Harlingen. 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

4,266 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

4,266 reviews

Southwest

8.0

Very good

4,266 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.

Delta

8.0

Very good

7,982 reviews

Southwest

8.0

Very good

4,266 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

8,861 reviews

Southwest

8.0

Very good

4,266 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

4,266 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 into for flights to Harlingen from Washington, D.C. Reagan-National?
For a flight from Washington, D.C. Reagan-National to Harlingen, you will be flying into Valley Intl. Harlingen Valley Intl (HRL) is just 3.7 mi from the center of the city. Valley Intl is the only Harlingen airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Harlingen Valley Intl from Washington, D.C. Reagan-National on a regular basis.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Harlingen, Texas round-trip?
According to our current data, Southwest ($293), United Airlines ($357), and Delta ($1,924) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Harlingen, Texas.
Can I find deals for flights from Reagan-National to Harlingen that include hotel bookings?
Yes. In addition to deals on Reagan-National to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Harlingen.
Can I find deals for business class flights from Reagan-National to Harlingen?
Yes. Cheapflights offers flight deals from Reagan-National to Harlingen 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 Washington, D.C. Reagan-National Airport to Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Reagan-National Airport to Harlingen, Texas in June is currently the most expensive (average of $390). 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.

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$159+ Cheap flights from Reagan-National (DCA) to Harlingen, TX (HRL)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Harlingen with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Harlingen

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One-way from

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Cheapest in

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Find flight deals from Reagan-National to Harlingen

Cheapest flights from Reagan-National to HarlingenExplore the most affordable flight options available from Reagan-National to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Reagan-National to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Harlingen

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

Reviews of airlines servicing Harlingen

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Harlingen. 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 into for flights to Harlingen from Washington, D.C. Reagan-National?

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

Can I find deals for flights from Reagan-National to Harlingen that include hotel bookings?

How can I find direct flights from Reagan-National to Harlingen?

Can I find deals for business class flights from Reagan-National to Harlingen?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Harlingen

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Cheapest flights from Reagan-National to Harlingen
Explore the most affordable flight options available from Reagan-National to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.