What are the cheapest airlines flying from Washington, D.C. to Harlingen, Texas round-trip?

Flying on American Airlines is currently your cheapest option to Harlingen, Texas, with prices starting at $234. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $253 and $319, respectively. You may be able to fly from Washington, D.C. to Harlingen, Texas for 47% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Harlingen, Texas one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $115. American Airlines flights start at $120 while deals on Delta start at $195 one-way.

What is the cheapest day to fly from Washington, D.C. to Harlingen, Texas?

Travelers seeking maximum savings on their Washington, D.C. to Harlingen, Texas flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to Harlingen, Texas?

While some choose either Washington, D.C. Reagan-National - Harlingen Valley Intl or Baltimore/Washington - Harlingen Valley Intl, Washington, D.C. Dulles Intl - Harlingen Valley Intl is the most popular route from Washington, D.C. to Harlingen, Texas.

What is the cheapest day to fly round-trip from Washington, D.C. to Harlingen, Texas?

Travelers have found that booking a Tuesday departure is the best way to save up to 45% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Washington, D.C. to Harlingen, Texas?

March is one of the best times of the year to fly to Harlingen, Texas from Washington, D.C.. Prices for March average $445 per person but you can even find prices for as low as $338. The most expensive prices can be found in the month of July. Opting for a March flight can save you 41% on your journey compared to booking in July

Most accurate provider : When it comes to deals on Washington, D.C.-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Harlingen, Texas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Harlingen, Texas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Harlingen from Washington, D.C.?

Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Harlingen. 3 airlines have flights to Valley Intl from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Harlingen Valley Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

Can I find deals for flights from Washington, D.C. to Harlingen that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Harlingen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Harlingen.

Can I find deals for business class flights from Washington, D.C. to Harlingen?

Yes. Cheapflights offers flight deals from Washington, D.C. to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$105+ Flights from Washington, D.C. to Harlingen, TX

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington, D.C. to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$234 (American Airlines)
One-way from	$115 (United Airlines)
Popular in	July
Cheapest in	March
Average price	$454

Provider with most accurate pricing for Washington, D.C. (WAS)-Harlingen Valley Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Harlingen Valley Intl flights.

Search Deals

From Washington, D.C. (WAS) to Harlingen Valley Intl

Search Deals

One-way flight from Washington, D.C. (WAS) to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Washington, D.C. to Harlingen

Cheapest flights from Washington, D.C. to Harlingen
Explore the most affordable flight options available from Washington, D.C. to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

mié. 4/27:01 pmBWI - HRL

1 stop6h 02mAmerican Airlines

mar. 4/810:21 amHRL - BWI

2 stops10h 28mAmerican Airlines

Deal found 2/20

$234

mié. 4/23:10 pmBWI - HRL

1 stop7h 10mSouthwest

mar. 4/810:50 amHRL - BWI

1 stop8h 15mSouthwest

Deal found 2/20

$253

vie. 3/75:00 amDCA - HRL

1 stop7h 41mAmerican Airlines

mar. 3/114:32 pmHRL - DCA

1 stop7h 18mAmerican Airlines

Deal found 2/20

$318

jue. 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

lun. 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

jue. 5/811:05 amDCA - HRL

1 stop5h 59mUnited Airlines

sáb. 5/102:14 pmHRL - DCA

1 stop5h 33mUnited Airlines

Deal found 2/20

$330

jue. 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

dom. 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

vie. 4/1110:45 amDCA - HRL

2 stops8h 25mSouthwest

mar. 4/152:55 pmHRL - DCA

1 stop7h 00mSouthwest

Deal found 2/20

$433

mié. 3/196:00 amBWI - HRL

1 stop8h 29mUnited Airlines

dom. 3/232:05 pmHRL - BWI

1 stop7h 38mUnited Airlines

Deal found 2/20

$440

vie. 3/76:00 amBWI - HRL

2 stops9h 48mDelta

mar. 3/112:34 pmHRL - BWI

1 stop8h 19mDelta

Deal found 2/20

$498

jue. 3/69:51 pmBWI - HRL

2 stops22h 54mMultiple Airlines

lun. 3/1011:46 amHRL - BWI

2 stops11h 13mMultiple Airlines

Deal found 2/19

$911

Best flights from Washington, D.C. to Harlingen
Discover carefully curated flight deals from Washington, D.C. to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 20, 2025.

