Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from District of Columbia to Harlingen from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Harlingen departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Find the cheapest flights from District of Columbia to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 7:56 pm
DCA
-
HRL
6h 11m
1 stop
United Airlines Logo
5:25 pm - 11:50 pm
HRL
-
DCA
5h 25m
1 stop
$254United Airlines
Mon, Mar 23 - Thu, Mar 26
United Airlines Logo
12:55 pm - 7:29 pm
DCA
-
HRL
7h 34m
1 stop
United Airlines Logo
2:00 pm - 10:14 pm
HRL
-
DCA
7h 14m
1 stop
$302United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
12:47 pm - 7:58 pm
DCA
-
HRL
8h 11m
1 stop
United Airlines Logo
9:20 am - 6:44 pm
HRL
-
DCA
8h 24m
1 stop
$353United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
6:00 am - 11:16 am
IAD
-
HRL
6h 16m
1 stop
United Airlines Logo
5:25 pm - 11:51 pm
HRL
-
IAD
5h 26m
1 stop
$355United Airlines
Mon, Mar 23 - Thu, Mar 26
United Airlines Logo
2:53 pm - 7:29 pm
DCA
-
HRL
5h 36m
1 stop
United Airlines Logo
5:16 pm - 11:59 pm
HRL
-
DCA
5h 43m
1 stop
$369United Airlines
Wed, Jun 17 - Wed, Jun 24
Southwest Logo
6:05 am - 12:05 pm
DCA
-
HRL
7h 00m
1 stop
Southwest Logo
7:05 am - 3:55 pm
HRL
-
DCA
7h 50m
2 stops
$374Southwest
Wed, Jul 15 - Wed, Jul 22
Southwest Logo
6:10 am - 1:30 pm
DCA
-
HRL
8h 20m
2 stops
Southwest Logo
7:05 am - 3:55 pm
HRL
-
DCA
7h 50m
2 stops
$379Southwest
Wed, Jul 15 - Wed, Jul 22
Southwest Logo
1:55 pm - 9:50 pm
DCA
-
HRL
8h 55m
1 stop
Southwest Logo
5:45 am - 12:05 pm
HRL
-
DCA
5h 20m
1 stop
$389Southwest
Wed, Feb 25 - Sun, Mar 1
Southwest Logo
3:35 pm - 11:30 pm
DCA
-
HRL
8h 55m
2 stops
Southwest Logo
5:45 am - 12:05 pm
HRL
-
DCA
5h 20m
1 stop
$394Southwest
Sun, Feb 22 - Thu, Feb 26
American Airlines Logo
6:00 am - 2:14 pm
IAD
-
HRL
9h 14m
1 stop
American Airlines Logo
2:45 pm - 10:53 pm
HRL
-
IAD
7h 08m
1 stop
$414American Airlines
Sun, Feb 22 - Thu, Feb 26

Southwest flights from District of Columbia to Harlingen, Texas

Our best Southwest deals on District of Columbia to Harlingen, Texas flight tickets
Southwest
Jul 15
DCA6:05 amWashington, D.C. Reagan-National
7h 00m
1 stop
HRL12:05 pmHarlingen Valley Intl
Jul 22
HRL7:05 amHarlingen Valley Intl
7h 50m
2 stops
DCA3:55 pmWashington, D.C. Reagan-National
$374
Southwest
Jul 15
DCA6:10 amWashington, D.C. Reagan-National
8h 20m
2 stops
HRL1:30 pmHarlingen Valley Intl
Jul 22
HRL7:05 amHarlingen Valley Intl
7h 50m
2 stops
DCA3:55 pmWashington, D.C. Reagan-National
$379
Southwest
Feb 25
DCA1:55 pmWashington, D.C. Reagan-National
8h 55m
1 stop
HRL9:50 pmHarlingen Valley Intl
Mar 1
HRL5:45 amHarlingen Valley Intl
5h 20m
1 stop
DCA12:05 pmWashington, D.C. Reagan-National
$389

