How long does it take to fly to Harlingen, Texas?

On average, it takes 6h 09m to fly from Washington, D.C. to Harlingen, Texas if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into McAllen (the most popular airport in Harlingen, Texas). If you’re flying out of Washington, D.C. and into McAllen, then the flight time is around 6h 55m.

What airlines fly to Harlingen, Texas?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Harlingen, Texas from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 3 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Harlingen Valley Intl?

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Washington, D.C. to Harlingen Valley Intl

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

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

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

The number of operators available for flights from Washington, D.C. to Harlingen Valley Intl Airport is 1 as of March 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The required travel and health documents for your Harlingen Valley Intl 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 Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$129 Cheap Flights from Washington, D.C. to Harlingen in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 pm - 11:50 pm

BWI

HRL

6h 55m

2 stops

4:40 pm - 11:00 pm

HRL

BWI

5h 20m

1 stop

$242Southwest

Sun, May 31 - Wed, Jun 3

5:55 pm - 11:50 pm

BWI

HRL

6h 55m

2 stops

7:10 am - 5:15 pm

HRL

BWI

9h 05m

2 stops

$247Southwest

Sun, May 31 - Wed, Jun 3

8:30 am - 4:04 pm

DCA

HRL

8h 34m

1 stop

7:00 am - 3:59 pm

HRL

DCA

7h 59m

1 stop

$271United Airlines

Wed, May 6 - Sat, May 9

6:00 am - 11:23 am

IAD

HRL

6h 23m

1 stop

5:18 pm - 11:59 pm

HRL

IAD

5h 41m

1 stop

$276United Airlines

Thu, Apr 30 - Sat, May 2

6:00 am - 12:10 pm

DCA

HRL

7h 10m

1 stop

7:00 am - 5:35 pm

HRL

DCA

9h 35m

2 stops

$276Southwest

Wed, May 6 - Sat, May 9

6:08 am - 3:08 pm

BWI

HRL

10h 00m

1 stop

4:02 pm - 11:26 pm

HRL

BWI

6h 24m

1 stop

$277Delta

Mon, Apr 13 - Fri, Apr 17

2:00 pm - 10:00 pm

DCA

HRL

9h 00m

2 stops

7:00 am - 2:45 pm

HRL

DCA

6h 45m

2 stops

$281Southwest

Wed, May 6 - Sat, May 9

6:08 am - 3:05 pm

BWI

HRL

9h 57m

1 stop

4:02 pm - 11:26 pm

HRL

BWI

6h 24m

1 stop

$308Delta

Thu, Apr 30 - Sat, May 2

11:58 am - 7:22 pm

DCA

HRL

8h 24m

1 stop

10:47 am - 7:57 pm

HRL

DCA

8h 10m

1 stop

$355American Airlines

Thu, Apr 30 - Sat, May 2

7:00 am - 2:17 pm

IAD

HRL

8h 17m

1 stop

10:47 am - 11:59 pm

HRL

IAD

12h 12m

2 stops

$358American Airlines

Mon, Apr 13 - Fri, Apr 17

United Airlines flights from Washington, D.C. to Harlingen, Texas

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

United Airlines

May 6

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

8h 34m

1 stop

HRL4:04 pmHarlingen Valley Intl

May 9

HRL7:00 amHarlingen Valley Intl

7h 59m

1 stop

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

$271

United Airlines

Apr 30

IAD6:00 amWashington, D.C. Dulles Intl

6h 23m

1 stop

HRL11:23 amHarlingen Valley Intl

May 2

HRL5:18 pmHarlingen Valley Intl

5h 41m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$276

United Airlines

Mar 17

BWI12:40 pmBaltimore/Washington

8h 16m

1 stop

HRL7:56 pmHarlingen Valley Intl

Mar 24

HRL7:00 amHarlingen Valley Intl

7h 58m

1 stop

BWI3:58 pmBaltimore/Washington

$302

Southwest flights from Washington, D.C. to Harlingen, Texas

Our best Southwest deals on Washington, D.C. to Harlingen, Texas flight tickets

Southwest

May 31

BWI5:55 pmBaltimore/Washington

6h 55m

2 stops

HRL11:50 pmHarlingen Valley Intl

Jun 3

HRL4:40 pmHarlingen Valley Intl

5h 20m

1 stop

BWI11:00 pmBaltimore/Washington

$242

Southwest

May 31

BWI5:55 pmBaltimore/Washington

6h 55m

2 stops

HRL11:50 pmHarlingen Valley Intl

Jun 3

HRL7:10 amHarlingen Valley Intl

9h 05m

2 stops

BWI5:15 pmBaltimore/Washington

$247

Southwest

May 6

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

7h 10m

1 stop

HRL12:10 pmHarlingen Valley Intl

May 9

HRL7:00 amHarlingen Valley Intl

9h 35m

2 stops

DCA5:35 pmWashington, D.C. Reagan-National

$276

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sun 5/31

5:55 pm-11:50 pm

2 stops6h 55m

Harlingen Valley Intl

Wed 6/3

4:40 pm-11:00 pm

1 stop5h 20m

$242

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sun 5/31

5:55 pm-11:50 pm

2 stops6h 55m

Harlingen Valley Intl

Wed 6/3

7:10 am-5:15 pm

2 stops9h 05m

$247

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 5/6

8:30 am-4:04 pm

1 stop8h 34m

Harlingen Valley Intl

Sat 5/9

7:00 am-3:59 pm

