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Cheap flights from Washington, D.C. Dulles Intl Airport to Harlingen from $192

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 12/28. 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

United Airlines Logo
8:35 am - 4:02 pmIAD-HRL
8h 27m1 stop
United Airlines Logo
5:00 am - 11:28 amHRL-IAD
5h 28m1 stop
$267United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
American Airlines Logo
5:27 pm - 11:14 pmIAD-HRL
6h 47m1 stop
American Airlines Logo
4:02 pm - 10:33 pmHRL-IAD
5h 31m1 stop
$313American Airlines
Find Deal
Wed, Nov 5 - Mon, Nov 10
American Airlines Logo
11:47 am - 6:05 pmIAD-HRL
7h 18m1 stop
American Airlines Logo
6:19 pm - 12:18 pmHRL-IAD
16h 59m2 stops
$351American Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
2:21 pm - 10:57 pmIAD-HRL
9h 36m2 stops
American Airlines Logo
6:19 pm - 10:07 amHRL-IAD
14h 48m2 stops
$356American Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
5:40 pm - 10:57 pmIAD-HRL
6h 17m1 stop
American Airlines Logo
6:19 pm - 12:18 pmHRL-IAD
16h 59m2 stops
$365American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
American Airlines Logo
11:18 am - 6:05 pmIAD-HRL
7h 47m2 stops
American Airlines Logo
6:19 pm - 12:18 pmHRL-IAD
16h 59m2 stops
$370American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
American Airlines Logo
5:26 pm - 9:41 amIAD-HRL
17h 15m2 stops
American Airlines Logo
6:35 pm - 10:07 amHRL-IAD
14h 32m2 stops
$386American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
American Airlines Logo
7:55 am - 3:32 pmIAD-HRL
8h 37m2 stops
American Airlines Logo
4:02 pm - 10:33 pmHRL-IAD
5h 31m1 stop
$393American Airlines
Find Deal
Wed, Nov 5 - Mon, Nov 10
United Airlines Logo
8:35 am - 4:02 pmIAD-HRL
8h 27m1 stop
United Airlines Logo
5:00 am - 6:53 pmHRL-IAD
12h 53m1 stop
$394United Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
6:00 pm - 10:52 pmIAD-HRL
5h 52m1 stop
American Airlines Logo
10:11 am - 4:50 pmHRL-IAD
5h 39m1 stop
$398American Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 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
Sep 4
IAD8:35 amWashington, D.C. Dulles Intl
8h 27m
1 stop
HRL4:02 pmHarlingen Valley Intl
Sep 7
HRL5:00 amHarlingen Valley Intl
5h 28m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
$267
Find similar
United Airlines
Sep 3
IAD8:35 amWashington, D.C. Dulles Intl
8h 27m
1 stop
HRL4:02 pmHarlingen Valley Intl
Sep 7
HRL5:00 amHarlingen Valley Intl
12h 53m
1 stop
IAD6:53 pmWashington, D.C. Dulles Intl
$394
Find similar
United Airlines
Aug 20
IAD8:35 amWashington, D.C. Dulles Intl
8h 27m
1 stop
HRL4:02 pmHarlingen Valley Intl
Aug 25
HRL5:20 pmHarlingen Valley Intl
5h 35m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$462
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
Nov 5
IAD5:27 pmWashington, D.C. Dulles Intl
6h 47m
1 stop
HRL11:14 pmHarlingen Valley Intl
Nov 10
HRL4:02 pmHarlingen Valley Intl
5h 31m
1 stop
IAD10:33 pmWashington, D.C. Dulles Intl
$313
Find similar
American Airlines
Sep 3
IAD11:47 amWashington, D.C. Dulles Intl
7h 18m
1 stop
HRL6:05 pmHarlingen Valley Intl
Sep 7
HRL6:19 pmHarlingen Valley Intl
16h 59m
2 stops
IAD12:18 pmWashington, D.C. Dulles Intl
$351
Find similar
American Airlines
Sep 3
IAD2:21 pmWashington, D.C. Dulles Intl
9h 36m
2 stops
HRL10:57 pmHarlingen Valley Intl
Sep 7
HRL6:19 pmHarlingen Valley Intl
14h 48m
2 stops
IAD10:07 amWashington, D.C. Dulles Intl
$356
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 August 12, 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

Thu 9/4

8:35 am-4:02 pm

1 stop8h 27m

Harlingen Valley Intl

Sun 9/7

5:00 am-11:28 am

1 stop5h 28m

$267

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 11/5

5:27 pm-11:14 pm

1 stop6h 47m

Harlingen Valley Intl

Mon 11/10

4:02 pm-10:33 pm

1 stop5h 31m

$313

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 9/3

11:47 am-6:05 pm

1 stop7h 18m

Harlingen Valley Intl

Sun 9/7

6:19 pm-12:18 pm

2 stops16h 59m

$351

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 9/3

2:21 pm-10:57 pm

2 stops9h 36m

Harlingen Valley Intl

Sun 9/7

6:19 pm-10:07 am

2 stops14h 48m

$356

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 9/4

5:40 pm-10:57 pm

1 stop6h 17m

Harlingen Valley Intl

Sun 9/7

6:19 pm-12:18 pm

2 stops16h 59m

$365

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 9/4

11:18 am-6:05 pm

2 stops7h 47m

Harlingen Valley Intl

Sun 9/7

6:19 pm-12:18 pm

2 stops16h 59m

$370

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 9/18

5:26 pm-9:41 am

2 stops17h 15m

Harlingen Valley Intl

Mon 9/22

6:35 pm-10:07 am

2 stops14h 32m

$386

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 11/5

7:55 am-3:32 pm

2 stops8h 37m

Harlingen Valley Intl

Mon 11/10

4:02 pm-10:33 pm

1 stop5h 31m

$393

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 9/3

8:35 am-4:02 pm

1 stop8h 27m

Harlingen Valley Intl

Sun 9/7

5:00 am-6:53 pm

1 stop12h 53m

$394

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 9/18

6:00 pm-10:52 pm

1 stop5h 52m

Harlingen Valley Intl

Mon 9/22

10:11 am-4:50 pm

1 stop5h 39m

$398

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

Best Price Found

$192

Fastest flight time

5h 52m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Washington, D.C. Dulles Intl Airport in the past 72 hours is $192. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Harlingen, Texas found on momondo in the last 72 hours is $267.
The fastest flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas takes 5h 52m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Harlingen Valley Intl Airport.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)
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  • 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 5h 52m, 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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