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Harlingen

$231+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HRL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$231
(United Airlines)

Popular in

July

Cheapest in

March
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. 30% potential increase in price ($189 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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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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 9/307:39 amPDX - HRL
1 stop8h 26mAmerican Airlines
Sat 10/45:45 amHRL - PDX
1 stop7h 07mAmerican Airlines
Deal found 9/15$251
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/67:38 amPDX - HRL
1 stop8h 01mAmerican Airlines
Sat 12/136:10 pmHRL - PDX
1 stop7h 13mAmerican Airlines
Deal found 9/14$262
This Southwest deal was found by Cheapflights users on 9/12. 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 11/125:40 amSEA - HRL
2 stops10h 20mSouthwest
Mon 11/177:30 amHRL - SEA
2 stops13h 10mSouthwest
Deal found 9/12$272
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/811:24 pmSEA - HRL
1 stop8h 12mAmerican Airlines
Wed 10/152:50 pmHRL - SEA
1 stop8h 58mAmerican Airlines
Deal found 9/13$277
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/512:59 amSEA - HRL
1 stop6h 52mAmerican Airlines
Sun 11/98:04 pmHRL - SEA
1 stop6h 54mAmerican Airlines
Deal found 9/14$308
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/1112:41 amSEA - HRL
1 stop7h 10mAmerican Airlines
Mon 11/174:02 pmHRL - SEA
1 stop7h 16mAmerican Airlines
Deal found 9/12$318
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/88:42 amSEA - HRL
2 stops12h 36mUnited Airlines
Wed 10/155:17 pmHRL - SEA
1 stop7h 58mUnited Airlines
Deal found 9/13$332
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/127:28 pmSEA - HRL
2 stops13h 31mUnited Airlines
Mon 11/175:00 pmHRL - SEA
1 stop7h 46mUnited Airlines
Deal found 9/12$344
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 12/61:00 pmPDX - HRL
2 stops20h 04mUnited Airlines
Sat 12/1312:16 pmHRL - PDX
2 stops12h 36mUnited Airlines
Deal found 9/15$388
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/305:30 amPDX - HRL
3 stops15h 48mUnited Airlines
Sat 10/42:05 pmHRL - PDX
2 stops10h 40mUnited Airlines
Deal found 9/15$409
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 9/265:26 amSEA - HRL
1 stop6h 53mAmerican Airlines
Sun 9/285:45 amHRL - SEA
1 stop7h 09mAmerican Airlines
Deal found 9/13$429
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/93:43 pmSEA - HRL
1 stop6h 19mAmerican Airlines
Fri 10/106:20 pmHRL - SEA
1 stop6h 39mAmerican Airlines
Deal found 9/13$438

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 September 15, 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

Tue 9/30

7:39 am-6:05 pm

1 stop8h 26m

Harlingen Valley Intl

Sat 10/4

5:45 am-10:52 am

1 stop7h 07m

$251

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Sat 12/6

7:38 am-5:39 pm

1 stop8h 01m

Harlingen Valley Intl

Sat 12/13

6:10 pm-11:23 pm

1 stop7h 13m

$262

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 11/5

12:59 am-9:51 am

1 stop6h 52m

Harlingen Valley Intl

Sun 11/9

8:04 pm-12:58 am

1 stop6h 54m

$308

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 10/13

11:24 pm-9:38 am

1 stop8h 14m

Harlingen Valley Intl

Wed 10/15

2:50 pm-9:48 pm

1 stop8h 58m

$308

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 11/11

12:41 am-9:51 am

1 stop7h 10m

Harlingen Valley Intl

Mon 11/17

4:02 pm-9:18 pm

1 stop7h 16m

$318

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 10/8

8:42 am-11:18 pm

2 stops12h 36m

Harlingen Valley Intl

Wed 10/15

5:17 pm-11:15 pm

1 stop7h 58m

$332

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 3/10

7:10 am-3:34 pm

1 stop6h 24m

Harlingen Valley Intl

Wed 3/11

5:15 am-11:49 am

1 stop8h 34m

$341

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 1/2

11:59 pm-9:40 am

1 stop7h 41m

Harlingen Valley Intl

Fri 1/9

4:09 pm-11:11 pm

1 stop9h 02m

$364

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

$379

PascoHarlingen

PSC - HRL

PSCHRL

Pasco Tri Cities

Tue 3/10

1:41 pm-10:59 am

2 stops19h 18m

Harlingen Valley Intl

Wed 3/11

5:16 pm-12:55 pm

2 stops21h 39m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 13 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, April is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $267). Flying from State of Washington to Harlingen, Texas in June is currently the most expensive (average of $382). 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 September 15, 2025.

When flying from State of Washington 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.

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 $251, American Airlines can have you in Harlingen, Texas from State of Washington in 8h 26m. 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 cheapest airlines to fly from State of Washington to Harlingen, Texas one-way?

    One-way options have recently been found by users for as low as $231 on United Airlines. Other airlines that offer cheap prices include Southwest from $245 and American Airlines from $270 one-way.

  • 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, April is the cheapest month in which you can book a flight from State of Washington to Harlingen, Texas (average of $267). Flying from State of Washington to Harlingen, Texas in June is currently the most expensive (average of $382). 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 3 airlines flying from Washington to Harlingen

Discover the top 3 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$668FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$583FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$299Average$413FlexibilityNo cancel feeOn-time63%

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