HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$332+ Cheap flights from Dulles Intl (IAD) to Harlingen (HRL)

IAD — HRL
Nov 24 — Dec 11
Tue 11/24
Tue 12/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Harlingen

Cheapest flights from Dulles Intl to Harlingen

Thu 11/52:38 pm -
1 stop6h 09m
Mon 11/95:25 pm -
1 stop6h 12m
Deal found 10/20$332
Tue 11/105:54 pm -
1 stop5h 54m
Wed 11/115:25 pm -
1 stop6h 12m
Deal found 10/21$345
Wed 12/27:14 am -
1 stop7h 40m
Wed 12/92:24 pm -
1 stop8h 06m
Deal found 10/25$359
Wed 12/27:26 am -
1 stop7h 11m
Wed 12/92:27 pm -
2 stops9h 14m
Deal found 10/25$394
Tue 11/35:54 pm -
1 stop5h 54m
Sat 11/75:05 am -
1 stop5h 23m
Deal found 10/20$397
Thu 11/57:23 am -
1 stop7h 00m
Sun 11/82:13 pm -
1 stop8h 13m
Deal found 10/23$484

Find flight deals from Dulles Intl to Harlingen

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(United Airlines)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Harlingen Valley Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Harlingen Valley Intl
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Wed 12/2

7:26 am-1:37 pm

1 stop7h 11m

Harlingen Valley Intl

Wed 12/9

2:27 pm-12:41 am

2 stops9h 14m

$394

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Sat 11/7

7:18 am-1:56 pm

1 stop7h 38m

Harlingen Valley Intl

Tue 11/10

2:26 pm-11:30 pm

1 stop8h 04m

$397

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Tue 11/10

5:54 pm-10:48 pm

1 stop5h 54m

Harlingen Valley Intl

Wed 11/11

5:25 pm-12:37 am

1 stop6h 12m

$404

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Wed 1/27

12:50 pm-7:47 pm

1 stop7h 57m

Harlingen Valley Intl

Wed 2/10

7:00 am-9:06 pm

2 stops13h 06m

$432

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Thu 11/5

7:23 am-1:23 pm

1 stop7h 00m

Harlingen Valley Intl

Sun 11/8

2:13 pm-11:26 pm

1 stop8h 13m

$484

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Thu 11/5

8:34 am-4:01 pm

1 stop8h 27m

Harlingen Valley Intl

Mon 11/9

5:25 pm-11:23 am

2 stops16h 58m

$536

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Fri 11/6

2:38 pm-7:47 pm

1 stop6h 09m

Harlingen Valley Intl

Mon 11/9

5:25 pm-4:30 pm

2 stops22h 05m

$536
Quickest round-trip

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Sat 11/7

7:23 am-1:23 pm

1 stop7h 00m

Harlingen Valley Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$655

Washington, D.C.Harlingen

IAD Washington, D.C. Dulles Intl - HRL Harlingen Valley Intl

IADHRL

Washington, D.C. Dulles Intl

Sat 11/7

8:37 am-10:48 pm

3 stops15h 11m

Harlingen Valley Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$1,066

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Sorted by cheapest first

Compare providers for flights from Dulles Intl to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Harlingen in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Harlingen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Dulles Intl with our price prediction graph.
Estimated round-trip price

Related info for your journey

  • What airport do you fly into for flights to Harlingen from Washington, D.C. Dulles Intl?

    Located just 3.7 mi from the city center, Harlingen Valley Intl is the airport most travelers will use when flying to Harlingen from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Valley Intl (HRL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Harlingen in 6h 09m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. Washington, D.C. Dulles Intl Airport and Harlingen are separated by a distance of 1462 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Harlingen that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Harlingen.

  • Can I find deals for business class flights from Dulles Intl to Harlingen?

    Yes. Cheapflights offers flight deals from Dulles Intl to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights