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Cheap flights from Washington, D.C. Dulles Intl Airport to Harlingen from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Harlingen departing on 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:03 am - 11:26 am
IAD
-
HRL
6h 23m1 stop
United Airlines Logo
12:10 pm - 8:49 pm
HRL
-
IAD
7h 39m1 stop
$295United Airlines
Fr, Jan 9 - Di, Jan 13
United Airlines Logo
6:03 am - 11:26 am
IAD
-
HRL
6h 23m1 stop
United Airlines Logo
12:10 pm - 8:49 pm
HRL
-
IAD
7h 39m1 stop
$370United Airlines
Di, Jan 13 - Sa, Jan 17
United Airlines Logo
8:15 am - 4:06 pm
IAD
-
HRL
8h 51m1 stop
United Airlines Logo
12:10 pm - 8:49 pm
HRL
-
IAD
7h 39m1 stop
$371United Airlines
Di, Jan 13 - Sa, Jan 17
American Airlines Logo
1:08 pm - 11:21 pm
IAD
-
HRL
11h 13m2 stops
American Airlines Logo
6:02 am - 5:16 pm
HRL
-
IAD
10h 14m2 stops
$384American Airlines
Fr, Jan 9 - Di, Jan 13
American Airlines Logo
5:26 pm - 11:21 pm
IAD
-
HRL
6h 55m1 stop
American Airlines Logo
6:02 am - 5:16 pm
HRL
-
IAD
10h 14m2 stops
$387American Airlines
Fr, Jan 9 - Di, Jan 13
United Airlines Logo
6:03 am - 11:26 am
IAD
-
HRL
6h 23m1 stop
United Airlines Logo
5:25 pm - 11:38 am
HRL
-
IAD
17h 13m2 stops
$411United Airlines
Di, Jan 13 - Sa, Jan 17
United Airlines Logo
8:15 am - 4:06 pm
IAD
-
HRL
8h 51m1 stop
United Airlines Logo
12:10 pm - 8:49 pm
HRL
-
IAD
7h 39m1 stop
$454United Airlines
Di, Jan 6 - Sa, Jan 10
United Airlines Logo
10:15 pm - 8:01 pm
IAD
-
HRL
22h 46m2 stops
United Airlines Logo
9:20 am - 11:38 am
HRL
-
IAD
25h 18m2 stops
$493United Airlines
Di, Jan 13 - Sa, Jan 17
United Airlines Logo
6:03 am - 11:26 am
IAD
-
HRL
6h 23m1 stop
United Airlines Logo
12:10 pm - 7:30 am
HRL
-
IAD
18h 20m2 stops
$526United Airlines
Di, Jan 6 - Sa, Jan 10
United Airlines Logo
6:00 am - 11:16 am
IAD
-
HRL
6h 16m1 stop
United Airlines Logo
5:25 pm - 11:51 pm
HRL
-
IAD
5h 26m1 stop
$566United Airlines
Do, Mrz 19 - So, Mrz 22

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Harlingen, Texas flight tickets
United Airlines
Jan 9
IAD6:03 amWashington, D.C. Dulles Intl
6h 23m
1 stop
HRL11:26 amHarlingen Valley Intl
Jan 13
HRL12:10 pmHarlingen Valley Intl
7h 39m
1 stop
IAD8:49 pmWashington, D.C. Dulles Intl
$295
Find similar
United Airlines
Jan 13
IAD6:03 amWashington, D.C. Dulles Intl
6h 23m
1 stop
HRL11:26 amHarlingen Valley Intl
Jan 17
HRL12:10 pmHarlingen Valley Intl
7h 39m
1 stop
IAD8:49 pmWashington, D.C. Dulles Intl
$370
Find similar
United Airlines
Jan 13
IAD8:15 amWashington, D.C. Dulles Intl
8h 51m
1 stop
HRL4:06 pmHarlingen Valley Intl
Jan 17
HRL12:10 pmHarlingen Valley Intl
7h 39m
1 stop
IAD8:49 pmWashington, D.C. Dulles Intl
$371
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Harlingen, Texas flight tickets
American Airlines
Jan 9
IAD1:08 pmWashington, D.C. Dulles Intl
11h 13m
2 stops
HRL11:21 pmHarlingen Valley Intl
Jan 13
HRL6:02 amHarlingen Valley Intl
10h 14m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
$384
Find similar
American Airlines
Jan 9
IAD5:26 pmWashington, D.C. Dulles Intl
6h 55m
1 stop
HRL11:21 pmHarlingen Valley Intl
Jan 13
HRL6:02 amHarlingen Valley Intl
10h 14m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
$387
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated Dezember 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fr 1/9

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Di 1/13

12:10 pm-8:49 pm

1 stop7h 39m

$295

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/13

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Sa 1/17

12:10 pm-8:49 pm

1 stop7h 39m

$370

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/13

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Sa 1/17

12:10 pm-8:49 pm

1 stop7h 39m

$371

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fr 1/9

1:08 pm-11:21 pm

2 stops11h 13m

Harlingen Valley Intl

Di 1/13

6:02 am-5:16 pm

2 stops10h 14m

$384

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fr 1/9

5:26 pm-11:21 pm

1 stop6h 55m

Harlingen Valley Intl

Di 1/13

6:02 am-5:16 pm

2 stops10h 14m

$387

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/13

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Sa 1/17

5:25 pm-11:38 am

2 stops17h 13m

$411

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/6

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Sa 1/10

12:10 pm-8:49 pm

1 stop7h 39m

$454

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/13

10:15 pm-8:01 pm

2 stops22h 46m

Harlingen Valley Intl

Sa 1/17

9:20 am-11:38 am

2 stops25h 18m

$493

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Di 1/6

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Sa 1/10

12:10 pm-7:30 am

2 stops18h 20m

$526

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Do 3/19

6:00 am-11:16 am

1 stop6h 16m

Harlingen Valley Intl

So 3/22

5:25 pm-11:51 pm

1 stop5h 26m

$566

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Harlingen from

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

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 day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $389. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Harlingen, Texas for around $567.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the morning. Flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas during this time can be as low as $444. Flights in the afternoon are often more expensive with an average ticket price of $485.

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

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

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

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

Fastest flight time

6h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas takes 6h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Harlingen, Texas.
Search flight deals

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

    Washington, D.C. Dulles Intl and Harlingen Valley Intl are 1465.2 mi apart from one another. Flights usually cover this in 6h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.

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

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents you'll need for your trip to Harlingen Valley 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 Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Harlingen from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Harlingen quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Harlingen flights to just show those with flexible booking policies.

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

Once all potential Washington, D.C. to Harlingen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Harlingen from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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