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Cheap flights from District of Columbia to Harlingen from $200

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 6/19. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from District of Columbia to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:40 am - 1:31 pm
DCA
-
HRL
6h 51m
1 stop
Delta Logo
2:00 pm - 11:29 pm
HRL
-
DCA
8h 29m
1 stop
$297Delta
Tue, Nov 3 - Tue, Nov 10
Delta Logo
6:10 am - 1:31 pm
DCA
-
HRL
8h 21m
1 stop
Delta Logo
2:00 pm - 11:29 pm
HRL
-
DCA
8h 29m
1 stop
$306Delta
Tue, Nov 3 - Thu, Nov 12
Delta Logo
6:10 am - 1:31 pm
DCA
-
HRL
8h 21m
1 stop
Delta Logo
2:00 pm - 10:53 pm
HRL
-
DCA
7h 53m
2 stops
$311Delta
Tue, Nov 3 - Sat, Nov 7
Delta Logo
6:10 am - 1:31 pm
DCA
-
HRL
8h 21m
1 stop
Delta Logo
2:00 pm - 10:14 pm
HRL
-
DCA
7h 14m
1 stop
$313Delta
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
1:44 pm - 7:34 pm
DCA
-
HRL
6h 50m
1 stop
American Airlines Logo
4:58 pm - 11:59 pm
HRL
-
DCA
6h 01m
1 stop
$318American Airlines
Mon, Jul 13 - Tue, Jul 28
United Airlines Logo
10:58 am - 3:59 pm
DCA
-
HRL
6h 01m
1 stop
United Airlines Logo
1:59 pm - 10:13 pm
HRL
-
DCA
7h 14m
1 stop
$323United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
6:30 am - 1:24 pm
IAD
-
HRL
7h 54m
1 stop
United Airlines Logo
5:18 pm - 11:55 pm
HRL
-
IAD
5h 37m
1 stop
$339United Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
7:31 pm - 12:05 am
IAD
-
HRL
5h 34m
1 stop
American Airlines Logo
10:45 am - 12:10 am
HRL
-
IAD
12h 25m
2 stops
$400American Airlines
Mon, Jul 13 - Tue, Jul 28
United Airlines Logo
5:15 pm - 9:44 pm
IAD
-
HRL
5h 29m
1 stop
United Airlines Logo
12:10 pm - 9:12 pm
HRL
-
IAD
8h 02m
1 stop
$403United Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
7:31 pm - 12:05 am
IAD
-
HRL
5h 34m
1 stop
American Airlines Logo
10:45 am - 12:10 am
HRL
-
IAD
12h 25m
2 stops
$417American Airlines
Mon, Jul 13 - Tue, Jul 28

United Airlines flights from District of Columbia to Harlingen

Our best United Airlines deals on District of Columbia to Harlingen flight tickets
United Airlines
Aug 29
DCA10:58 amWashington, D.C. Reagan-National
6h 01m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 1
HRL1:59 pmHarlingen Valley Intl
7h 14m
1 stop
DCA10:13 pmWashington, D.C. Reagan-National
$323
United Airlines
Aug 27
DCA10:58 amWashington, D.C. Reagan-National
6h 01m
1 stop
HRL3:59 pmHarlingen Valley Intl
Aug 31
HRL5:18 pmHarlingen Valley Intl
5h 41m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$339
United Airlines
Aug 29
DCA10:58 amWashington, D.C. Reagan-National
6h 01m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 1
HRL1:59 pmHarlingen Valley Intl
7h 14m
1 stop
DCA10:13 pmWashington, D.C. Reagan-National
$379

American Airlines flights from District of Columbia to Harlingen

Our best American Airlines deals on District of Columbia to Harlingen flight tickets
American Airlines
Jul 13
DCA1:44 pmWashington, D.C. Reagan-National
6h 50m
1 stop
HRL7:34 pmHarlingen Valley Intl
Jul 28
HRL4:58 pmHarlingen Valley Intl
6h 01m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$318
American Airlines
Jul 13
DCA1:44 pmWashington, D.C. Reagan-National
6h 50m
1 stop
HRL7:34 pmHarlingen Valley Intl
Jul 28
HRL4:58 pmHarlingen Valley Intl
6h 01m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$360
American Airlines
Jul 13
IAD7:31 pmWashington, D.C. Dulles Intl
5h 34m
1 stop
HRL12:05 amHarlingen Valley Intl
Jul 28
HRL10:45 amHarlingen Valley Intl
12h 25m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$400

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Harlingen 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 June 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 11/3

7:40 am-1:31 pm

1 stop6h 51m

Harlingen Valley Intl

Tue 11/10

2:00 pm-11:29 pm

1 stop8h 29m

$297

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 11/3

6:10 am-1:31 pm

1 stop8h 21m

Harlingen Valley Intl

Thu 11/12

2:00 pm-11:29 pm

1 stop8h 29m

$306

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Tue 11/3

6:10 am-1:31 pm

1 stop8h 21m

Harlingen Valley Intl

Sat 11/7

2:00 pm-10:53 pm

2 stops7h 53m

$311

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 11/6

6:10 am-1:31 pm

1 stop8h 21m

Harlingen Valley Intl

Tue 11/10

2:00 pm-10:14 pm

1 stop7h 14m

$313
Quickest round-trip

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Mon 7/13

1:44 pm-7:34 pm

1 stop6h 50m

Harlingen Valley Intl

Tue 7/28

4:58 pm-11:59 pm

1 stop6h 01m

$318

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 8/29

10:58 am-3:59 pm

1 stop6h 01m

Harlingen Valley Intl

Tue 9/1

1:59 pm-10:13 pm

1 stop7h 14m

$323

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 8/27

6:30 am-1:24 pm

1 stop7h 54m

Harlingen Valley Intl

Mon 8/31

5:18 pm-11:55 pm

1 stop5h 37m

$339

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 7/13

7:31 pm-12:05 am

1 stop5h 34m

Harlingen Valley Intl

Tue 7/28

10:45 am-12:10 am

2 stops12h 25m

$400

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 10/31

5:15 pm-9:44 pm

1 stop5h 29m

Harlingen Valley Intl

Wed 11/4

12:10 pm-9:12 pm

1 stop8h 02m

$403

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Mon 7/13

7:31 pm-12:05 am

1 stop5h 34m

Harlingen Valley Intl

Tue 7/28

10:45 am-12:10 am

2 stops12h 25m

$417

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from District of Columbia to Harlingen

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 flights?

You could potentially save up to 17% on your flight if you consider stops on a District of Columbia to Harlingen flight.

Cheap District of Columbia to Harlingen flight deals and tips

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

Fastest flight time

5h 20m

Direct flights

None
The fastest flight from District of Columbia to Harlingen takes 5h 20m
There are no direct flights from District of Columbia to Harlingen. There are no popular flight routes from District of Columbia to Harlingen.
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Frequently asked questions about flying from District of Columbia to Harlingen

  • 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

Compare and see reviews for airlines that fly from District of Columbia to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $266Free CancellationRating
8.0
4,255 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.

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