How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Harlingen. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Harlingen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from District of Columbia 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 District of Columbia with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$126 CHEAP FLIGHTS from District of Columbia to Harlingen

HRL

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

...and more

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$290

United Airlines

Sat 2/28Mon 3/2

DCA - HRL • 1 stop

Cheapest one-way

$126

United Airlines

Sat 2/28

DCA - HRL • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Harlingen!

Flight Deals

Cheap Flights from District of Columbia to Harlingen

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from District of Columbia to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from District of Columbia to Harlingen

Sat, Feb 28 - Mon, Mar 2

3:59 pm - 9:59 pm

DCA

HRL

7h 00m1 stop

5:20 pm - 11:50 pm

HRL

DCA

5h 30m1 stop

$290United Airlines

Fri, Mar 6 - Wed, Mar 11

6:00 am - 2:13 pm

IAD

HRL

9h 13m1 stop

2:45 pm - 10:53 pm

HRL

IAD

7h 08m1 stop

$299American Airlines

Sat, Jan 24 - Wed, Jan 28

11:00 am - 4:06 pm

DCA

HRL

6h 06m1 stop

5:25 pm - 11:59 pm

HRL

DCA

5h 34m1 stop

$331United Airlines

Sat, Jan 24 - Wed, Jan 28

6:03 am - 11:26 am

IAD

HRL

6h 23m1 stop

9:20 am - 4:14 pm

HRL

IAD

5h 54m1 stop

$331United Airlines

Fri, Feb 27 - Mon, Mar 2

6:00 am - 11:24 am

DCA

HRL

6h 24m1 stop

5:20 pm - 11:50 pm

HRL

DCA

5h 30m1 stop

$350United Airlines

Sat, Feb 28 - Mon, Mar 2

2:55 pm - 10:50 pm

DCA

HRL

8h 55m2 stops

11:15 am - 10:40 pm

HRL

DCA

10h 25m1 stop

$362Southwest

Fri, Feb 27 - Mon, Mar 2

1:10 pm - 7:15 pm

DCA

HRL

7h 05m1 stop

9:45 am - 9:45 pm

HRL

DCA

11h 00m2 stops

$385Southwest

Sat, Feb 28 - Mon, Mar 2

12:55 pm - 10:50 pm

DCA

HRL

10h 55m2 stops

9:45 am - 9:45 pm

HRL

DCA

11h 00m2 stops

$386Southwest

Fri, Mar 6 - Wed, Mar 11

6:00 am - 2:13 pm

IAD

HRL

9h 13m1 stop

10:42 am - 11:59 pm

HRL

IAD

12h 17m2 stops

$386American Airlines

Sat, Jan 24 - Wed, Jan 28

8:15 am - 4:06 pm

IAD

HRL

8h 51m1 stop

12:10 pm - 7:30 am

HRL

IAD

18h 20m2 stops

$415United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$126

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 4% increase in price.

Flight from Reagan Washington National Airport to Harlingen

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Harlingen.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Harlingen?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from District of Columbia 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 District of Columbia 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 District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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 to Harlingen

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Harlingen

Harlingen (HRL)

HRL

$126 Find Cheap Flights from District of Columbia to Harlingen

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

Everything you should know

Cheap Flights from District of Columbia to Harlingen

Recent round-trip flight deals from District of Columbia to Harlingen

Recent one-way flight deals from District of Columbia to Harlingen

Recent last minute flight deals from District of Columbia to Harlingen

Good to know

FAQs for booking flights from District of Columbia to Harlingen

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Harlingen.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Harlingen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from District of Columbia 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 District of Columbia 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 District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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 to Harlingen

Information on the airport you'll fly into in Harlingen

Cabin class types available on flights to District of Columbia

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

Find direct flights for 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