1 stop7h 59m

$271

Quickest round-trip

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-11:23 am

1 stop6h 23m

Harlingen Valley Intl

Sat 5/2

5:18 pm-11:59 pm

1 stop5h 41m

$276

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 5/6

6:00 am-12:10 pm

1 stop7h 10m

Harlingen Valley Intl

Sat 5/9

7:00 am-5:35 pm

2 stops9h 35m

$276

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 4/13

6:08 am-3:08 pm

1 stop10h 00m

Harlingen Valley Intl

Fri 4/17

4:02 pm-11:26 pm

1 stop6h 24m

$277

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 5/6

2:00 pm-10:00 pm

2 stops9h 00m

Harlingen Valley Intl

Sat 5/9

7:00 am-2:45 pm

2 stops6h 45m

$281

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 4/30

6:08 am-3:05 pm

1 stop9h 57m

Harlingen Valley Intl

Sat 5/2

4:02 pm-11:26 pm

1 stop6h 24m

$308

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Thu 4/30

11:58 am-7:22 pm

1 stop8h 24m

Harlingen Valley Intl

Sat 5/2

10:47 am-7:57 pm

1 stop8h 10m

$355

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 4/13

7:00 am-2:17 pm

1 stop8h 17m

Harlingen Valley Intl

Fri 4/17

10:47 am-11:59 pm

2 stops12h 12m

$358

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How to get the cheapest flight ticket from Washington, D.C. to Harlingen, Texas

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Can stopping save me money on Washington, D.C. to Harlingen, Texas flights?

You could potentially save up to 27% on your flight if you consider stops on a Washington, D.C. to Harlingen, Texas flight.

When to book flights from Washington, D.C. to Harlingen, Texas

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

Estimated round-trip price

Cheap Washington, D.C. to Harlingen, Texas (WAS to HRL) flight deals and tips

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

Fastest flight time	5h 46m
Direct flights	None

The fastest flight from Washington, D.C. to Harlingen, Texas takes 5h 46m

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

Search flight deals

How far is Washington, D.C. to Harlingen Valley Intl by plane?
The distance between Washington, D.C. and Harlingen Valley Intl is about 1482.9 mi. By plane, this route typically takes 5h 46m.
When did momondo last update prices for flights from Washington, D.C. to Harlingen Valley Intl Airport?
Prices for flights from Washington, D.C. to Harlingen Valley Intl Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Harlingen Valley Intl Airport?
The number of operators available for flights from Washington, D.C. to Harlingen Valley Intl Airport is 1 as of March 2026.
How old do you have to be to fly from Washington, D.C. to Harlingen Valley Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The required travel and health documents for your Harlingen Valley Intl 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 Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. to Harlingen, Texas

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $228	Free Cancellation	Rating 8.0 4,313 reviews		Search Southwest flights

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

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

Yes. momondo allows you to filter the results for Washington, D.C. to Harlingen flights to just show those with flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Harlingen 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 Washington, D.C. to Harlingen right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Harlingen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Harlingen and let you know when they change.

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Cheap flights from Washington, D.C. to Harlingen from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Harlingen departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Washington, D.C. to Harlingen, Texas

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

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How to get the cheapest flight ticket from Washington, D.C. to Harlingen, Texas

Can stopping save me money on Washington, D.C. to Harlingen, Texas flights?

What is the cheapest airline that flies from Washington, D.C. to Harlingen Valley Intl?

What airlines fly to Harlingen, Texas?

How long does it take to fly to Harlingen, Texas?

When to book flights from Washington, D.C. to Harlingen, Texas

Cheap Washington, D.C. to Harlingen, Texas (WAS to HRL) flight deals and tips

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Best airlines flying from Washington, D.C. to Harlingen, Texas

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Why use momondo?

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