Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Harlingen to Washington, D.C. from $170

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Harlingen to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:18 pm - 12:30 amHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
6h 12m1 stop Houston George Bush Intcntl
United Airlines Logo
3:02 pm - 7:44 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
5h 42m1 stop Houston George Bush Intcntl
$339United Airlines
Thu, Oct 1 - Mon, Oct 5
Delta Logo
2:13 pm - 11:26 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
8h 13m1 stop Minneapolis St Paul
Delta Logo
7:23 am - 1:23 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
7h 00m1 stop Minneapolis St Paul
$339Delta
Thu, Oct 8 - Sat, Oct 10
Delta Logo
2:13 pm - 11:26 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
8h 13m1 stop Minneapolis St Paul
Delta Logo
6:05 am - 1:23 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
8h 18m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
$354Delta
Thu, Oct 8 - Sat, Oct 10
American Airlines Logo
2:26 pm - 11:30 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
8h 04m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
7h 42m1 stop Dallas/Fort Worth
$374American Airlines
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
2:00 pm - 10:30 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
7h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
3:02 pm - 7:44 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
5h 42m1 stop Houston George Bush Intcntl
$406United Airlines
Wed, Sep 30 - Mon, Oct 5
United Airlines Logo
2:00 pm - 10:30 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
7h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
8:30 am - 1:23 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
5h 53m1 stop Houston George Bush Intcntl
$409United Airlines
Fri, Sep 25 - Tue, Sep 29
American Airlines Logo
2:26 pm - 11:30 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
8h 04m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
7h 42m1 stop Dallas/Fort Worth
$429American Airlines
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
5:18 pm - 11:55 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
5h 37m1 stop Houston George Bush Intcntl
United Airlines Logo
3:02 pm - 9:52 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
7h 50m1 stop Houston George Bush Intcntl
$429United Airlines
Mon, Sep 21 - Fri, Sep 25
United Airlines Logo
1:59 pm - 9:12 pmHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
6h 13m1 stop Houston George Bush Intcntl
United Airlines Logo
5:15 pm - 9:44 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
5h 29m1 stop Houston George Bush Intcntl
$429United Airlines
Sat, Jan 23 - Tue, Jan 26
United Airlines Logo
5:18 pm - 12:30 amHRL  Harlingen Valley Intl-IAD Washington, D.C. Dulles Intl
6h 12m1 stop Houston George Bush Intcntl
United Airlines Logo
3:02 pm - 7:44 pmIAD  Washington, D.C. Dulles Intl-HRL Harlingen Valley Intl
5h 42m1 stop Houston George Bush Intcntl
$429United Airlines
Wed, Sep 23 - Sun, Sep 27

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Harlingen to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Harlingen to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 1
HRL5:18 pmHarlingen Valley Intl
6h 12m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
Oct 5
IAD3:02 pmWashington, D.C. Dulles Intl
5h 42m
1 stop
HRL7:44 pmHarlingen Valley Intl
$339
United Airlines
Sep 30
HRL2:00 pmHarlingen Valley Intl
7h 30m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
Oct 5
IAD3:02 pmWashington, D.C. Dulles Intl
5h 42m
1 stop
HRL7:44 pmHarlingen Valley Intl
$406
United Airlines
Sep 25
HRL2:00 pmHarlingen Valley Intl
7h 30m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
Sep 29
IAD8:30 amWashington, D.C. Dulles Intl
5h 53m
1 stop
HRL1:23 pmHarlingen Valley Intl
$409

American Airlines flights from Harlingen to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Harlingen to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Nov 13
HRL2:26 pmHarlingen Valley Intl
8h 04m
1 stop
IAD11:30 pmWashington, D.C. Dulles Intl
Nov 15
IAD7:14 amWashington, D.C. Dulles Intl
7h 42m
1 stop
HRL1:56 pmHarlingen Valley Intl
$374
American Airlines
Nov 13
HRL2:26 pmHarlingen Valley Intl
8h 04m
1 stop
IAD11:30 pmWashington, D.C. Dulles Intl
Nov 15
IAD7:14 amWashington, D.C. Dulles Intl
7h 42m
1 stop
HRL1:56 pmHarlingen Valley Intl
$454
American Airlines
Nov 8
HRL2:26 pmHarlingen Valley Intl
8h 04m
1 stop
IAD11:30 pmWashington, D.C. Dulles Intl
Nov 14
IAD5:10 pmWashington, D.C. Dulles Intl
7h 21m
1 stop
HRL11:31 pmHarlingen Valley Intl
$477

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Thu 10/1

5:18 pm-12:30 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Mon 10/5

3:02 pm-7:44 pm

1 stop5h 42m

$339

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Thu 10/8

2:13 pm-11:26 pm

1 stop8h 13m

Washington, D.C. Dulles Intl

Sat 10/10

7:23 am-1:23 pm

1 stop7h 00m

$339

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Thu 10/8

2:13 pm-11:26 pm

1 stop8h 13m

Washington, D.C. Dulles Intl

Sat 10/10

6:05 am-1:23 pm

2 stops8h 18m

$354

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Fri 11/13

2:26 pm-11:30 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Sun 11/15

7:14 am-1:56 pm

1 stop7h 42m

$374

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Wed 9/30

2:00 pm-10:30 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 10/5

3:02 pm-7:44 pm

1 stop5h 42m

$406

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Fri 9/25

2:00 pm-10:30 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Tue 9/29

8:30 am-1:23 pm

1 stop5h 53m

$409

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Fri 11/13

2:26 pm-11:30 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Sun 11/15

7:14 am-1:56 pm

1 stop7h 42m

$429

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Mon 9/21

5:18 pm-11:55 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Fri 9/25

3:02 pm-9:52 pm

1 stop7h 50m

$429
Quickest round-trip

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Sat 1/23

1:59 pm-9:12 pm

1 stop6h 13m

Washington, D.C. Dulles Intl

Tue 1/26

5:15 pm-9:44 pm

1 stop5h 29m

$429

HarlingenWashington, D.C.

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

HRLIAD

Harlingen Valley Intl

Wed 9/23

5:18 pm-12:30 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Sun 9/27

3:02 pm-7:44 pm

1 stop5h 42m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Harlingen to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Harlingen Valley Intl to Washington, D.C. Dulles Intl?

American Airlines and United Airlines are the most popular carriers operating from Harlingen Valley Intl to Washington, D.C. Dulles Intl

When to book flights from Harlingen to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen to Washington, D.C. Dulles Intl Airport (HRL to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Washington, D.C. Dulles Intl Airport

Best Price Found

$170

Fastest flight time

6h 12m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Harlingen in the past 72 hours is $170. The best round-trip flight deal from Harlingen to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $339.
The fastest flight from Harlingen to Washington, D.C. Dulles Intl Airport takes 6h 12m
There are no direct flights from Harlingen to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Harlingen to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Harlingen to Washington, D.C. Dulles Intl Airport

  • How far is Harlingen Valley Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Harlingen Valley Intl and Washington, D.C. Dulles Intl is about 1465.2 mi. Flights usually cover this in 6h 12m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Laurel
Waldorf
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Colonial Beach
Glen Burnie
Edgewood

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Washington, D.C.?

It is quick and easy to find Harlingen to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Harlingen to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Harlingen to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Harlingen to Washington, D.C.?

Once you have performed a search for Harlingen to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Harlingen to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 10/11
Sun 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.