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

American Airlines, United 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. American Airlines is the first choice among our users, with 46% 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 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 November 2025, 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.

$267 Cheap Flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

3:00 pm - 11:33 pmHRL-DCA

7h 33m1 stop

7:40 am - 2:29 pmDCA-HRL

7h 49m1 stop

$299Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

3:00 pm - 11:33 pmHRL-DCA

7h 33m1 stop

6:10 am - 2:29 pmDCA-HRL

9h 19m1 stop

$329Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

3:39 pm - 11:31 pmHRL-DCA

6h 52m1 stop

6:10 am - 2:43 pmDCA-HRL

9h 33m1 stop

$339Delta

Find Deal

Fri, Nov 14 - Thu, Nov 20

3:39 pm - 11:31 pmHRL-DCA

6h 52m1 stop

6:06 am - 2:43 pmDCA-HRL

9h 37m2 stops

$344Delta

Find Deal

Fri, Nov 14 - Sat, Nov 15

10:21 am - 7:00 pmHRL-DCA

7h 39m2 stops

10:15 am - 6:10 pmDCA-HRL

8h 55m2 stops

$349American Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

4:02 pm - 11:00 pmHRL-DCA

5h 58m1 stop

10:15 am - 6:10 pmDCA-HRL

8h 55m2 stops

$424American Airlines

Find Deal

Fri, Nov 14 - Wed, Nov 19

5:00 am - 11:29 amHRL-DCA

5h 29m1 stop

6:00 am - 10:59 amDCA-HRL

5h 59m1 stop

$484United Airlines

Find Deal

Wed, Nov 12 - Fri, Nov 21

5:00 am - 11:29 amHRL-DCA

5h 29m1 stop

4:34 pm - 9:54 pmDCA-HRL

6h 20m1 stop

$583United Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 30

5:45 am - 2:15 pmHRL-DCA

7h 30m2 stops

7:20 pm - 11:55 pmDCA-HRL

5h 35m1 stop

$657Southwest

Find Deal

Fri, Nov 21 - Sun, Nov 30

5:45 am - 1:05 pmHRL-DCA

6h 20m2 stops

4:15 pm - 11:55 pmDCA-HRL

8h 40m2 stops

$689Southwest

Find Deal

Fri, Nov 21 - Sun, Nov 30

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

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

Delta

Mar 10

HRL3:00 pmHarlingen Valley Intl

7h 33m

1 stop

DCA11:33 pmWashington, D.C. Reagan-National

Mar 11

DCA7:40 amWashington, D.C. Reagan-National

7h 49m

1 stop

HRL2:29 pmHarlingen Valley Intl

$299

Find similar

Delta

Mar 10

HRL3:00 pmHarlingen Valley Intl

7h 33m

1 stop

DCA11:33 pmWashington, D.C. Reagan-National

Mar 11

DCA6:10 amWashington, D.C. Reagan-National

9h 19m

1 stop

HRL2:29 pmHarlingen Valley Intl

$329

Find similar

Delta

Nov 14

HRL3:39 pmHarlingen Valley Intl

6h 52m

1 stop

DCA11:31 pmWashington, D.C. Reagan-National

Nov 20

DCA6:10 amWashington, D.C. Reagan-National

9h 33m

1 stop

HRL2:43 pmHarlingen Valley Intl

$339

Find similar

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

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

American Airlines

Nov 15

HRL10:21 amHarlingen Valley Intl

7h 39m

2 stops

DCA7:00 pmWashington, D.C. Reagan-National

Nov 19

DCA10:15 amWashington, D.C. Reagan-National

8h 55m

2 stops

HRL6:10 pmHarlingen Valley Intl

$349

Find similar

American Airlines

Nov 14

HRL4:02 pmHarlingen Valley Intl

5h 58m

1 stop

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

Nov 19

DCA10:15 amWashington, D.C. Reagan-National

8h 55m

2 stops

HRL6:10 pmHarlingen Valley Intl

$424

Find similar

American Airlines

Mar 10

HRL10:04 amHarlingen Valley Intl

10h 03m

2 stops

DCA9:07 pmWashington, D.C. Reagan-National

Mar 11

DCA8:30 amWashington, D.C. Reagan-National

10h 50m

2 stops

HRL6:20 pmHarlingen Valley Intl

$447

Find similar

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

Tue 3/10

3:00 pm-11:33 pm

1 stop7h 33m

Washington, D.C. Reagan-National

Wed 3/11

7:40 am-2:29 pm

1 stop7h 49m

$299

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Tue 3/10

3:00 pm-11:33 pm

1 stop7h 33m

Washington, D.C. Reagan-National

Wed 3/11

6:10 am-2:29 pm

1 stop9h 19m

$329

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/14

3:39 pm-11:31 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Thu 11/20

6:10 am-2:43 pm

1 stop9h 33m

$339

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/14

3:39 pm-11:31 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Sat 11/15

6:06 am-2:43 pm

2 stops9h 37m

$344

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 11/15

10:21 am-7:00 pm

2 stops7h 39m

Washington, D.C. Reagan-National

Wed 11/19

10:15 am-6:10 pm

2 stops8h 55m

$349

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/14

4:02 pm-11:00 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Wed 11/19

10:15 am-6:10 pm

2 stops8h 55m

$424

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 11/12

5:00 am-11:29 am

1 stop5h 29m

Washington, D.C. Reagan-National

Fri 11/21

6:00 am-10:59 am

1 stop5h 59m

$484

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/21

5:00 am-11:29 am

1 stop5h 29m

Washington, D.C. Reagan-National

Sun 11/30

4:34 pm-9:54 pm

1 stop6h 20m

$583

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/21

5:45 am-2:15 pm

2 stops7h 30m

Washington, D.C. Reagan-National

Sun 11/30

7:20 pm-11:55 pm

1 stop5h 35m

$657

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 11/21

5:45 am-1:05 pm

2 stops6h 20m

Washington, D.C. Reagan-National

Sun 11/30

4:15 pm-11:55 pm

2 stops8h 40m

$689

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

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Harlingen, Texas to Washington, D.C. Reagan-National Airport is on a Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $367. Flights from Harlingen, Texas to Washington, D.C. Reagan-National Airport on a Wednesday will generally be more expensive and average around $388. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Direct flights	None

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 29m, 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 November 2025, 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 Southwest, making up 52% of the total bookings. Other popular airlines include United Airlines with 48%.

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 $270	Free Cancellation	Rating 7.4 8,997 reviews		Search United Airlines flights
Southwest	PriceFrom $333	Free Cancellation	Rating 8.0 4,238 reviews		Search Southwest flights

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Manassas

Reston

Gaithersburg

Fairfax

Glen Burnie

Springfield

Linthicum Heights

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 12/2

Tue 12/9

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

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

Cheap flights from Harlingen, Texas to Washington, D.C. from $299

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

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

Our best American Airlines 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

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 is the cheapest day to depart on your flight 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

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.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo