When did momondo last update prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

Prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport refresh daily.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

As of January 2026, there are 2 operators available to choose from for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport.

How old do you have to be to fly from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$294 Cheap Flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport in 2026

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Find the cheapest flights from Harlingen, Texas to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:22 pm - 11:50 pm

HRL

DCA

5h 28m

1 stop

8:10 am - 4:04 pm

DCA

HRL

8h 54m

1 stop

$294United Airlines

Fri, Feb 20 - Mon, Feb 23

12:10 pm - 8:56 pm

HRL

DCA

7h 46m

1 stop

3:59 pm - 9:59 pm

DCA

HRL

7h 00m

1 stop

$331United Airlines

Tue, Feb 24 - Sat, Feb 28

10:42 am - 7:46 pm

HRL

DCA

8h 04m

1 stop

6:23 am - 2:14 pm

DCA

HRL

8h 51m

2 stops

$361American Airlines

Fri, Feb 20 - Mon, Feb 23

5:22 pm - 11:50 pm

HRL

DCA

5h 28m

1 stop

11:00 am - 4:04 pm

DCA

HRL

6h 04m

1 stop

$372United Airlines

Sat, Feb 28 - Mon, Mar 9

5:22 pm - 11:50 pm

HRL

DCA

5h 28m

1 stop

6:00 am - 11:16 am

DCA

HRL

6h 16m

1 stop

$375United Airlines

Sat, Feb 28 - Fri, Mar 6

5:22 pm - 11:50 pm

HRL

DCA

5h 28m

1 stop

12:32 pm - 7:56 pm

DCA

HRL

8h 24m

1 stop

$381United Airlines

Mon, Mar 2 - Mon, Mar 9

5:22 pm - 11:50 pm

HRL

DCA

5h 28m

1 stop

6:00 am - 11:16 am

DCA

HRL

6h 16m

1 stop

$416United Airlines

Mon, Mar 2 - Sun, Mar 8

6:00 am - 3:44 pm

HRL

DCA

8h 44m

2 stops

6:30 am - 2:14 pm

DCA

HRL

8h 44m

1 stop

$419American Airlines

Sat, Feb 28 - Mon, Mar 9

5:45 am - 4:00 pm

HRL

DCA

9h 15m

2 stops

3:00 pm - 10:15 pm

DCA

HRL

8h 15m

2 stops

$429Southwest

Fri, Feb 20 - Mon, Feb 23

6:46 pm - 9:00 am

HRL

DCA

13h 14m

2 stops

6:09 am - 2:05 pm

DCA

HRL

8h 56m

2 stops

$442American Airlines

Mon, Mar 2 - Tue, Mar 10

United Airlines flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Harlingen, Texas to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Feb 20

HRL5:22 pmHarlingen Valley Intl

5h 28m

1 stop

DCA11:50 pmWashington, D.C. Reagan-National

Feb 23

DCA8:10 amWashington, D.C. Reagan-National

8h 54m

1 stop

HRL4:04 pmHarlingen Valley Intl

$294

United Airlines

Feb 24

HRL12:10 pmHarlingen Valley Intl

7h 46m

1 stop

DCA8:56 pmWashington, D.C. Reagan-National

Feb 28

DCA3:59 pmWashington, D.C. Reagan-National

7h 00m

1 stop

HRL9:59 pmHarlingen Valley Intl

$331

United Airlines

Feb 28

HRL5:22 pmHarlingen Valley Intl

5h 28m

1 stop

DCA11:50 pmWashington, D.C. Reagan-National

Mar 9

DCA11:00 amWashington, D.C. Reagan-National

6h 04m

1 stop

HRL4:04 pmHarlingen Valley Intl

$372

Southwest flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Harlingen, Texas to Washington, D.C. Reagan-National Airport flight tickets