mié. 4/27:01 pmBWI - HRL

1 stop6h 02mAmerican Airlines

mar. 4/810:21 amHRL - BWI

2 stops10h 28mAmerican Airlines

Deal found 2/20

$234

mié. 4/23:10 pmBWI - HRL

1 stop7h 10mSouthwest

mar. 4/810:50 amHRL - BWI

1 stop8h 15mSouthwest

Deal found 2/20

$253

jue. 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

lun. 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

vie. 3/76:00 amBWI - HRL

2 stops9h 48mDelta

mar. 3/112:34 pmHRL - BWI

1 stop8h 19mDelta

Deal found 2/20

$498

jue. 3/65:00 amDCA - HRL

1 stop7h 41mAmerican Airlines

lun. 3/104:32 pmHRL - DCA

1 stop7h 18mAmerican Airlines

Deal found 2/19

$319

lun. 5/128:05 amDCA - HRL

1 stop6h 19mUnited Airlines

sáb. 5/242:07 pmHRL - DCA

1 stop7h 08mUnited Airlines

Deal found 2/19

$362

jue. 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

dom. 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

jue. 3/69:51 pmBWI - HRL

2 stops22h 54mMultiple Airlines

lun. 3/1011:46 amHRL - BWI

2 stops11h 13mMultiple Airlines

Deal found 2/19

$911

mié. 3/196:00 amBWI - HRL

1 stop8h 29mUnited Airlines

dom. 3/232:05 pmHRL - BWI

1 stop7h 38mUnited Airlines

Deal found 2/20

$440

sáb. 4/1211:05 amDCA - HRL

2 stops10h 15mSouthwest

mar. 4/1511:45 amHRL - DCA

2 stops9h 40mSouthwest

Deal found 2/20

$534

Last-minute flights from Washington, D.C. to Harlingen
Discover last-minute flight deals from Washington, D.C. to Harlingen. Data last updated febrero 20, 2025 and is based on user searches.

