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$170 Cheap Flights from Washington (DCA) to Harlingen (HRL)

View $170 flight on Wed, Apr 14, 2027Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Valley Intl. Airport (HRL)

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Cheap Flights from Washington to Harlingen (DCA-HRL)

Prices were available within the past 7 days and start at $170 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$339 Roundtrip, found 5 hours ago
$339
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $339 found 5 hours ago
Southwest Airlines
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$344 Roundtrip, found 5 hours ago
$344
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $344 found 5 hours ago
Southwest Airlines
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$349 Roundtrip, found 5 hours ago
$349
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $349 found 5 hours ago
Southwest Airlines
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$349 Roundtrip, found 5 hours ago
$349
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $349 found 5 hours ago
Southwest Airlines
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$354 Roundtrip, found 5 hours ago
$354
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $354 found 5 hours ago
United
Sat, Oct 3 - Mon, Oct 5
DCA
Washington
HRL
Harlingen
$357 Roundtrip, found 5 days ago
$357
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 3 from Washington to Harlingen, returning Mon, Oct 5, priced at $357 found 5 days ago
United
Tue, Nov 10 - Sun, Nov 15
DCA
Washington
HRL
Harlingen
$358 Roundtrip, found 5 days ago
$358
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 10 from Washington to Harlingen, returning Sun, Nov 15, priced at $358 found 5 days ago
Southwest Airlines
Wed, Oct 28 - Sat, Oct 31
DCA
Washington
HRL
Harlingen
$359 Roundtrip, found 5 hours ago
$359
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Washington to Harlingen, returning Sat, Oct 31, priced at $359 found 5 hours ago
American Airlines
Sun, Oct 4 - Tue, Oct 13
DCA
Washington
HRL
Harlingen
$375 Roundtrip, found 16 hours ago
$375
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Oct 4 from Washington to Harlingen, returning Tue, Oct 13, priced at $375 found 16 hours ago
Delta
Thu, Oct 29 - Fri, Oct 30
DCA
Washington
HRL
Harlingen
$418 Roundtrip, found 5 hours ago
$418
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Oct 29 from Washington to Harlingen, returning Fri, Oct 30, priced at $418 found 5 hours ago

What you need to know for your flight from Ronald Reagan Washington National to Valley Intl.

Washington (DCA) to Harlingen (HRL) at a glance

Travel from Washington (DCA) to Harlingen (HRL) with a selection of airlines providing convenient routes on this domestic short-haul journey. You can choose between full-service and low-cost carriers, allowing you to find the best itinerary that suits your budget and schedule as you plan to explore Harlingen's iconic attractions and neighborhoods. Discover essential information about flights from Ronald Reagan Washington National Airport (DCA) to Valley International Airport (HRL) to make your travel arrangements easier.

  • Fastest flight duration: around 5 hours in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 1,500 miles (2,410 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $120–$360, depending on seasonality and how far ahead you book

Flights from Ronald Reagan Washington National Airport (DCA) to Valley International Airport (HRL)

Based on recent traveler bookings, here are the top airlines favored for one-stop flights from Washington to Harlingen. Common layovers include George Bush Intercontinental Airport, IAH (approximately 1 hour), Dallas-Fort Worth International Airport, DFW (around 1 hour and 15 minutes), and William P. Hobby Airport, HOU (about 55 minutes). These options offer the flexibility to choose based on price, total travel time, and cabin class, helping you find the ideal travel itinerary.

  • United: This full-service airline provides a comprehensive one-stop travel experience, with one-way ticket prices typically falling between $120 and $405. United operates about 41% of the flights on this route, offering an in-flight duration of 5 hours and a total travel time of around 6 hours and 15 minutes, including layover time.
  • American Airlines: As another full-service carrier, American Airlines offers one-stop service, with one-way fares generally ranging from $120 to $350. It accounts for approximately 39% of departures on this route, featuring an in-flight time of 5 hours and a total journey duration of roughly 6 hours and 15 minutes, including any layovers.
  • Southwest Airlines: A low-cost option, Southwest Airlines presents one-stop service with one-way fares typically between $145 and $330. It makes up about 17% of the departures on this route, with an in-flight time of 5 hours and a total travel duration of approximately 6 hours and 15 minutes, including layover periods.
  • Delta: This full-service airline, Delta, offers one-stop service with one-way ticket prices usually from $125 to $235. It represents around 3% of the departures on this route, boasting an in-flight time of 5 hours and a total journey time of about 6 hours and 15 minutes, factoring in layover time.

