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Harlingen

$198+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HRL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$230
(Southwest)

One-way from

$198
(United Airlines)
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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Find 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 September 16, 2025.

This Southwest deal was found by Cheapflights users on 9/15. 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 11/225:35 pmDCA - HRL
1 stop7h 20mSouthwest
Thu 11/277:10 amHRL - DCA
1 stop6h 45mSouthwest
Deal found 9/15$230
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/85:00 amDCA - HRL
1 stop5h 38mAmerican Airlines
Fri 10/176:20 pmHRL - DCA
1 stop5h 39mAmerican Airlines
Deal found 9/14$260
This Southwest deal was found by Cheapflights users on 9/15. 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 11/225:35 pmDCA - HRL
1 stop7h 20mSouthwest
Fri 11/285:45 amHRL - DCA
2 stops6h 20mSouthwest
Deal found 9/15$265
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/226:00 amIAD - HRL
1 stop5h 59mUnited Airlines
Thu 11/2712:10 pmHRL - IAD
1 stop7h 41mUnited Airlines
Deal found 9/15$292
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:30 amDCA - HRL
1 stop7h 35mAmerican Airlines
Sat 10/410:11 amHRL - DCA
1 stop7h 46mAmerican Airlines
Deal found 9/15$319
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:40 pmIAD - HRL
1 stop6h 17mAmerican Airlines
Sat 10/410:11 amHRL - IAD
1 stop5h 36mAmerican Airlines
Deal found 9/15$319
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:18 amIAD - HRL
1 stop9h 25mDelta
Fri 10/173:39 pmHRL - IAD
1 stop7h 01mDelta
Deal found 9/14$345
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:00 amDCA - HRL
1 stop5h 41mAmerican Airlines
Tue 9/302:51 pmHRL - DCA
1 stop7h 09mAmerican Airlines
Deal found 9/15$349
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:34 pmIAD - HRL
2 stops8h 25mAmerican Airlines
Thu 11/2710:13 amHRL - IAD
1 stop5h 29mAmerican Airlines
Deal found 9/15$349
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amDCA - HRL
2 stops9h 43mDelta
Fri 10/173:39 pmHRL - DCA
1 stop6h 46mDelta
Deal found 9/14$353
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:00 amDCA - HRL
1 stop5h 41mAmerican Airlines
Sun 10/55:45 amHRL - DCA
1 stop5h 51mAmerican Airlines
Deal found 9/15$379
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/288:30 amIAD - HRL
1 stop5h 49mUnited Airlines
Tue 9/305:17 pmHRL - IAD
1 stop5h 34mUnited Airlines
Deal found 9/15$398

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 September 16, 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

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 11/22

5:35 pm-11:55 pm

1 stop7h 20m

Harlingen Valley Intl

Thu 11/27

7:10 am-2:55 pm

1 stop6h 45m

$230

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 10/8

5:00 am-9:38 am

1 stop5h 38m

Harlingen Valley Intl

Fri 10/17

6:20 pm-12:59 am

1 stop5h 39m

$260

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 11/22

2:55 pm-11:55 pm

2 stops10h 00m

Harlingen Valley Intl

Fri 11/28

5:45 am-1:05 pm

2 stops6h 20m

$270

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 1/7

6:30 am-11:41 am

1 stop6h 11m

Harlingen Valley Intl

Tue 3/31

4:12 pm-10:15 pm

1 stop5h 03m

$280

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 11/22

6:00 am-10:59 am

1 stop5h 59m

Harlingen Valley Intl

Thu 11/27

12:10 pm-8:51 pm

1 stop7h 41m

$292

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 3/10

6:10 am-2:29 pm

1 stop9h 19m

Harlingen Valley Intl

Wed 3/11

3:00 pm-10:17 pm

1 stop6h 17m

$294

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 9/30

11:30 am-6:05 pm

1 stop7h 35m

Harlingen Valley Intl

Sat 10/4

10:11 am-6:57 pm

1 stop7h 46m

$319

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Tue 9/30

5:40 pm-10:57 pm

1 stop6h 17m

Harlingen Valley Intl

Sat 10/4

10:11 am-4:47 pm

1 stop5h 36m

$319

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 10/8

6:18 am-2:43 pm

1 stop9h 25m

Harlingen Valley Intl

Fri 10/17

3:39 pm-11:40 pm

1 stop7h 01m

$345

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 11/22

4:34 pm-11:59 pm

2 stops8h 25m

Harlingen Valley Intl

Thu 11/27

10:13 am-4:42 pm

1 stop5h 29m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 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, April is the cheapest month in which you can book a flight from District of Columbia to Harlingen, Texas (average of $267). Flying from District of Columbia to Harlingen, Texas in June is currently the most expensive (average of $382). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Harlingen, Texas as you normally would.

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 Southwest, American Airlines, and United Airlines fly from District of Columbia to Harlingen, Texas in about 5h 38m. The time it takes to get you to your destination can typically vary by up to 1h 42m. 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, April is the cheapest month in which you can book a flight from District of Columbia to Harlingen, Texas (average of $267). Flying from District of Columbia to Harlingen, Texas in June is currently the most expensive (average of $382). 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

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$346FlexibilityNo cancel feeOn-time63%

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