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District of Columbia

$151+ Cheap flights from Harlingen, TX (HRL) to District of Columbia

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Harlingen to District of Columbia

Cheapest flights from Harlingen to District of Columbia
Explore the most affordable flight options available from Harlingen to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/262:45 pm
HRL
-
IAD
1 stop7h 08m
American Airlines
Sun 3/16:00 am
IAD
-
HRL
1 stop9h 14m
American Airlines
Deal found 1/27$291
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/205:22 pm
HRL
-
DCA
1 stop5h 28m
United Airlines
Mon 2/238:10 am
DCA
-
HRL
1 stop8h 54m
United Airlines
Deal found 1/27$294
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 2/2412:10 pm
HRL
-
DCA
1 stop7h 46m
United Airlines
Sat 2/283:59 pm
DCA
-
HRL
1 stop7h 00m
United Airlines
Deal found 1/28$331
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/192:45 pm
HRL
-
IAD
1 stop7h 08m
American Airlines
Sun 2/226:00 am
IAD
-
HRL
1 stop9h 14m
American Airlines
Deal found 1/28$340
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/282:45 pm
HRL
-
IAD
1 stop7h 08m
American Airlines
Mon 3/96:00 am
IAD
-
HRL
1 stop9h 14m
American Airlines
Deal found 1/28$359
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/2010:42 am
HRL
-
DCA
1 stop8h 04m
American Airlines
Mon 2/236:23 am
DCA
-
HRL
2 stops8h 51m
American Airlines
Deal found 1/27$361
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/285:22 pm
HRL
-
DCA
1 stop5h 28m
United Airlines
Sat 3/78:00 am
DCA
-
HRL
1 stop9h 04m
United Airlines
Deal found 1/28$372
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/106:02 am
HRL
-
IAD
2 stops10h 14m
American Airlines
Wed 2/185:37 pm
IAD
-
HRL
1 stop6h 26m
American Airlines
Deal found 1/26$374
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/285:22 pm
HRL
-
DCA
1 stop5h 28m
United Airlines
Fri 3/66:00 am
DCA
-
HRL
1 stop6h 16m
United Airlines
Deal found 1/28$375
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 3/25:22 pm
HRL
-
DCA
1 stop5h 28m
United Airlines
Tue 3/102:45 pm
DCA
-
HRL
1 stop6h 11m
United Airlines
Deal found 1/27$381
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/32:36 pm
HRL
-
IAD
1 stop7h 17m
American Airlines
Mon 3/96:00 am
IAD
-
HRL
1 stop9h 14m
American Airlines
Deal found 1/27$384
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/282:45 pm
HRL
-
IAD
1 stop7h 08m
American Airlines
Sun 3/86:00 am
IAD
-
HRL
1 stop9h 14m
American Airlines
Deal found 1/28$394

Find flight deals from Harlingen to District of Columbia

Keep the following information in mind while searching for Harlingen to District of Columbia flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(American Airlines)

One-way from

$151
(American Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Washington, D.C. (WAS) flights.
Search Deals
From Harlingen Valley Intl to District of Columbia
Search Deals
One-way flight from Harlingen Valley Intl to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to District of Columbia 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 January 29, 2026.
Use the filters below to find and compare flights from Harlingen to District of Columbia that are best for you.

Fly from

Harlingen

Fly to

District of Columbia

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Thu 2/26

2:45 pm-10:53 pm

1 stop7h 08m

Washington, D.C. Dulles Intl

Sun 3/1

6:00 am-2:14 pm

1 stop9h 14m

$291

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 - IAD

HRLIAD

Harlingen Valley Intl

Thu 2/19

2:45 pm-10:53 pm

1 stop7h 08m

Washington, D.C. Dulles Intl

Sun 2/22

6:00 am-2:14 pm

1 stop9h 14m

$340

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

Sat 3/7

8:00 am-4:04 pm

1 stop9h 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

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

Thu 3/5

2:45 pm-7:56 pm

1 stop6h 11m

$372

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Tue 2/10

6:02 am-5:16 pm

2 stops10h 14m

Washington, D.C. Dulles Intl

Wed 2/18

5:37 pm-11:03 pm

1 stop6h 26m

$374

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

Sat 2/28

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

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2

Best time to book a flight from Harlingen to District of Columbia

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

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

Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to District of Columbia (average of $158). Flying from Harlingen, Texas to District of Columbia in June is currently the most expensive (average of $387). 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.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated January 29, 2026.
See what other customers who have flown with Southwest and United Airlines from Harlingen to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Harlingen to District of Columbia. 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 from for flights from Harlingen to District of Columbia?

    Located just 3.7 mi from the city center, Harlingen Valley Intl (HRL) is the airport most travelers will use when flying to District of Columbia from Harlingen.

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

    Departing from Harlingen, Texas to District of Columbia will take you 5h 28m. Harlingen, Texas and District of Columbia are separated by a distance of 1477 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to District of Columbia (average of $158). Flying from Harlingen, Texas to District of Columbia in June is currently the most expensive (average of $387). 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 Harlingen to District of Columbia

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Top 2 airlines flying from Harlingen to District of Columbia

Discover the top 2 airlines that operate flights from Harlingen to District of Columbia. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$155Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$250Average$398FlexibilityNo cancel feeOn-time69%

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