IAD - HRL

$135 Find Cheap Flights from Washington Dulles Airport to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Harlingen departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Harlingen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Harlingen, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$339
United Airlines
Mon 2/9Fri 2/13
IAD - HRL • 1 stop
Cheapest one-way
$135
United Airlines
Sat 7/4
IAD - HRL • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Harlingen!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Harlingen (IAD-HRL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl 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.

Recent round-trip flight deals from Dulles Intl to Harlingen

Mon, Feb 9 - Fri, Feb 13
United Airlines Logo
6:03 am - 11:26 am
IAD
-
HRL
6h 23m
1 stop
United Airlines Logo
12:10 pm - 8:41 pm
HRL
-
IAD
7h 31m
1 stop
$339United Airlines
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
3:03 pm - 7:29 pm
IAD
-
HRL
5h 26m
1 stop
United Airlines Logo
5:16 pm - 12:32 am
HRL
-
IAD
6h 16m
1 stop
$417United Airlines
Mon, Feb 9 - Fri, Feb 13
American Airlines Logo
1:08 pm - 11:21 pm
IAD
-
HRL
11h 13m
2 stops
American Airlines Logo
2:45 pm - 10:53 pm
HRL
-
IAD
7h 08m
1 stop
$551American Airlines
Sat, Feb 7 - Wed, Feb 11
United Airlines Logo
5:15 pm - 11:26 am
IAD
-
HRL
19h 11m
2 stops
United Airlines Logo
12:10 pm - 11:54 am
HRL
-
IAD
22h 44m
2 stops
$570United Airlines
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
12:42 pm - 7:29 pm
IAD
-
HRL
7h 47m
2 stops
United Airlines Logo
5:16 pm - 12:32 am
HRL
-
IAD
6h 16m
1 stop
$595United Airlines
Mon, Feb 9 - Fri, Feb 13
American Airlines Logo
1:08 pm - 10:36 am
IAD
-
HRL
22h 28m
2 stops
American Airlines Logo
2:45 pm - 1:32 pm
HRL
-
IAD
21h 47m
2 stops
$623American Airlines
Sat, Feb 7 - Wed, Feb 11
American Airlines Logo
5:26 pm - 11:21 pm
IAD
-
HRL
6h 55m
1 stop
American Airlines Logo
6:02 am - 4:31 pm
HRL
-
IAD
9h 29m
1 stop
$731American Airlines
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
9:00 am - 3:34 pm
IAD
-
HRL
7h 34m
2 stops
United Airlines Logo
7:15 am - 4:10 pm
HRL
-
IAD
7h 55m
2 stops
$936United Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Harlingen flights

Get data-powered insights and trends into flights from Dulles Intl 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 Dulles Airport to Harlingen?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Washington Dulles Airport to Harlingen were found on United Airlines ($339) and American Airlines ($551).

Find deals

Good to know

Cheapest flight$135
Flight from Washington Dulles Airport to Harlingen

When to book flights from Dulles Intl to Harlingen

Are your dates flexible? Find out the best times to travel from Dulles Intl to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Harlingen flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Harlingen?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Harlingen was $135 for a one-way ticket and $339 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Harlingen?

    A passport is not required to fly from Washington Dulles Airport to Harlingen.

  • Which airports will I be using when flying from Washington Dulles Airport to Harlingen?

    Washington Dulles Airport and Harlingen are both served by 1 main airport. You will leave Washington Dulles Airport from Washington, D.C. Dulles Intl and will be arriving at Harlingen Valley Intl.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Harlingen?

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

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Washington Dulles Airport 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 Dulles Airport 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 Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and HRL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport 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 Dulles Airport 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 Dulles Intl to Harlingen

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Harlingen (HRL)