Alternative routes from Washington (DCA) to Harlingen (HRL)

  • Washington to Harlingen (IAD-HRL): Located about 23 miles from Ronald Reagan Washington National Airport (DCA), Washington Dulles International Airport (IAD) offers a range of one-way economy fares for this route, typically between $110 and $430, influenced by the season and timing of your booking. Flights on this route are usually available as one-stop or multi-stop options, with common layover points at George Bush Intercontinental Airport (IAH) and Dallas-Fort Worth International Airport (DFW). Major airlines operating this route include United and American Airlines.
  • Washington to McAllen (DCA-MFE): Miller International Airport (MFE) is approximately 36 miles from Valley International Airport (HRL). One-way economy tickets for this route generally fall within the $125 to $470 range, varying based on the season and how far in advance you book. This route typically features both one-stop and multi-stop flights, with frequent layovers at George Bush Intercontinental Airport (IAH) and Dallas-Fort Worth International Airport (DFW). Leading carriers for this route are United and American Airlines, and first-class service is also available.
  • Washington to Brownsville (DCA-BRO): About 26 miles away from Valley International Airport (HRL), Brownsville-South Padre Island International Airport (BRO) offers one-way economy fares typically ranging from $135 to $385, depending on the season and booking timing. This route is usually available as a one-stop option, with common layover locations at George Bush Intercontinental Airport (IAH) and Dallas-Fort Worth International Airport (DFW). The primary airlines serving this route include United and American Airlines, with first-class service options available as well.

How to find the best prices for flights from Washington (DCA) to Harlingen (HRL)

Getting some of the best deals on flights from Washington to Harlingen is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 a.m. and 12 p.m. not only tend to offer lower prices but are also the most popular flight times. Additionally, flying on Friday provides both affordable options and is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Harlingen hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Valley International Airport from Ronald Reagan Washington National Airport

Harlingen welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Ronald Reagan Washington National Airport is roughly a 10-minute drive (covering about 5 miles) from central Washington. Here's how to reach Harlingen efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Harlingen, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Valley International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Valley International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Valley International Airport, Harlingen Seaport, a seaport, is conveniently located just 0.1 miles away by car.

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) cost?
You can find cheap one-way flights from $170 and cheap return flights from $339 Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) with Expedia. One-way flights generally range between $154 and $778, and roundtrip flights usually range from $391 to $1231. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
The cheapest month to fly from DCA to HRL is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
Enter DCA to HRL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Ronald Reagan Washington National (DCA) to Valley Intl. (HRL), with round-trip tickets starting from around $575 with a layover in Love Field (DAL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
The earliest flight from Ronald Reagan Washington National (DCA) to Valley International (HRL) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is available in April and May, allowing you to start your day early and enjoy more time in Harlingen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
The most popular departure times for flights from Ronald Reagan Washington National (DCA) to Harlingen (HRL) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Southwest Airlines, offer flights during this window. This timing works well because it allows you to arrive in Harlingen with plenty of time to enjoy your day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
A flight from DCA to HRL with a layover takes around 6 hours, with the route covering approximately 1,479 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
First class seats are offered on the DCA to HRL route with American Airlines and Delta Air Lines.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Harlingen from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into Valley Intl. (HRL) to reach Harlingen. Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), Love Field (DAL) before reaching Harlingen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Harlingen, TX (HRL-Valley Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Valley Intl.
Airlines serving
American Airlines, Southwest Airlines, United
Roundtrip price
$338
Distance
1478 mi
Average flight time
4 hours 10 mins

Book with confidence

Washington to Harlingen Flights

The cheapest times to fly from Washington to Harlingen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Harlingen are during the month of October. You can find some of the cheapest flights from Washington to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Harlingen

Sunday is one of the best days to book for cheap flights from Washington to Harlingen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Harlingen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Harlingen in 2026. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Harlingen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Harlingen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Harlingen Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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