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Harlingen

$149+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HRL
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Washington to Harlingen

Keep the following information in mind while searching for Washington to Harlingen flight deals. Data was last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$206
(American Airlines)

One-way from

$149
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$411
Provider with most accurate pricing for Seattle/Tacoma Intl-Harlingen Valley Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Harlingen Valley Intl flights.
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From Washington to Harlingen Valley Intl
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One-way flight from Washington to Harlingen Valley Intl
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Highest demand for flights based on searches. 29% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 5, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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 12/45:18 amSEA - HRL
1 stop8h 11mAmerican Airlines
Wed 12/1012:13 pmHRL - SEA
1 stop8h 42mAmerican Airlines
Deal found 11/4$207
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/112:59 amPDX - HRL
1 stop6h 44mAmerican Airlines
Tue 12/94:02 pmHRL - PDX
1 stop9h 21mAmerican Airlines
Deal found 11/4$242
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/117:15 amSEA - HRL
1 stop8h 24mAmerican Airlines
Mon 3/28:07 pmHRL - SEA
1 stop6h 52mAmerican Airlines
Deal found 11/3$279
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/47:05 amSEA - HRL
2 stops12h 15mSouthwest
Wed 12/1010:30 amHRL - SEA
2 stops10h 10mSouthwest
Deal found 11/4$323
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/212:55 pmPDX - HRL
1 stop6h 59mUnited Airlines
Tue 12/95:00 pmHRL - PDX
1 stop7h 57mUnited Airlines
Deal found 11/4$340
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/1812:41 amSEA - HRL
1 stop7h 10mAmerican Airlines
Sun 11/238:02 pmHRL - SEA
1 stop6h 56mAmerican Airlines
Deal found 11/4$374
This Southwest deal was found by Cheapflights users on 11/4. 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.
Tue 12/210:05 amPDX - HRL
2 stops9h 50mSouthwest
Tue 12/910:30 amHRL - PDX
2 stops10h 20mSouthwest
Deal found 11/4$394
This Southwest deal was found by Cheapflights users on 11/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:05 amSEA - HRL
2 stops12h 00mSouthwest
Mon 3/29:45 amHRL - SEA
2 stops10h 55mSouthwest
Deal found 11/3$410
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/209:04 amSEA - HRL
2 stops10h 50mUnited Airlines
Mon 11/2412:10 pmHRL - SEA
2 stops14h 49mUnited Airlines
Deal found 11/4$439
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:10 amSEA - HRL
1 stop6h 49mUnited Airlines
Mon 3/212:10 pmHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 11/3$443
This Sun Country Air deal was found by Cheapflights users on 11/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:34 pmSEA - HRL
1 stop12h 24mSun Country Air
Mon 12/2911:13 amHRL - SEA
1 stop24h 05mSun Country Air
Deal found 11/3$545
This Sun Country Air deal was found by Cheapflights users on 11/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:32 pmSEA - HRL
1 stop14h 15mSun Country Air
Mon 12/2911:13 amHRL - SEA
1 stop24h 05mSun Country Air
Deal found 11/3$550

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 November 5, 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

Mon 12/1

12:59 am-9:43 am

1 stop6h 44m

Harlingen Valley Intl

Tue 12/9

4:02 pm-11:23 pm

1 stop9h 21m

$242

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 1/28

12:40 pm-9:59 pm

1 stop7h 19m

Harlingen Valley Intl

Mon 2/2

9:20 am-9:15 pm

2 stops13h 55m

$252

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 3/9

1:33 am-9:45 am

1 stop6h 12m

Harlingen Valley Intl

Wed 3/11

7:55 pm-12:49 am

1 stop6h 54m

$287

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 12/4

7:05 am-9:20 pm

2 stops12h 15m

Harlingen Valley Intl

Wed 12/10

10:30 am-6:40 pm

2 stops10h 10m

$323

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 3/10

7:03 am-3:34 pm

1 stop6h 31m

Harlingen Valley Intl

Wed 3/11

9:20 am-6:27 pm

2 stops11h 07m

$332

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 12/4

6:50 pm-9:41 am

2 stops12h 51m

Harlingen Valley Intl

Wed 12/10

4:02 pm-11:38 pm

1 stop9h 36m

$333

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 12/2

12:55 pm-9:54 pm

1 stop6h 59m

Harlingen Valley Intl

Tue 12/9

5:00 pm-10:57 pm

1 stop7h 57m

$340

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 3/10

8:01 am-6:20 pm

1 stop8h 19m

Harlingen Valley Intl

Wed 3/11

4:12 pm-10:46 pm

1 stop8h 34m

$353

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 2/28

11:59 pm-10:07 am

1 stop8h 08m

Harlingen Valley Intl

Fri 3/6

6:00 am-11:09 am

1 stop7h 09m

$362

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 12/2

10:05 am-9:55 pm

2 stops9h 50m

Harlingen Valley Intl

Tue 12/9

10:30 am-6:50 pm

2 stops10h 20m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 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 November 5, 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 40% 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 $242, American Airlines can have you in Harlingen, Texas from State of Washington in 6h 44m. Airlines will cover a distance of 1917 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$758FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$583FlexibilityNo cancel feeOn-time69%

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