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Cheap flights from District of Columbia to Harlingen from $211

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 12/1. 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

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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.
American Airlines Logo
8:40 am - 2:49 pmDCA-HRL
7h 09m1 stop
American Airlines Logo
3:22 pm - 11:00 pmHRL-DCA
6h 38m1 stop
$261American Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 20
American Airlines Logo
10:37 am - 4:09 pmDCA-HRL
6h 32m1 stop
American Airlines Logo
4:14 pm - 12:55 amHRL-DCA
7h 41m1 stop
$269American Airlines
Find Deal
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
5:26 pm - 11:59 pmIAD-HRL
7h 33m1 stop
American Airlines Logo
4:14 pm - 10:19 pmHRL-IAD
5h 05m1 stop
$274American Airlines
Find Deal
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
9:35 am - 6:14 pmDCA-HRL
9h 39m2 stops
American Airlines Logo
3:22 pm - 11:00 pmHRL-DCA
6h 38m1 stop
$287American Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 20
American Airlines Logo
5:00 am - 11:32 amDCA-HRL
7h 32m2 stops
American Airlines Logo
4:14 pm - 12:55 amHRL-DCA
7h 41m1 stop
$328American Airlines
Find Deal
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
12:50 pm - 8:01 pmIAD-HRL
8h 11m1 stop
United Airlines Logo
12:10 pm - 8:49 pmHRL-IAD
7h 39m1 stop
$331United Airlines
Find Deal
Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
4:59 pm - 11:21 pmDCA-HRL
7h 22m1 stop
American Airlines Logo
3:22 pm - 11:00 pmHRL-DCA
6h 38m1 stop
$331American Airlines
Find Deal
Sat, Jan 31 - Tue, Feb 3
Southwest Logo
1:00 pm - 9:35 pmDCA-HRL
9h 35m2 stops
Southwest Logo
7:10 am - 2:50 pmHRL-DCA
6h 40m2 stops
$399Southwest
Find Deal
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
6:03 am - 11:26 amIAD-HRL
6h 23m1 stop
United Airlines Logo
5:25 pm - 4:06 pmHRL-IAD
21h 41m2 stops
$417United Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 19
United Airlines Logo
6:03 am - 11:26 amIAD-HRL
6h 23m1 stop
United Airlines Logo
12:10 pm - 10:18 pmHRL-IAD
9h 08m1 stop
$519United Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 19

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
Jan 9
DCA8:40 amWashington, D.C. Reagan-National
7h 09m
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
$261
Find similar
American Airlines
Apr 18
DCA10:37 amWashington, D.C. Reagan-National
6h 32m
1 stop
HRL4:09 pmHarlingen Valley Intl
Apr 21
HRL4:14 pmHarlingen Valley Intl
7h 41m
1 stop
DCA12:55 amWashington, D.C. Reagan-National
$269
Find similar
American Airlines
Apr 18
IAD5:26 pmWashington, D.C. Dulles Intl
7h 33m
1 stop
HRL11:59 pmHarlingen Valley Intl
Apr 21
HRL4:14 pmHarlingen Valley Intl
5h 05m
1 stop
IAD10:19 pmWashington, D.C. Dulles Intl
$274
Find similar

United Airlines flights from District of Columbia to Harlingen, Texas

Our best United Airlines deals on District of Columbia to Harlingen, Texas flight tickets
United Airlines
Feb 3
IAD12:50 pmWashington, D.C. Dulles Intl
8h 11m
1 stop
HRL8:01 pmHarlingen Valley Intl
Feb 7
HRL12:10 pmHarlingen Valley Intl
7h 39m
1 stop
IAD8:49 pmWashington, D.C. Dulles Intl
$331
Find similar
United Airlines
Jan 9
IAD6:03 amWashington, D.C. Dulles Intl
6h 23m
1 stop
HRL11:26 amHarlingen Valley Intl
Jan 19
HRL5:25 pmHarlingen Valley Intl
21h 41m
2 stops
IAD4:06 pmWashington, D.C. Dulles Intl
$417
Find similar
United Airlines
Jan 9
IAD6:03 amWashington, D.C. Dulles Intl
6h 23m
1 stop
HRL11:26 amHarlingen Valley Intl
Jan 19
HRL12:10 pmHarlingen Valley Intl
9h 08m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
$519
Find similar

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 November 24, 2025.
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

Fri 1/9

8:40 am-2:49 pm

1 stop7h 09m

Harlingen Valley Intl

Tue 1/20

3:22 pm-11:00 pm

1 stop6h 38m

$261

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 4/18

10:37 am-4:09 pm

1 stop6h 32m

Harlingen Valley Intl

Tue 4/21

4:14 pm-12:55 am

1 stop7h 41m

$269

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Sat 4/18

5:26 pm-11:59 pm

1 stop7h 33m

Harlingen Valley Intl

Tue 4/21

4:14 pm-10:19 pm

1 stop5h 05m

$274

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Fri 1/9

9:35 am-6:14 pm

2 stops9h 39m

Harlingen Valley Intl

Tue 1/20

3:22 pm-11:00 pm

1 stop6h 38m

$287

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 4/18

5:00 am-11:32 am

2 stops7h 32m

Harlingen Valley Intl

Tue 4/21

4:14 pm-12:55 am

1 stop7h 41m

$328

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Tue 2/3

12:50 pm-8:01 pm

1 stop8h 11m

Harlingen Valley Intl

Sat 2/7

12:10 pm-8:49 pm

1 stop7h 39m

$331

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 1/31

4:59 pm-11:21 pm

1 stop7h 22m

Harlingen Valley Intl

Tue 2/3

3:22 pm-11:00 pm

1 stop6h 38m

$331

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

Sat 4/18

1:00 pm-9:35 pm

2 stops9h 35m

Harlingen Valley Intl

Tue 4/21

7:10 am-2:50 pm

2 stops6h 40m

$399

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 1/9

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Mon 1/19

5:25 pm-4:06 pm

2 stops21h 41m

$417

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 1/9

6:03 am-11:26 am

1 stop6h 23m

Harlingen Valley Intl

Mon 1/19

12:10 pm-10:18 pm

1 stop9h 08m

$519

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, 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 District of Columbia 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 District of Columbia 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 District of Columbia to Harlingen, Texas flights?

You could potentially save up to 36% 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

Direct flights

None
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.
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  • 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
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,252 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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