Reagan-National

$199+ Cheap flights from Harlingen, TX (HRL) to Reagan-National (DCA)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DCA
jun. 17 — jun. 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harlingen to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Harlingen to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$253
(Southwest)

One-way from

$199
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$527
From Harlingen Valley Intl to Washington, D.C. Reagan-National
One-way flight from Harlingen Valley Intl to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Harlingen to Reagan-National

Cheapest flights from Harlingen to Reagan-National
Explore the most affordable flight options available from Harlingen to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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.
mié. 9/37:25 amHRL - DCA
1 stop8h 35mSouthwest
vie. 9/56:55 amDCA - HRL
1 stop7h 05mSouthwest
Deal found 6/11$253
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/95:10 amHRL - DCA
1 stop5h 36mUnited Airlines
mié. 7/164:59 pmDCA - HRL
1 stop5h 51mUnited Airlines
Deal found 6/11$317
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/95:25 amHRL - DCA
2 stops8h 08mAmerican Airlines
mié. 7/165:00 amDCA - HRL
1 stop5h 37mAmerican Airlines
Deal found 6/11$413

Cheapflights Fare Finder

Customize your flight search to find flights from Harlingen to Reagan-National 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 junio 12, 2025.
Use the filters below to find and compare flights from Harlingen to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Harlingen

Fly to

Reagan-National

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mié. 9/3

7:25 am-5:00 pm

1 stop8h 35m

Washington, D.C. Reagan-National

vie. 9/5

6:55 am-1:00 pm

1 stop7h 05m

$253

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mié. 7/9

5:10 am-11:46 am

1 stop5h 36m

Washington, D.C. Reagan-National

mié. 7/16

4:59 pm-9:50 pm

1 stop5h 51m

$317

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

mié. 7/9

5:25 am-2:33 pm

2 stops8h 08m

Washington, D.C. Reagan-National

mié. 7/16

5:00 am-9:37 am

1 stop5h 37m

$413

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

lun. 7/7

12:05 pm-8:30 pm

1 stop7h 25m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Harlingen to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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 Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport (average of $278). Flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Southwest, United Airlines and American Airlines from Harlingen to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Reagan-National. 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 Washington, D.C. Reagan-National?

    Most people fly from Harlingen Valley Intl (HRL) if they book a flight from Harlingen to Washington, D.C. Reagan-National. On average, Valley Intl has 0 outbound flights to Washington, D.C. Reagan-National per day from 1 airline. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

  • What are the cheapest airlines flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, Southwest ($253), United Airlines ($317), and American Airlines ($413) offers the cheapest pricing from Harlingen, Texas to Washington, D.C. Reagan-National Airport. You may be able to fly from Harlingen, Texas to Washington, D.C. Reagan-National Airport for 38% less than the average price by searching for these airlines.

  • Can I find deals for flights from Harlingen to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Harlingen to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Reagan-National?

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

  • Can I find deals for business class flights from Harlingen to Reagan-National?

    Yes. Cheapflights offers flight deals from Harlingen to Reagan-National 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 Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Harlingen, Texas to Washington, D.C. Reagan-National Airport (average of $278). Flying from Harlingen, Texas to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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

Traveling to a place near Harlingen?

Book flights to Harlingen if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harlingen to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Harlingen to Reagan-National

Discover the top airline that operate flights from Harlingen to Reagan-National. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$333Average$448FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.