Southwest

Feb 20

HRL5:45 amHarlingen Valley Intl

9h 15m

2 stops

DCA4:00 pmWashington, D.C. Reagan-National

Feb 23

DCA3:00 pmWashington, D.C. Reagan-National

8h 15m

2 stops

HRL10:15 pmHarlingen Valley Intl

$429

Southwest

Mar 1

HRL5:45 amHarlingen Valley Intl

5h 20m

1 stop

DCA12:05 pmWashington, D.C. Reagan-National

Mar 7

DCA4:35 pmWashington, D.C. Reagan-National

8h 20m

1 stop

HRL11:55 pmHarlingen Valley Intl

$449

Southwest

Mar 1

HRL5:45 amHarlingen Valley Intl

5h 20m

1 stop

DCA12:05 pmWashington, D.C. Reagan-National

Mar 8

DCA6:00 amWashington, D.C. Reagan-National

6h 20m

1 stop

HRL11:20 amHarlingen Valley Intl

$504

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 2/20

5:22 pm-11:50 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Mon 2/23

8:10 am-4:04 pm

1 stop8h 54m

$294

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Tue 2/24

12:10 pm-8:56 pm

1 stop7h 46m

Washington, D.C. Reagan-National

Sat 2/28

3:59 pm-9:59 pm

1 stop7h 00m

$331

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 2/20

10:42 am-7:46 pm

1 stop8h 04m

Washington, D.C. Reagan-National

Mon 2/23

6:23 am-2:14 pm

2 stops8h 51m

$361

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 2/28

5:22 pm-11:50 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Mon 3/9

11:00 am-4:04 pm

1 stop6h 04m

$372

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 2/28

5:22 pm-11:50 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Fri 3/6

6:00 am-11:16 am

1 stop6h 16m

$375

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Mon 3/2

5:22 pm-11:50 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Mon 3/9

12:32 pm-7:56 pm

1 stop8h 24m

$381

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Mon 3/2

5:22 pm-11:50 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Sun 3/8

6:00 am-11:16 am

1 stop6h 16m

$416

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 2/28

6:00 am-3:44 pm

2 stops8h 44m

Washington, D.C. Reagan-National

Mon 3/9

6:30 am-2:14 pm

1 stop8h 44m

$419

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 2/20

5:45 am-4:00 pm

2 stops9h 15m

Washington, D.C. Reagan-National

Mon 2/23

3:00 pm-10:15 pm

2 stops8h 15m

$429

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Mon 3/2

6:46 pm-9:00 am

2 stops13h 14m

Washington, D.C. Reagan-National

Tue 3/10

6:09 am-2:05 pm

2 stops8h 56m

$442

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Washington, D.C. Reagan-National Airport?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Harlingen, Texas according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Harlingen, Texas to Washington, D.C. Reagan-National Airport (HRL to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Fastest flight time	5h 28m
Direct flights	None

The fastest flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport takes 5h 28m

There are no direct flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Harlingen, Texas to Washington, D.C. Reagan-National Airport.

Search flight deals

How far is Harlingen Valley Intl to Washington, D.C. Reagan-National by plane?
Harlingen Valley Intl and Washington, D.C. Reagan-National are 1480.9 mi apart from one another. Flights usually cover this in 5h 28m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport refresh daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?
As of January 2026, there are 2 operators available to choose from for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport.
How old do you have to be to fly from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Harlingen, Texas to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Harlingen, Texas and Washington, D.C. Reagan-National Airport, the leading airline is United Airlines, making up 59% of the total bookings. Other popular airlines include Southwest with 41%.

Best airlines flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights
Southwest	PriceFrom $333	Free Cancellation	Rating 8.0 4,267 reviews		Search Southwest flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Tysons

Laurel

Colonial Beach

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Fairfax

Linthicum Heights

Bethesda

Reston

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Harlingen.

Can I find flights from Harlingen to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Harlingen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Harlingen to Washington, D.C.?

Once you have performed a search for Harlingen to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Harlingen to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Harlingen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Harlingen, Texas to Washington, D.C. from $294

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Find the cheapest flights from Harlingen, Texas to Washington, D.C.

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United Airlines flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Harlingen, Texas to Washington, D.C. Reagan-National Airport flight tickets

Southwest flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Harlingen, Texas to Washington, D.C. Reagan-National Airport flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Harlingen, Texas to Washington, D.C. Reagan-National Airport

What airlines fly to Washington, D.C. Reagan-National Airport?

When to book flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Cheap Harlingen, Texas to Washington, D.C. Reagan-National Airport (HRL to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Fastest flight time

Direct flights

How far is Harlingen Valley Intl to Washington, D.C. Reagan-National by plane?

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

How many operators does momondo search for flights from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

How old do you have to be to fly from Harlingen Valley Intl Airport to Washington, D.C. Reagan-National Airport?

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

What is the most popular airline from Harlingen, Texas to Washington, D.C. Reagan-National Airport?

Best airlines flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Washington, D.C.?

Can I find flights from Harlingen to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Harlingen to Washington, D.C.?

I’m not ready to book a flight from Harlingen to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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