American Airlines flights from District of Columbia to Harlingen, Texas

Our best American Airlines deals on District of Columbia to Harlingen, Texas flight tickets
American Airlines
Feb 22
IAD6:00 amWashington, D.C. Dulles Intl
9h 14m
1 stop
HRL2:14 pmHarlingen Valley Intl
Feb 26
HRL2:45 pmHarlingen Valley Intl
7h 08m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$414
American Airlines
Feb 9
DCA5:08 pmWashington, D.C. Reagan-National
7h 13m
1 stop
HRL11:21 pmHarlingen Valley Intl
Feb 11
HRL6:02 amHarlingen Valley Intl
7h 22m
2 stops
DCA2:24 pmWashington, D.C. Reagan-National
$474
American Airlines
Feb 25
IAD5:37 pmWashington, D.C. Dulles Intl
6h 26m
1 stop
HRL11:03 pmHarlingen Valley Intl
Mar 1
HRL10:42 amHarlingen Valley Intl
6h 36m
1 stop
IAD6:18 pmWashington, D.C. Dulles Intl
$680

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 February 9, 2026.
Use the filters below to find and compare flights from District of Columbia 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

Mon 3/23

2:45 pm-7:56 pm

1 stop6h 11m

Harlingen Valley Intl

Thu 3/26

5:25 pm-11:50 pm

1 stop5h 25m

$254

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 7/15

12:55 pm-7:29 pm

1 stop7h 34m

Harlingen Valley Intl

Wed 7/22

2:00 pm-10:14 pm

1 stop7h 14m

$302

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sun 2/22

12:47 pm-7:58 pm

1 stop8h 11m

Harlingen Valley Intl

Thu 2/26

9:20 am-6:44 pm

1 stop8h 24m

$353

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 3/23

6:00 am-11:16 am

1 stop6h 16m

Harlingen Valley Intl

Thu 3/26

5:25 pm-11:51 pm

1 stop5h 26m

$355

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 6/17

2:53 pm-7:29 pm

1 stop5h 36m

Harlingen Valley Intl

Wed 6/24

5:16 pm-11:59 pm

1 stop5h 43m

$369

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 7/15

6:05 am-12:05 pm

1 stop7h 00m

Harlingen Valley Intl

Wed 7/22

7:05 am-3:55 pm

2 stops7h 50m

$374

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 7/15

6:10 am-1:30 pm

2 stops8h 20m

Harlingen Valley Intl

Wed 7/22

7:05 am-3:55 pm

2 stops7h 50m

$379

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Wed 2/25

1:55 pm-9:50 pm

1 stop8h 55m

Harlingen Valley Intl

Sun 3/1

5:45 am-12:05 pm

1 stop5h 20m

$389

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sun 2/22

3:35 pm-11:30 pm

2 stops8h 55m

Harlingen Valley Intl

Thu 2/26

5:45 am-12:05 pm

1 stop5h 20m

$394

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sun 2/22

6:00 am-2:14 pm

1 stop9h 14m

Harlingen Valley Intl

Thu 2/26

2:45 pm-10:53 pm

1 stop7h 08m

$414

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Harlingen from

How to get the cheapest flight ticket from District of Columbia 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

Can stopping save me money on District of Columbia to Harlingen, Texas flights?

You could potentially save up to 27% on your flight if you consider stops on a District of Columbia to Harlingen, Texas flight.

Cheap District of Columbia to Harlingen, Texas flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Harlingen, Texas

Fastest flight time

5h 36m

Direct flights

None
The fastest flight from District of Columbia to Harlingen, Texas takes 5h 36m
There are no direct flights from District of Columbia to Harlingen, Texas. There are no popular flight routes from District of Columbia to Harlingen, Texas.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Harlingen Valley Intl Airport?

    Prices for flights from District of Columbia to Harlingen Valley Intl Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia 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.

Best airlines flying from District of Columbia to Harlingen, Texas

Compare and see reviews for airlines that fly from District of Columbia to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $228Free CancellationRating
8.0
4,282 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Harlingen?

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

Can I find flights from District of Columbia to Harlingen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to Harlingen flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to Harlingen?

momondo helps you find the best flight between District of Columbia and Harlingen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Harlingen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Harlingen from District of Columbia. 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.

An easier way to manage your Harlingen, Texas 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
Wed 3/11
Wed 3/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States