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Harlingen

$95+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HRL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 12/175:30 amPDX - HRL
1 stop8h 00mAmerican Airlines
Sun 12/218:11 pmHRL - PDX
1 stop6h 43mAmerican Airlines
Deal found 12/2$427
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/312:31 amSEA - HRL
1 stop7h 07mAmerican Airlines
Mon 12/810:11 amHRL - SEA
1 stop9h 40mAmerican Airlines
Deal found 12/3$519
This Southwest deal was found by Cheapflights users on 12/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:10 amPDX - HRL
2 stops7h 55mSouthwest
Mon 1/53:35 pmHRL - PDX
2 stops10h 00mSouthwest
Deal found 12/4$613
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/247:45 pmPDX - HRL
2 stops13h 28mUnited Airlines
Sun 12/285:00 amHRL - PDX
1 stop19h 59mUnited Airlines
Deal found 12/2$671
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Thu 12/49:25 amSEA - HRL
2 stops10h 29mUnited Airlines
Mon 12/85:00 pmHRL - SEA
1 stop7h 47mUnited Airlines
Deal found 12/4$674
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:05 amPDX - HRL
2 stops9h 15mSouthwest
Sun 12/285:50 amHRL - PDX
2 stops10h 20mSouthwest
Deal found 12/2$719
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Thu 12/1812:49 amPDX - HRL
1 stop6h 51mAmerican Airlines
Mon 1/52:48 pmHRL - PDX
1 stop9h 11mAmerican Airlines
Deal found 12/4$732
This deal was found by Cheapflights users on 12/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:52 pmSEA - HRL
1 stop6h 56mAmerican Airlines
Mon 1/55:34 amHRL - SEA
1 stop7h 25mAmerican Airlines
Deal found 12/4$749
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:05 amPDX - HRL
2 stops9h 15mSouthwest
Sat 12/274:15 pmHRL - PDX
2 stops10h 10mSouthwest
Deal found 12/2$792
This deal was found by Cheapflights users on 12/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:23 amSEA - HRL
1 stop6h 55mAmerican Airlines
Tue 1/66:02 amHRL - SEA
1 stop9h 02mAmerican Airlines
Deal found 12/4$794
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:00 amSEA - HRL
2 stops10h 00mSouthwest
Fri 1/23:40 pmHRL - SEA
2 stops10h 55mSouthwest
Deal found 12/2$801
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/257:00 amPDX - HRL
1 stop12h 59mUnited Airlines
Sat 12/277:00 amHRL - PDX
1 stop17h 59mUnited Airlines
Deal found 12/2$805

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(American Airlines)

One-way from

$95
(Southwest)

Popular in

July

Cheapest in

March

Average price

$670
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 ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 4, 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

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 2/10

2:09 pm-11:21 pm

1 stop7h 12m

Harlingen Valley Intl

Thu 2/19

8:07 pm-12:59 am

1 stop6h 52m

$238

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 2/10

12:57 pm-9:59 pm

1 stop7h 02m

Harlingen Valley Intl

Thu 2/19

12:10 pm-11:30 pm

2 stops13h 20m

$252

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sun 1/18

11:12 pm-10:36 am

1 stop9h 24m

Harlingen Valley Intl

Sun 1/25

6:44 pm-11:51 pm

1 stop7h 07m

$263

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 2/10

9:55 am-8:50 pm

2 stops8h 55m

Harlingen Valley Intl

Thu 2/19

11:15 am-10:50 pm

2 stops13h 35m

$275

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sun 1/18

6:18 am-8:01 pm

2 stops11h 43m

Harlingen Valley Intl

Sun 1/25

5:25 pm-10:59 pm

1 stop7h 34m

$295

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 1/31

6:48 am-4:06 pm

1 stop7h 18m

Harlingen Valley Intl

Tue 2/3

5:25 pm-10:59 pm

1 stop7h 34m

$327

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 1/1

5:23 am-2:18 pm

1 stop6h 55m

Harlingen Valley Intl

Thu 1/8

6:44 pm-11:51 pm

1 stop7h 07m

$333

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 2/10

12:59 pm-9:59 pm

1 stop7h 00m

Harlingen Valley Intl

Wed 2/11

12:10 pm-12:39 am

2 stops14h 29m

$344

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 2/28

11:59 pm-10:05 am

1 stop8h 06m

Harlingen Valley Intl

Fri 3/6

10:35 am-6:09 pm

1 stop9h 34m

$374

PascoHarlingen

PSC - HRL

PSCHRL

Pasco Tri Cities

Sat 1/24

6:05 am-9:59 pm

2 stops13h 54m

Harlingen Valley Intl

Wed 1/28

12:10 pm-9:10 pm

2 stops11h 00m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 28 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, September is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $198). 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.

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

Find hourly flight availability from Washington 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 December 4, 2025.

It’s optimal to fly from State of Washington to Harlingen, Texas in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.

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 $252, 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, September is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $198). 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

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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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$758FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$583FlexibilityNo cancel feeOn-time69%

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