Question 1

What is the cheapest flight from Washington, D.C. to Harlingen?

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Harlingen was $129 for a one-way ticket and $268 for a round-trip. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Washington, D.C. and Harlingen?

Accepted Answer

A passport is not required to fly from Washington, D.C. to Harlingen. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Washington, D.C. to Harlingen?

Accepted Answer

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Harlingen. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Harlingen Valley Intl. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Washington, D.C. to Harlingen?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

How does KAYAK find such low prices on flights from Washington, D.C. to Harlingen?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Harlingen. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Harlingen?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Washington, D.C. to Harlingen?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Harlingen?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-WAS/Harlingen-Valley-Intl-HRL'>Visit our flight page for the latest deals!>/a>

Question 9

What is the cheapest layover airport when flying from Washington, D.C. to Harlingen?

Accepted Answer

Flights via Minneapolis (MSP) offer the most affordable fares, with an average round-trip price of $259.

Question 10

What is the most popular layover airport when flying from Washington, D.C. to Harlingen?

Accepted Answer

Houston (IAH) is the top choice – 49% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Harlingen picked an itinerary connecting there.

Question 11

Which layover airport has the quickest connection when flying from Washington, D.C. to Harlingen?

Accepted Answer

If you prefer a quick connection, Dallas (DFW) often has the shortest layovers from Washington, D.C. to Harlingen, with an average of 0h 40m.

Question 12

Which layover airport offers the shortest total travel time from Washington, D.C. to Harlingen?

Accepted Answer

Consider flying via Houston (HOU) for the shortest journey. The average one-way travel time for flights connecting there is 5h 35m.

Question 13

Which airlines provide the cheapest flights from Washington, D.C. to Harlingen?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Harlingen were found on Southwest ($268) and United Airlines ($313).

Question 14

Which airlines provide the cheapest flights from Washington, D.C. to Harlingen?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Harlingen were found on Southwest ($268) and United Airlines ($313).

Question 15

What are the most popular airlines flying to Valley Intl?

Accepted Answer

The most popular airline among KAYAK users flying to Valley Intl is American Airlines, followed by United Airlines and Southwest.

WAS - HRL

$129 Find Cheap Flights from Washington, D.C. to Harlingen

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

Everything you should know

Cheap Flights from Washington, D.C. to Harlingen (WAS-HRL)

Recent round-trip flight deals from Washington, D.C. to Harlingen

Recent one-way flight deals from Washington, D.C. to Harlingen

Recent last minute flight deals from Washington, D.C. to Harlingen

KAYAK's insights & trends for Washington, D.C. to Harlingen flights

Get data-powered insights and trends into flights from Washington, D.C. to Harlingen to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Harlingen?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Harlingen were found on Southwest ($268) and United Airlines ($313).

What is the most popular layover airport when flying from Washington, D.C. to Harlingen?

Houston (IAH) is the top choice – 49% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Harlingen picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington, D.C. to Harlingen?

Flights via Minneapolis (MSP) offer the most affordable fares, with an average round-trip price of $259.

Which layover airport offers the shortest total travel time from Washington, D.C. to Harlingen?

Consider flying via Houston (HOU) for the shortest journey. The average one-way travel time for flights connecting there is 5h 35m.

Which layover airport has the quickest connection when flying from Washington, D.C. to Harlingen?

If you prefer a quick connection, Dallas (DFW) often has the shortest layovers from Washington, D.C. to Harlingen, with an average of 0h 40m.

Good to know

When to book flights from Washington, D.C. to Harlingen

FAQs for booking flights from Washington, D.C. to Harlingen

What is the cheapest flight from Washington, D.C. to Harlingen?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Harlingen was $129 for a one-way ticket and $268 for a round-trip.

Do I need a passport to fly between Washington, D.C. and Harlingen?

A passport is not required to fly from Washington, D.C. to Harlingen.

Which airports will I be using when flying from Washington, D.C. to Harlingen?

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Harlingen. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Harlingen Valley Intl.

Which aircraft models fly most regularly from Washington, D.C. to Harlingen?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to Harlingen?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Harlingen.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Harlingen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to Harlingen?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Harlingen?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Harlingen

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Harlingen

Complete your trip to Harlingen with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Harlingen

Flights to other popular destinations

Flights from domestic origins to Harlingen

Choose which airport to fly into in Harlingen

Find deals for your return flight