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

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $194. Delta flights start at $195 while deals on United Airlines start at $350 one-way.

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

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

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

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Our data shows that March tends to be the cheapest month to fly to Harlingen, Texas from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $445 for the month, but tickets can be as low as $338. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Harlingen, Texas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flights, Cheapflights users trust Expedia the most. Expedia 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. Dulles Intl Airport-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. Dulles Intl?

Located just 3.7 mi from the city center, Harlingen Valley Intl is the airport most travelers will use when flying to Harlingen from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Valley Intl (HRL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

Can I find deals for flights from Dulles Intl to Harlingen that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Harlingen?

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

Can I find deals for business class flights from Dulles Intl to Harlingen?

Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Harlingen, TX

Q: What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Harlingen, Texas round-trip?

According to our current data, United Airlines ($319), and American Airlines ($389) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Harlingen, Texas. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

Q: What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Dulles Intl Airport 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.

Q: E

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.

Q: E

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).

Q: What is the cheapest time of day to fly from IAD to HRL?

When flying from Washington, D.C. Dulles Intl Airport to Harlingen, Texas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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Cheap flight deals from Dulles Intl to Harlingen

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$319 (United Airlines)
One-way from	$194 (American Airlines)
Popular in	May
Cheapest in	November
Average price	$323

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

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

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From Washington, D.C. Dulles Intl to Harlingen Valley Intl

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One-way flight from Washington, D.C. Dulles Intl to Harlingen Valley Intl

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Highest demand for flights based on searches. 17% potential increase in price ($97 potential increase over avg. RT price).

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Cheapest flight prices on average. 10% potential price decrease ($43 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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Find flight deals from Dulles Intl to Harlingen

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

Thu 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

Mon 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

Thu 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

Sun 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

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

Thu 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

Mon 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

Thu 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

Sun 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

Last-minute flights from Dulles Intl to Harlingen
Discover last-minute flight deals from Dulles Intl to Harlingen. Data last updated February 20, 2025 and is based on user searches.

Thu 2/276:12 amIAD - HRL

1 stop6h 29mAmerican Airlines

Sun 3/24:30 pmHRL - IAD

1 stop5h 03mAmerican Airlines

Deal found 2/18

$389

Thu 2/278:25 amIAD - HRL

1 stop8h 44mUnited Airlines

Sun 3/25:15 amHRL - IAD

1 stop5h 17mUnited Airlines

Deal found 2/19

$515

Thu 3/68:25 amIAD - HRL

1 stop6h 04mUnited Airlines

Mon 3/104:55 pmHRL - IAD

1 stop5h 53mUnited Airlines

Deal found 2/19

$319

One-way flights from Dulles Intl to Harlingen
Search for one-way flight options from Dulles Intl to Harlingen. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Wed 3/55:13 pmIAD - HRL

1 stop6h 17mAmerican Airlines

Deal found 2/20

$194

Thu 2/276:05 amIAD - HRL

1 stop9h 43mDelta

Deal found 2/20

$195

Fri 2/285:30 pmIAD - HRL

1 stop6h 45mUnited Airlines

Deal found 2/20

$350

Find flights from Dulles Intl to Harlingen within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 3/6

8:25 am-1:29 pm

1 stop6h 04m

Harlingen Valley Intl

Mon 3/10

4:55 pm-11:48 pm

1 stop5h 53m

$319

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Thu 2/27

6:12 am-11:41 am

1 stop6h 29m

Harlingen Valley Intl

Sun 3/2

4:30 pm-10:33 pm

1 stop5h 03m

$389

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 4/23

6:18 am-11:30 am

1 stop6h 12m

$105

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Wed 3/5

6:05 am-2:48 pm

1 stop9h 43m

$160

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 2/28

5:30 pm-11:15 pm

1 stop6h 45m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Harlingen, Texas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flights, Cheapflights users trust Expedia the most. Expedia 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. Dulles Intl Airport-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 Dulles Intl to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Dulles Intl 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 Dulles Intl to Harlingen

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

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to HRL?

When flying from Washington, D.C. Dulles Intl Airport to Harlingen, Texas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,219 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,765 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Harlingen from Washington, D.C. Dulles Intl?
Located just 3.7 mi from the city center, Harlingen Valley Intl is the airport most travelers will use when flying to Harlingen from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Valley Intl (HRL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Harlingen, Texas round-trip?
According to our current data, United Airlines ($319), and American Airlines ($389) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Harlingen, Texas. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Harlingen, Texas one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $194. Delta flights start at $195 while deals on United Airlines start at $350 one-way.
Can I find deals for flights from Dulles Intl to Harlingen that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Harlingen.
Can I find deals for business class flights from Dulles Intl to Harlingen?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas (average of $267). Flying from Washington, D.C. Dulles Intl Airport 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

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Top airline flying from Dulles Intl to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$258	Average$481	FlexibilityNo cancel fee	On-time69%

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$105+ Cheap flights from Dulles Intl (IAD) 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Harlingen with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Dulles Intl to Harlingen

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Find flight deals from Dulles Intl to Harlingen

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

Explore the most affordable flight options available from Dulles Intl to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from Dulles Intl to Harlingen within your budget

Best time to book a flight from Dulles Intl to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Dulles Intl with our price prediction graph.

Travel insights for flights from Dulles Intl to Harlingen

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

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

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

Find hourly flight availability from Dulles Intl 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 February 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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

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

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

Can I find deals for flights from Dulles Intl to Harlingen that include hotel bookings?

How can I find direct flights from Dulles Intl to Harlingen?

Can I find deals for business class flights from Dulles Intl to Harlingen?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Harlingen

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Top airline flying from Dulles Intl to Harlingen

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