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Harlingen

$108+ Cheap flights from Washington 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HRL
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Washington to Harlingen

Cheapest flights from Washington to Harlingen
Explore the most affordable flight options available from Washington to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 31, 2025.

This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:23 amSEA - HRL
1 stop6h 55mAmerican Airlines
Wed 2/411:06 amHRL - SEA
1 stop8h 39mAmerican Airlines
Deal found 12/29$383
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:23 amSEA - HRL
1 stop6h 55mAmerican Airlines
Mon 2/26:44 pmHRL - SEA
1 stop7h 07mAmerican Airlines
Deal found 12/29$384
This United Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:54 pmSEA - HRL
2 stops15h 19mUnited Airlines
Mon 2/25:25 pmHRL - SEA
1 stop7h 34mUnited Airlines
Deal found 12/29$398
This United Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:54 pmSEA - HRL
2 stops15h 19mUnited Airlines
Sat 1/319:20 amHRL - SEA
3 stops13h 52mUnited Airlines
Deal found 12/29$408
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:23 amSEA - HRL
1 stop6h 55mAmerican Airlines
Sat 1/316:02 amHRL - SEA
1 stop6h 59mAmerican Airlines
Deal found 12/29$413
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:32 amSEA - HRL
1 stop6h 44mAmerican Airlines
Tue 2/311:06 amHRL - SEA
1 stop8h 39mAmerican Airlines
Deal found 12/29$444
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:32 amSEA - HRL
1 stop6h 44mAmerican Airlines
Fri 1/306:02 amHRL - SEA
1 stop6h 59mAmerican Airlines
Deal found 12/29$445
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:23 amSEA - HRL
1 stop6h 55mAmerican Airlines
Wed 2/411:06 amHRL - SEA
2 stops14h 53mAmerican Airlines
Deal found 12/29$449
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:59 amSEA - HRL
1 stop6h 41mAmerican Airlines
Tue 2/33:22 pmHRL - SEA
1 stop8h 25mAmerican Airlines
Deal found 12/29$458
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:59 amSEA - HRL
1 stop6h 41mAmerican Airlines
Mon 2/26:44 pmHRL - SEA
1 stop7h 07mAmerican Airlines
Deal found 12/29$459

Find flight deals from Washington to Harlingen

Keep the following information in mind while searching for Washington to Harlingen flight deals. Data was last updated December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(American Airlines)

One-way from

$108
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$725
Provider with most accurate pricing for Seattle/Tacoma Intl-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Harlingen Valley Intl flights.
Search Deals
From Washington to Harlingen Valley Intl
Search Deals
One-way flight from Washington to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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, Cheapflights users made 2,558,603 searches. Data last updated December 31, 2025.
Use the filters below to find and compare flights from Washington to Harlingen that are best for you.

Fly from

Washington

Fly to

Harlingen

Route

Depart

Return

Price

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 1/31

2:13 pm-11:21 pm

1 stop7h 08m

Harlingen Valley Intl

Tue 2/10

3:22 pm-10:11 pm

1 stop8h 49m

$204

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 1/20

8:35 am-6:14 pm

1 stop7h 39m

Harlingen Valley Intl

Mon 1/26

6:44 pm-11:51 pm

1 stop7h 07m

$208

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 1/20

8:35 am-6:14 pm

1 stop7h 39m

Harlingen Valley Intl

Tue 1/27

11:06 am-8:35 pm

2 stops11h 29m

$219

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 1/20

2:13 pm-11:21 pm

1 stop7h 08m

Harlingen Valley Intl

Sat 1/24

11:06 am-8:27 pm

2 stops11h 21m

$219

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 2/5

8:35 am-6:14 pm

1 stop7h 39m

Harlingen Valley Intl

Tue 2/10

6:02 am-2:10 pm

2 stops10h 08m

$230

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 1/23

12:57 pm-9:59 pm

1 stop7h 02m

Harlingen Valley Intl

Mon 1/26

12:10 pm-9:12 pm

2 stops11h 02m

$242

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 1/28

12:57 pm-9:59 pm

1 stop7h 02m

Harlingen Valley Intl

Mon 2/2

9:20 am-9:12 pm

2 stops13h 52m

$242

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 1/20

12:57 pm-9:59 pm

1 stop7h 02m

Harlingen Valley Intl

Mon 1/26

12:10 pm-9:12 pm

2 stops11h 02m

$242

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 1/26

7:00 am-4:06 pm

1 stop7h 06m

Harlingen Valley Intl

Mon 2/2

12:10 pm-9:12 pm

2 stops11h 02m

$242

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 1/27

8:40 am-9:59 pm

2 stops11h 19m

Harlingen Valley Intl

Tue 2/3

12:10 pm-9:12 pm

2 stops11h 02m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 25 results
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Best time to book a flight from Washington to Harlingen

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

What is the cheapest month to book a flight from State of Washington to Harlingen, Texas?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $204). Flying from State of Washington to Harlingen, Texas in July is currently the most expensive (average of $369). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    For a flight from Washington to Harlingen, you will be flying into Valley Intl. Harlingen Valley Intl (HRL) is just 3.7 mi from the center of the city.

  • How long is the flight from State of Washington to Harlingen, Texas?

    For as low as $242, American Airlines can have you in Harlingen, Texas from State of Washington in 7h 02m. Airlines will cover a distance of 1984 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from State of Washington to Harlingen, Texas?

    Most travelers choose Seattle/Tacoma Intl - Harlingen Valley Intl, Portland - Harlingen Valley Intl or Pasco Tri Cities - Harlingen Valley Intl when deciding on the best route from State of Washington to Harlingen, Texas.

  • Can I find deals for flights from Washington to Harlingen that include hotel bookings?

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

  • How can I find direct flights from Washington to Harlingen?

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

  • Can I find deals for business class flights from Washington to Harlingen?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Harlingen, Texas?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $204). Flying from State of Washington to Harlingen, Texas in July is currently the most expensive (average of $369). 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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Alternative routes for Washington to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Harlingen

Discover the top 2 airlines that operate flights from Washington to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$764FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$461FlexibilityNo cancel feeOn-time69%

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