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 February tends to be the cheapest month to fly to Harlingen, Texas from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $454 for the month, but tickets can be as low as $288. 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% 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 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. 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.

$298+ Flights from Washington, D.C. Dulles Intl Airport to Harlingen, TX

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1. Tell us where you want to go

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Cheap flight deals from Dulles Intl to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$298 (American Airlines)
Popular in	May
Cheapest in	November
Average price	$481

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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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 April 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 April 11, 2025.

Fri 4/255:13 pmIAD - HRL

1 stop7h 46mAmerican Airlines

Mon 4/284:32 pmHRL - IAD

1 stop5h 10mAmerican Airlines

Deal found 4/10

$298

Fri 4/256:09 amIAD - HRL

1 stop6h 13mUnited Airlines

Mon 4/282:05 pmHRL - IAD

2 stops16h 22mUnited Airlines

Deal found 4/10

$476

Mon 4/146:00 amIAD - HRL

1 stop8h 46mDelta

Sat 4/1912:59 pmHRL - IAD

1 stop9h 41mDelta

Deal found 4/10

$679

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 April 11, 2025.

Fri 4/255:13 pmIAD - HRL

1 stop7h 46mAmerican Airlines

Mon 4/284:32 pmHRL - IAD

1 stop5h 10mAmerican Airlines

Deal found 4/10

$298

Fri 4/256:09 amIAD - HRL

1 stop6h 13mUnited Airlines

Mon 4/282:05 pmHRL - IAD

2 stops16h 22mUnited Airlines

Deal found 4/10

$476

Last-minute flights from Dulles Intl to Harlingen
Discover last-minute flight deals from Dulles Intl to Harlingen. Data last updated April 11, 2025 and is based on user searches.

Mon 4/146:00 amIAD - HRL

1 stop8h 46mDelta

Sat 4/1912:59 pmHRL - IAD

1 stop9h 41mDelta

Deal found 4/10

$679

Fri 4/255:13 pmIAD - HRL

1 stop7h 46mAmerican Airlines

Mon 4/284:32 pmHRL - IAD

1 stop5h 10mAmerican Airlines

Deal found 4/10

$298

Fri 4/256:09 amIAD - HRL

1 stop6h 13mUnited Airlines

Mon 4/282:05 pmHRL - IAD

2 stops16h 22mUnited Airlines

Deal found 4/10

$476

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 4/25

5:13 pm-11:59 pm

1 stop7h 46m

Harlingen Valley Intl

Mon 4/28

4:32 pm-10:42 pm

1 stop5h 10m

$298

Washington, D.C.Harlingen

IAD - HRL

IADHRL

Washington, D.C. Dulles Intl

Fri 4/25

6:09 am-11:22 am

1 stop6h 13m

Harlingen Valley Intl

Mon 4/28

2:05 pm-7:27 am

2 stops16h 22m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from Dulles Intl to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Harlingen in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	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. Dulles Intl Airport-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. Dulles Intl Airport-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% 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 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. 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Harlingen

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 $414). 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

United Airlines

7.4

Good

8,636 reviews

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

United Airlines

7.4

Good

8,636 reviews

United Airlines

7.4

Good

8,636 reviews

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,636 reviews

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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, American Airlines ($298), and United Airlines ($476) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Harlingen, Texas. American Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.
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 $414). 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 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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$298+ Cheap flights from Dulles Intl (IAD) to Harlingen, TX (HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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 April 11, 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 April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Harlingen that are best for you.

Compare providers for flights from Dulles Intl 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 Dulles Intl to Harlingen in April.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Harlingen

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 April 11, 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?

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

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

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 April 11, 2025.