vie. 2/219:35 amBWI - HRL

1 stop8h 10mSouthwest

mar. 2/2512:30 pmHRL - BWI

1 stop6h 10mSouthwest

Deal found 2/18

$464

jue. 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

dom. 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

jue. 2/2711:54 amDCA - HRL

1 stop8h 35mAmerican Airlines

dom. 3/24:30 pmHRL - DCA

1 stop7h 15mAmerican Airlines

Deal found 2/18

$414

jue. 2/278:25 amIAD - HRL

1 stop8h 44mUnited Airlines

dom. 3/25:15 amHRL - IAD

1 stop5h 17mUnited Airlines

Deal found 2/19

$515

jue. 3/65:00 amDCA - HRL

1 stop7h 41mAmerican Airlines

lun. 3/104:32 pmHRL - DCA

1 stop7h 18mAmerican Airlines

Deal found 2/19

$319

jue. 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

lun. 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

jue. 3/66:25 amDCA - HRL

2 stops10h 39mUnited Airlines

lun. 3/104:55 pmHRL - DCA

1 stop6h 04mUnited Airlines

Deal found 2/19

$519

jue. 3/69:51 pmBWI - HRL

2 stops22h 54mMultiple Airlines

lun. 3/1011:46 amHRL - BWI

2 stops11h 13mMultiple Airlines

Deal found 2/19

$911

vie. 3/76:03 amBWI - HRL

1 stop6h 38mAmerican Airlines

mar. 3/114:32 pmHRL - BWI

1 stop5h 26mAmerican Airlines

Deal found 2/20

$328

vie. 3/76:00 amBWI - HRL

2 stops9h 48mDelta

mar. 3/112:34 pmHRL - BWI

1 stop8h 19mDelta

Deal found 2/20

$498

mié. 3/196:00 amBWI - HRL

1 stop8h 29mUnited Airlines

dom. 3/232:05 pmHRL - BWI

1 stop7h 38mUnited Airlines

Deal found 2/20

$440

One-way flights from Washington, D.C. to Harlingen
Search for one-way flight options from Washington, D.C. to Harlingen. Find affordable one-way fares based on user searches. Data last updated febrero 20, 2025.

mié. 4/2312:35 pmBWI - HRL

1 stop8h 09mUnited Airlines

Deal found 2/19

$115

mié. 4/236:40 amBWI - HRL

2 stops10h 21mAmerican Airlines

Deal found 2/19

$120

mié. 3/55:13 pmIAD - HRL

1 stop6h 17mAmerican Airlines

Deal found 2/20

$194

vie. 2/289:31 amDCA - HRL

1 stop7h 29mAmerican Airlines

Deal found 2/20

$195

jue. 2/276:05 amIAD - HRL

1 stop9h 43mDelta

Deal found 2/20

$195

jue. 2/276:00 amBWI - HRL

1 stop9h 48mDelta

Deal found 2/20

$215

mié. 4/235:50 amBWI - HRL

3 stops30h 28mMultiple Airlines

Deal found 2/19

$224

lun. 2/247:34 amDCA - HRL

1 stop7h 17mDelta

Deal found 2/19

$225

vie. 2/286:10 amDCA - HRL

2 stops10h 05mSouthwest

Deal found 2/20

$300

sáb. 3/16:00 amDCA - HRL

1 stop6h 17mUnited Airlines

Deal found 2/20

$350

vie. 2/285:30 pmIAD - HRL

1 stop6h 45mUnited Airlines

Deal found 2/20

$350

Find flights from Washington, D.C. to Harlingen within your budget

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

mié. 4/2

7:01 pm-12:03 am

1 stop6h 02m

Harlingen Valley Intl

mar. 4/8

10:21 am-9:49 pm

2 stops10h 28m

$234

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

mié. 4/2

3:10 pm-9:20 pm

1 stop7h 10m

Harlingen Valley Intl

mar. 4/8

10:50 am-8:05 pm

1 stop8h 15m

$253

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

vie. 3/7

5:00 am-11:41 am

1 stop7h 41m

Harlingen Valley Intl

mar. 3/11

4:32 pm-12:50 am

1 stop7h 18m

$318

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

jue. 3/6

8:25 am-1:29 pm

1 stop6h 04m

Harlingen Valley Intl

lun. 3/10

4:55 pm-11:48 pm

1 stop5h 53m

$319

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

jue. 5/8

11:05 am-4:04 pm

1 stop5h 59m

Harlingen Valley Intl

sáb. 5/10

2:14 pm-8:47 pm

1 stop5h 33m

$330

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

jue. 2/27

6:12 am-11:41 am

1 stop6h 29m

Harlingen Valley Intl

dom. 3/2

4:30 pm-10:33 pm

1 stop5h 03m

$389

Washington, D.C.Harlingen

DCA - HRL

DCAHRL

Washington, D.C. Reagan-National

vie. 4/11

10:45 am-6:10 pm

2 stops8h 25m

Harlingen Valley Intl

mar. 4/15

2:55 pm-10:55 pm

1 stop7h 00m

$433

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

mié. 3/19

6:00 am-1:29 pm

1 stop8h 29m

Harlingen Valley Intl

dom. 3/23

2:05 pm-10:43 pm

1 stop7h 38m

$440

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

vie. 3/7

6:00 am-2:48 pm

2 stops9h 48m

Harlingen Valley Intl

mar. 3/11

2:34 pm-11:53 pm

1 stop8h 19m

$498

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

jue. 3/6

9:51 pm-7:45 pm

2 stops22h 54m

Harlingen Valley Intl

lun. 3/10

11:46 am-11:59 pm

2 stops11h 13m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 results

Compare providers for flights from Washington, D.C. to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Harlingen in February.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Harlingen, Texas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Harlingen, Texas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington, D.C. to Harlingen

