HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$149+ Cheap flights from Harlingen, TX (HRL) to Washington

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEA
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harlingen to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Harlingen to Washington

Cheapest flights from Harlingen to Washington
Explore the most affordable flight options available from Harlingen to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 12/208:11 pmHRL - SEA
1 stop6h 46mAmerican Airlines
Sat 1/1010:00 amSEA - HRL
2 stops11h 21mAmerican Airlines
Deal found 12/16$410
This Southwest deal was found by Cheapflights users on 12/16. 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.
Sat 12/204:15 pmHRL - SEA
2 stops10h 35mSouthwest
Sat 1/107:00 amSEA - HRL
2 stops10h 00mSouthwest
Deal found 12/16$434
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/247:00 amHRL - SEA
2 stops13h 45mUnited Airlines
Tue 12/306:45 amSEA - HRL
1 stop7h 21mUnited Airlines
Deal found 12/17$479
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/247:00 amHRL - SEA
2 stops13h 45mUnited Airlines
Fri 12/265:00 amSEA - HRL
1 stop9h 06mUnited Airlines
Deal found 12/17$488
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/235:34 amHRL - SEA
1 stop7h 25mAmerican Airlines
Fri 12/2611:49 amSEA - HRL
1 stop8h 59mAmerican Airlines
Deal found 12/17$560
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/188:11 pmHRL - SEA
1 stop6h 46mAmerican Airlines
Fri 12/2612:59 amSEA - HRL
1 stop6h 41mAmerican Airlines
Deal found 12/17$574
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/185:34 amHRL - SEA
2 stops15h 09mAmerican Airlines
Fri 12/2611:49 amSEA - HRL
1 stop8h 59mAmerican Airlines
Deal found 12/17$579
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/247:00 amHRL - SEA
2 stops13h 45mUnited Airlines
Mon 12/298:57 amSEA - HRL
2 stops24h 16mUnited Airlines
Deal found 12/17$585
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2312:15 pmHRL - SEA
2 stops14h 44mUnited Airlines
Sat 12/275:00 amSEA - HRL
1 stop9h 06mUnited Airlines
Deal found 12/17$586
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/235:00 amHRL - SEA
1 stop9h 47mUnited Airlines
Thu 12/2511:59 pmSEA - HRL
1 stop9h 14mUnited Airlines
Deal found 12/17$590
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:15 pmHRL - SEA
1 stop10h 16mDelta
Tue 12/308:05 amSEA - HRL
1 stop28h 15mDelta
Deal found 12/17$591

Find flight deals from Harlingen to Washington

Keep the following information in mind while searching for Harlingen to Washington flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$337
(United Airlines)

One-way from

$149
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$541
Provider with most accurate pricing for Harlingen Valley Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Seattle/Tacoma Intl flights.
Search Deals
From Harlingen Valley Intl to Washington
Search Deals
One-way flight from Harlingen Valley Intl to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 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 Harlingen to Washington 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 17, 2025.
Use the filters below to find and compare flights from Harlingen to Washington that are best for you.

