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Cheap Flights from Washington D.C. to Harlingen

Compare Washington D.C. to Harlingen flight deals

Find the cheapest month or even day of the year to fly to Harlingen

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Flight deals from Washington D.C. to Harlingen

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Harlingen Airport? If you want to travel next month, return fares start from $468. Find the lowest prices on one-way and return tickets right here.
Harlingen.$468 per passenger.Departing Wed, 10 Jun, returning Sun, 14 Jun.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Wed, 10 Jun, arriving in Harlingen.Inbound indirect flight with United, departs from Harlingen on Sun, 14 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From $468, select.
Harlingen.$523 per passenger.Departing Thu, 25 Jun, returning Wed, 1 Jul.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Thu, 25 Jun, arriving in Harlingen.Inbound indirect flight with United, departs from Harlingen on Wed, 1 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $523, select.
Harlingen.$584 per passenger.Departing Sat, 18 Jul, returning Fri, 24 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Sat, 18 Jul, arriving in Harlingen.Inbound indirect flight with Southwest Airlines, departs from Harlingen on Fri, 24 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $584, select.
Harlingen.$805 per passenger.Departing Tue, 5 Jan, returning Tue, 23 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Tue, 5 Jan, arriving in Harlingen.Inbound indirect flight with Delta, departs from Harlingen on Tue, 23 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $805, select.

Find the cheapest month to fly from Washington D.C. to Harlingen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Harlingen flights are currently cheapest in June.
May
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Jun
from $467
Jul
from $583
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Apr
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Washington D.C. to Harlingen: Alternative routes

Compare routes from Washington D.C. to Harlingen below. You may find an airport to fly into that's cheaper, faster, or easier than Harlingen.

Harlingen

7km from central Harlingen
ClosestCheapest
from $468
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Brownsville

42km from central Harlingen
from $557
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Mcallen

54km from central Harlingen
from $593
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Washington D.C. to Harlingen: Flight information

The things to know before you go.
Cheapest flight found$467
Cheapest month to flyJune

Finding cheap flights from Washington D.C. to Harlingen: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Harlingen is $468. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington D.C. to Harlingen. But we found flights with one stop from $468.
As of May 2026, there are no flights flying from Washington D.C. to Harlingen.
The cheapest month to fly from Washington D.C. to Harlingen is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Harlingen Airport on Wednesday, 10 June 2026.
No airlines currently offer direct flights between Washington D.C. and Harlingen Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harlingen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Harlingen is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Harlingen is United .

Travelling from Washington DC to Harlingen Valley International Airport (HRL): What you need to know

  • The timezone in Harlingen is UTC-6, which is one hour behind Washington DC. Harlingen Valley International Airport is located in Harlingen.

  • Leave plenty of time to make your flight from Washington DC to HRL. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like July? Popular seasons (like Thanksgiving, Christmas and spring break) can add another hour at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • DCA is around 6 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 25 minutes.

  • Planning to catch an early flight from Washington DC to Harlingen Valley International Airport? Avoid rushing to the terminal (and get some bonus sleep) by picking one of these stays close to Ronald Reagan Washington National Airport:

  • When it comes to Ronald Reagan Washington National Airport's on-time performance, data shows 71% of flights complete their journey on time.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • IAD is around 40 kilometres from central Washington DC. It'll take 45 minutes or so to get to the airport if you're driving from the city centre. Public transport takes approximately 1 hour 10 minutes.

  • Want to treat yourself to an extra night away before your Washington DC to HRL flight? Unwind in a hotel near Washington Dulles International Airport before your trip officially starts. These stays have your key waiting:

  • Washington Dulles International Airport has an on-time performance rate of 77%. This figure sheds light on how often flights departing from this airport make it to their destination on time.

  • IAD is located at 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

  • BWI is roughly 48 kilometres from central Washington DC. Driving from the city centre to the terminal takes about 40 minutes. If you're considering public transport, expect a journey of around 50 minutes.

  • Make catching an early Washington DC to Harlingen Valley International Airport flight the easiest part of your trip. Book a room at one of these hotels near Baltimore Washington International Airport and head to your check-in counter with time to spare:

  • Airports have an on-time performance rating that monitors how often flights arrive at their destinations without delays. At BWI, that figure is 77%.

About Harlingen Valley International Airport (HRL)

Getting from Harlingen Valley International Airport (HRL) to central Harlingen

  • Central Harlingen is around 8 kilometres from Harlingen Valley International Airport and takes about 10 minutes to reach by car. See what your options are for making the trip into the city, whether that's with a taxi, car hire or ride-share.

  • If you're travelling on public transport, expect a journey of about 30 minutes.

How to find the cheapest flights from Washington DC to Harlingen Valley International Airport (HRL)

  • $279 is currently the best price for a one-way ticket from Washington DC to Harlingen Valley International Airport. Return flights start at $468. These prices can change based on demand and availability.

  • Don't wait until the last moment. You're more likely to walk away with cheap flights from Washington DC to HRL if you book early. Airlines often offer some amazing early bird rates.

  • Cheap Washington DC to Harlingen Valley International Airport tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.

  • Snapping up a cheap plane ticket from Washington DC to HRL is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Tailor your flights using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Washington DC to Harlingen Valley International Airport.

The best time to fly from Washington DC to Harlingen Valley International Airport (HRL)

  • Think about the kind of experience you want when planning the timing of your trip. October is the quietest month to visit Harlingen. April is when most people book flights from Washington DC to Harlingen Valley International Airport (HRL), which may be perfect if you're chasing more action.

  • When booking your Washington DC to HRL plane ticket, consider what kind of weather you prefer. August is the warmest month in Harlingen, with temperatures ranging from 25ºC to 37ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from Washington DC to Harlingen Valley International Airport in January when temperatures are between 10ºC and 25ºC.

More about Harlingen

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Harlingen right here. Explore these options once you've booked your flight from Washington DC to Harlingen Valley International Airport:

  • Harlingen has loads of things to keep you entertained, beginning with Harlingen Arts & Heritage Museum. Iwo Jima Memorial & Museum is another attraction you have to check out.

Explore more of the United States

  • Corpus Christi is just one of the many places in the United States waiting to be explored after you've experienced Harlingen. Around 177 kilometres away to the north, well-known attractions include USS LEXINGTON, Texas State Aquarium and Bayfront Park.

  • Laredo is another essential stop in the United States and is around 225 kilometres northwest of Harlingen. No trip is complete without a visit to Casa Blanca, The Original Texas White House, San Agustin Catholic Cathedral and Zacate Creek Linear Park.

Plan the rest of your trip from Washington D.C. to Harlingen

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.