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Cheap flights from Washington, D.C. to Harlingen from $164

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. to Harlingen departing on 12/15. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:40 pm - 8:01 pm
DCA
-
HRL
8h 21m1 stop
United Airlines Logo
5:25 pm - 11:59 pm
HRL
-
DCA
5h 34m1 stop
$217United Airlines
jue., ene. 8 - lun., ene. 12
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
$217United Airlines
jue., ene. 8 - lun., ene. 12
United Airlines Logo
12:25 pm - 8:01 pm
BWI
-
HRL
8h 36m1 stop
United Airlines Logo
9:20 am - 4:06 pm
HRL
-
BWI
5h 46m1 stop
$217United Airlines
jue., ene. 8 - lun., ene. 12
Southwest Logo
11:00 am - 6:00 pm
DCA
-
HRL
8h 00m1 stop
Southwest Logo
6:30 am - 2:15 pm
HRL
-
DCA
6h 45m2 stops
$219Southwest
jue., ene. 8 - lun., ene. 12
United Airlines Logo
10:05 am - 8:01 pm
BWI
-
HRL
10h 56m2 stops
United Airlines Logo
7:00 am - 4:06 pm
HRL
-
BWI
8h 06m1 stop
$222United Airlines
jue., ene. 8 - lun., ene. 12
American Airlines Logo
6:30 am - 2:49 pm
DCA
-
HRL
9h 19m1 stop
American Airlines Logo
3:22 pm - 11:00 pm
HRL
-
DCA
6h 38m1 stop
$234American Airlines
vie., ene. 9 - mar., ene. 20
United Airlines Logo
10:05 am - 8:01 pm
BWI
-
HRL
10h 56m2 stops
United Airlines Logo
9:20 am - 9:21 pm
HRL
-
BWI
11h 01m2 stops
$241United Airlines
jue., ene. 8 - lun., ene. 12
American Airlines Logo
6:00 am - 10:36 am
IAD
-
HRL
29h 36m1 stop
American Airlines Logo
6:44 pm - 9:17 pm
HRL
-
IAD
25h 33m1 stop
$242American Airlines
vie., ene. 9 - mar., ene. 20
Southwest Logo
1:00 pm - 8:50 pm
DCA
-
HRL
8h 50m2 stops
Southwest Logo
6:30 am - 2:15 pm
HRL
-
DCA
6h 45m2 stops
$259Southwest
jue., ene. 8 - lun., ene. 12
Delta Logo
6:19 am - 2:24 pm
BWI
-
HRL
9h 05m1 stop
Delta Logo
3:00 pm - 11:44 pm
HRL
-
BWI
7h 44m1 stop
$289Delta
sáb., abr. 18 - sáb., abr. 25

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

Our best United Airlines deals on Washington, D.C. to Harlingen, Texas flight tickets
United Airlines
Jan 8
DCA12:40 pmWashington, D.C. Reagan-National
8h 21m
1 stop
HRL8:01 pmHarlingen Valley Intl
Jan 12
HRL5:25 pmHarlingen Valley Intl
5h 34m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$217
Find similar
United Airlines
Jan 8
BWI10:05 amBaltimore/Washington
10h 56m
2 stops
HRL8:01 pmHarlingen Valley Intl
Jan 12
HRL7:00 amHarlingen Valley Intl
8h 06m
1 stop
BWI4:06 pmBaltimore/Washington
$222
Find similar
United Airlines
Jan 8
BWI10:05 amBaltimore/Washington
10h 56m
2 stops
HRL8:01 pmHarlingen Valley Intl
Jan 12
HRL9:20 amHarlingen Valley Intl
11h 01m
2 stops
BWI9:21 pmBaltimore/Washington
$241
Find similar

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

Our best American Airlines deals on Washington, D.C. to Harlingen, Texas flight tickets
American Airlines
Jan 9
DCA6:30 amWashington, D.C. Reagan-National
9h 19m
1 stop
HRL2:49 pmHarlingen Valley Intl
Jan 20
HRL3:22 pmHarlingen Valley Intl
6h 38m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$234
Find similar
American Airlines
Jan 9
IAD6:00 amWashington, D.C. Dulles Intl
29h 36m
1 stop
HRL10:36 amHarlingen Valley Intl
Jan 20
HRL6:44 pmHarlingen Valley Intl
25h 33m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$242
Find similar
American Airlines
Jan 31
DCA3:59 pmWashington, D.C. Reagan-National
8h 22m
1 stop
HRL11:21 pmHarlingen Valley Intl
Feb 3
HRL11:06 amHarlingen Valley Intl
7h 38m
1 stop
DCA7:44 pmWashington, D.C. Reagan-National
$255
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 diciembre 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

jue. 1/8

12:40 pm-8:01 pm

1 stop8h 21m

Harlingen Valley Intl

lun. 1/12

5:25 pm-11:59 pm

1 stop5h 34m

$217

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

jue. 1/8

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

lun. 1/12

12:10 pm-8:49 pm

1 stop7h 39m

$217

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

jue. 1/8

12:25 pm-8:01 pm

1 stop8h 36m

Harlingen Valley Intl

lun. 1/12

9:20 am-4:06 pm

1 stop5h 46m

$217

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

jue. 1/8

11:00 am-6:00 pm

1 stop8h 00m

Harlingen Valley Intl

lun. 1/12

6:30 am-2:15 pm

2 stops6h 45m

$219

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

jue. 1/8

10:05 am-8:01 pm

2 stops10h 56m

Harlingen Valley Intl

lun. 1/12

7:00 am-4:06 pm

1 stop8h 06m

$222

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

vie. 1/9

6:30 am-2:49 pm

1 stop9h 19m

Harlingen Valley Intl

mar. 1/20

3:22 pm-11:00 pm

1 stop6h 38m

$234

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

jue. 1/8

10:05 am-8:01 pm

2 stops10h 56m

Harlingen Valley Intl

lun. 1/12

9:20 am-9:21 pm

2 stops11h 01m

$241

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

vie. 1/9

6:00 am-10:36 am

1 stop29h 36m

Harlingen Valley Intl

mar. 1/20

6:44 pm-9:17 pm

1 stop25h 33m

$242

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

jue. 1/8

1:00 pm-8:50 pm

2 stops8h 50m

Harlingen Valley Intl

lun. 1/12

6:30 am-2:15 pm

2 stops6h 45m

$259

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

sáb. 4/18

6:19 am-2:24 pm

1 stop9h 05m

Harlingen Valley Intl

sáb. 4/25

3:00 pm-11:44 pm

1 stop7h 44m

$289

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. 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. 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. 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.

Can stopping save me money on Washington, D.C. to Harlingen, Texas flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. to Harlingen, Texas flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Harlingen, Texas (WAS to HRL) flight deals and tips

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

Fastest flight time

6h 04m

Direct flights

None
The fastest flight from Washington, D.C. to Harlingen, Texas takes 6h 04m
There are no direct flights from Washington, D.C. to Harlingen, Texas. There are no popular flight routes from Washington, D.C. to Harlingen, Texas.
Search flight deals

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

    The distance between Washington, D.C. and Harlingen Valley Intl is about 1482.9 mi. By plane, this route typically takes 5h 20m.

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

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

  • How many operators does momondo search for flights from Washington, D.C. to Harlingen Valley Intl Airport?

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

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

    The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. to Harlingen, Texas

Compare and see reviews for airlines that fly from Washington, D.C. to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Harlingen. momondo saves you time and could save you money on your trip.

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 you have performed a search for Washington, D.C. to Harlingen 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 Washington, D.C. to Harlingen right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Harlingen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Harlingen and let you know when they change.

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