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Harlingen

$133+ Cheap flights from District of Columbia 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HRL
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from District of Columbia to Harlingen

Cheapest flights from District of Columbia to Harlingen
Explore the most affordable flight options available from District of Columbia to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amDCA - HRL
1 stop8h 48mAmerican Airlines
Sat 1/1011:06 amHRL - DCA
1 stop7h 38mAmerican Airlines
Deal found 12/16$610
This Southwest deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:45 pmDCA - HRL
2 stops8h 05mSouthwest
Sat 1/106:00 amHRL - DCA
1 stop6h 35mSouthwest
Deal found 12/16$630
This Southwest deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:45 pmDCA - HRL
2 stops10h 10mSouthwest
Sat 1/106:00 amHRL - DCA
1 stop6h 35mSouthwest
Deal found 12/15$650
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:25 pmIAD - HRL
2 stops22h 11mUnited Airlines
Sat 1/109:20 amHRL - IAD
1 stop5h 54mUnited Airlines
Deal found 12/15$772
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 amDCA - HRL
1 stop8h 48mAmerican Airlines
Sun 12/285:34 amHRL - DCA
1 stop5h 38mAmerican Airlines
Deal found 12/16$781
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:59 pmDCA - HRL
1 stop8h 49mAmerican Airlines
Mon 12/2910:12 amHRL - DCA
1 stop7h 32mAmerican Airlines
Deal found 12/16$786
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:15 amIAD - HRL
2 stops12h 21mUnited Airlines
Sat 1/109:20 amHRL - IAD
1 stop5h 54mUnited Airlines
Deal found 12/15$793
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 amIAD - HRL
2 stops14h 29mUnited Airlines
Sat 1/1012:10 pmHRL - IAD
1 stop9h 08mUnited Airlines
Deal found 12/16$801
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:15 amDCA - HRL
1 stop12h 21mUnited Airlines
Sat 1/105:25 pmHRL - DCA
1 stop5h 34mUnited Airlines
Deal found 12/15$814
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:48 pmIAD - HRL
1 stop7h 48mUnited Airlines
Tue 12/305:20 pmHRL - IAD
2 stops13h 01mUnited Airlines
Deal found 12/15$837
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmDCA - HRL
1 stop7h 51mUnited Airlines
Tue 12/305:00 amHRL - DCA
1 stop5h 29mUnited Airlines
Deal found 12/15$839
This Southwest deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:45 pmDCA - HRL
2 stops8h 05mSouthwest
Sat 1/106:00 amHRL - DCA
1 stop6h 35mSouthwest
Deal found 12/15$841

Find flight deals from District of Columbia to Harlingen

Keep the following information in mind while searching for District of Columbia to Harlingen flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$133
(American Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Harlingen Valley Intl flights.
Search Deals
From District of Columbia to Harlingen Valley Intl
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One-way flight from District of Columbia to Harlingen Valley Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from District of Columbia to Harlingen that are best for you.

Fly from

District of Columbia

Fly to

Harlingen

Route

Depart

Return

Price

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 3/6

6:00 am-2:13 pm

1 stop9h 13m

Harlingen Valley Intl

Wed 3/11

2:45 pm-10:53 pm

1 stop7h 08m

$299

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 1/24

6:00 am-11:26 am

1 stop6h 26m

Harlingen Valley Intl

Wed 1/28

7:00 am-1:43 pm

1 stop5h 43m

$331

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 1/24

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Wed 1/28

12:10 pm-8:49 pm

1 stop7h 39m

$331

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 2/28

5:32 pm-10:52 pm

1 stop6h 20m

Harlingen Valley Intl

Mon 3/2

2:43 pm-10:48 pm

1 stop7h 05m

$512

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 12/27

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Tue 12/30

5:00 am-11:29 am

1 stop5h 29m

$839

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 12/27

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Mon 12/29

5:00 am-3:56 pm

1 stop9h 56m

$1,098

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 2/28

5:32 pm-10:52 pm

1 stop6h 20m

$133

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 1/8

5:26 pm-11:21 pm

1 stop6h 55m

$162

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 2/27

6:03 am-11:24 am

1 stop6h 21m

$187

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 12/22

6:05 am-2:18 pm

1 stop9h 13m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Best time to book a flight from District of Columbia to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from District of Columbia 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 District of Columbia to Harlingen

What is the cheapest month to book a flight from District of Columbia to Harlingen, Texas?

Currently, May is the cheapest month in which you can book a flight from District of Columbia to Harlingen, Texas (average of $210). Flying from District of Columbia to Harlingen, Texas in November is currently the most expensive (average of $408). 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 DC to HRL?

Find hourly flight availability from District of Columbia to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from District of Columbia to Harlingen, Texas by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Most people fly into Harlingen Valley Intl (HRL) if they book a flight to Harlingen from District of Columbia. Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

  • How long is the flight from District of Columbia to Harlingen, Texas?

    Airlines like American Airlines and United Airlines fly from District of Columbia to Harlingen, Texas in about 6h 26m. The time it takes to get you to your destination can typically vary by up to 2h 47m. Airlines will cover a distance of 1477 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from District of Columbia to Harlingen that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Harlingen?

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

  • Can I find deals for business class flights from District of Columbia to Harlingen?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Harlingen, Texas?

    Currently, May is the cheapest month in which you can book a flight from District of Columbia to Harlingen, Texas (average of $210). Flying from District of Columbia to Harlingen, Texas in November is currently the most expensive (average of $408). 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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Alternative routes for District of Columbia to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from District of Columbia to Harlingen

Discover the top 2 airlines that operate flights from District of Columbia to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$341FlexibilityNo cancel feeOn-time63%

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