Get recent, data-driven insights about flights from Washington, D.C. to Harlingen including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Harlingen, Texas (average of $267). Flying from Washington, D.C. to Harlingen, Texas in July is currently the most expensive (average of $420). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to HRL?

One of the essential ways to save on airfare from Washington, D.C. to Harlingen, Texas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

Rainfall in Harlingen by month

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

Temperature in Harlingen by month

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Harlingen

To help decide which airline to fly from Washington, D.C. to Harlingen, see what other customers have to say about Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest

8.1

Very good

4,411 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Delta

8.0

Very good

8,219 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

United Airlines

7.4

Good

8,765 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Related info for your journey

What airport do you fly into for flights to Harlingen from Washington, D.C.?
Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Harlingen. 3 airlines have flights to Valley Intl from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Harlingen Valley Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.
What are the cheapest airlines flying from Washington, D.C. to Harlingen, Texas round-trip?
Flying on American Airlines is currently your cheapest option to Harlingen, Texas, with prices starting at $234. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $253 and $319, respectively. You may be able to fly from Washington, D.C. to Harlingen, Texas for 47% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Harlingen, Texas one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $115. American Airlines flights start at $120 while deals on Delta start at $195 one-way.
What are the most popular routes from Washington, D.C. to Harlingen, Texas?
While some choose either Washington, D.C. Reagan-National - Harlingen Valley Intl or Baltimore/Washington - Harlingen Valley Intl, Washington, D.C. Dulles Intl - Harlingen Valley Intl is the most popular route from Washington, D.C. to Harlingen, Texas.
Can I find deals for flights from Washington, D.C. to Harlingen that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Harlingen.
Can I find deals for business class flights from Washington, D.C. to Harlingen?
Yes. Cheapflights offers flight deals from Washington, D.C. to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Harlingen, Texas (average of $267). Flying from Washington, D.C. to Harlingen, Texas in July is currently the most expensive (average of $420). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Washington, D.C. to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$228	Average$443	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$258	Average$489	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$288	Average$413	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$105+ Cheap flights from Washington, D.C. (WAS) to Harlingen, TX (HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Harlingen

Cheapest flights from Washington, D.C. to HarlingenExplore the most affordable flight options available from Washington, D.C. to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

Explore the most affordable flight options available from Washington, D.C. to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

Find flights from Washington, D.C. to Harlingen within your budget

Compare providers for flights from Washington, D.C. to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Harlingen in February.

Best time to book a flight from Washington, D.C. to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Washington, D.C. with our price prediction graph.

Travel insights for flights from Washington, D.C. to Harlingen

Get recent, data-driven insights about flights from Washington, D.C. to Harlingen including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?

What is the cheapest time of day to fly from WAS to HRL?

Find hourly flight availability from Washington, D.C. to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

Reviews of airlines servicing Harlingen

To help decide which airline to fly from Washington, D.C. to Harlingen, see what other customers have to say about Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Harlingen from Washington, D.C.?

What are the cheapest airlines flying from Washington, D.C. to Harlingen, Texas round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Harlingen, Texas one-way?

What are the most popular routes from Washington, D.C. to Harlingen, Texas?

Can I find deals for flights from Washington, D.C. to Harlingen that include hotel bookings?

How can I find direct flights from Washington, D.C. to Harlingen?

Can I find deals for business class flights from Washington, D.C. to Harlingen?

What is the cheapest month to book a flight from Washington, D.C. to Harlingen, Texas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Washington, D.C. to Harlingen

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Harlingen
Explore the most affordable flight options available from Washington, D.C. to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.