Fly from

Harlingen

Fly to

Washington

Route

Depart

Return

Price

HarlingenSpokane

HRL - GEG

HRLGEG

Harlingen Valley Intl

Sat 1/24

12:10 pm-9:22 pm

2 stops11h 12m

Spokane

Tue 1/27

5:00 am-8:01 pm

2 stops13h 01m

$337

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 1/17

5:25 pm-10:53 pm

1 stop7h 28m

Portland

Tue 1/20

12:59 pm-9:59 pm

1 stop7h 00m

$341

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 2/7

12:10 pm-9:12 pm

2 stops11h 02m

Seattle/Tacoma Intl

Mon 2/9

7:30 pm-11:26 am

2 stops13h 56m

$347

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 5/13

5:18 pm-10:49 pm

1 stop7h 31m

Seattle/Tacoma Intl

Sat 5/23

6:30 am-9:44 pm

2 stops13h 14m

$354

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 12/31

11:49 am-1:21 pm

1 stop27h 32m

Seattle/Tacoma Intl

Sun 1/4

6:27 pm-10:47 am

1 stop14h 20m

$675

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 12/31

5:34 am-2:11 pm

2 stops10h 37m

Seattle/Tacoma Intl

Sun 1/4

5:23 am-2:18 pm

1 stop6h 55m

$859

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 12/31

5:00 am-6:06 pm

2 stops15h 06m

Seattle/Tacoma Intl

Sun 1/4

5:02 am-7:36 pm

2 stops12h 34m

$946

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 3/24

6:00 am-10:55 am

1 stop6h 55m

$149

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 3/24

4:07 pm-12:03 am

2 stops9h 56m

$150

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 12/27

8:11 pm-12:54 am

1 stop6h 43m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 11 results
1
2

Best time to book a flight from Harlingen to Washington

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

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

Currently, April is the cheapest month in which you can book a flight from Harlingen, Texas to State of Washington (average of $196). Flying from Harlingen, Texas to State of Washington in September is currently the most expensive (average of $292). 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 HRL to WA?

Find hourly flight availability from Harlingen to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Harlingen, Texas to State of Washington in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated December 17, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Harlingen to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Washington. 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 from for flights from Harlingen to Washington?

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

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

    There are many flights that can get you from Harlingen, Texas to State of Washington in 11h 12m. Fly via United Airlines to get the fastest option. The distance from Harlingen, Texas to State of Washington is about 1828 mi.

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

    When deciding which route to take from Harlingen, Texas to State of Washington consider Harlingen Valley Intl - Seattle/Tacoma Intl, Harlingen Valley Intl - Spokane or Harlingen Valley Intl - Portland as they are the most popular.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Harlingen, Texas to State of Washington (average of $196). Flying from Harlingen, Texas to State of Washington in September is currently the most expensive (average of $292). 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

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

Alternative routes for Harlingen to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Denver flights
Hobby to LaGuardia flights
Dallas/Fort Worth to Orlando flights
Dallas/Fort Worth to Seattle flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to Los Angeles flights
Hobby to Newark flights
Dallas/Fort Worth to Miami flights
Hobby to Las Vegas flights
Hobby to Denver flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to Fort Lauderdale flights
George Bush Intcntl to John F Kennedy Intl flights
George Bush Intcntl to Newark flights
Austin to John F Kennedy Intl flights
Dallas/Fort Worth to Baltimore flights
Hobby to Los Angeles flights
Dallas/Fort Worth to Midway flights
George Bush Intcntl to Las Vegas flights
Dallas/Fort Worth to Atlanta flights
George Bush Intcntl to LaGuardia flights
George Bush Intcntl to Denver flights
Austin to Las Vegas flights
Hobby to Seattle flights
Hobby to Orlando flights
Dallas/Fort Worth to Sky Harbor Intl flights
Dallas/Fort Worth to Ontario flights
Love Field to Las Vegas flights
Dallas/Fort Worth to Dulles Intl flights
Love Field to LaGuardia flights
George Bush Intcntl to Los Angeles flights
Dallas/Fort Worth to San Diego flights
Austin to Newark flights
George Bush Intcntl to Seattle flights
San Antonio to Las Vegas flights
Hobby to Miami flights
Dallas/Fort Worth to Hobby flights
Dallas/Fort Worth to Salt Lake City flights
Austin to Los Angeles flights
Dallas/Fort Worth to Tampa flights
Dallas/Fort Worth to Boston flights
Dallas/Fort Worth to Honolulu flights
George Bush Intcntl to Orlando flights
Love Field to Los Angeles flights
Dallas/Fort Worth to Reagan-National flights

Top 4 airlines flying from Harlingen to Washington

Discover the top 4 airlines that operate flights from Harlingen to Washington. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$297FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$495FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$328Average$603FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.