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Kaua'i

$116+ Cheap flights from Washington to Kaua'i

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Nov 3 — Nov 101
Mon 11/3
Mon 11/10
1 adult, Economy
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Cheap flight deals from Washington to Kaua'i

Keep the following information in mind while searching for Washington to Kaua'i flight deals. Data was last updated October 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Alaska Airlines)

One-way from

$116
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$531

Good round-trip deal

$437 or less

Good one-way deal

$261 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Lihue flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lihue flights.
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From Washington to Kaua'i
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One-way flight from Washington to Kaua'i
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Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington to Kaua'i.
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Price to beat on a one-way flight from Washington to Kaua'i.
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Find flight deals from Washington to Kaua'i

Cheapest flights from Washington to Kaua'i
Explore the most affordable flight options available from Washington to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:40 pmSEA - LIH
1 stop8h 32mAlaska Airlines
Thu 11/66:20 pmLIH - SEA
1 stop9h 15mAlaska Airlines
Deal found 10/2$308
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Mon 11/176:30 amSEA - LIH
1 stop11h 29mAmerican Airlines
Tue 11/2510:39 pmLIH - SEA
1 stop16h 29mAmerican Airlines
Deal found 10/3$313
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:53 pmSEA - LIH
Nonstop6h 12mDelta
Wed 11/129:40 pmLIH - SEA
Nonstop5h 47mDelta
Deal found 10/3$316
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:52 pmSEA - LIH
Nonstop6h 12mDelta
Thu 11/209:40 pmLIH - SEA
Nonstop5h 47mDelta
Deal found 10/3$318
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:25 pmPDX - LIH
1 stop28h 39mDelta
Tue 11/189:40 pmLIH - PDX
1 stop8h 51mDelta
Deal found 10/2$319
This Alaska Airlines deal was found by Cheapflights users on 10/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:55 pmSEA - LIH
1 stop8h 20mAlaska Airlines
Tue 11/1111:25 pmLIH - SEA
Nonstop5h 50mAlaska Airlines
Deal found 10/3$321
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:45 pmSEA - LIH
1 stop12h 34mAlaska Airlines
Mon 10/2710:23 pmLIH - SEA
Nonstop5h 50mAlaska Airlines
Deal found 10/2$323
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/222:45 pmPDX - LIH
1 stop24h 30mAmerican Airlines
Mon 10/279:40 pmLIH - PDX
1 stop12h 24mAmerican Airlines
Deal found 10/1$323
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:30 amPDX - LIH
2 stops14h 23mDelta
Thu 11/69:30 pmLIH - PDX
2 stops13h 19mDelta
Deal found 10/3$324
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:10 amSEA - LIH
1 stop12h 43mDelta
Wed 11/129:40 pmLIH - SEA
Nonstop5h 47mDelta
Deal found 10/3$326
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Mon 11/176:30 amSEA - LIH
1 stop11h 29mAmerican Airlines
Sun 11/2310:39 pmLIH - SEA
1 stop9h 56mAmerican Airlines
Deal found 10/3$327
This Alaska Airlines deal was found by Cheapflights users on 10/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:07 pmSEA - LIH
Nonstop6h 18mAlaska Airlines
Tue 11/251:20 pmLIH - SEA
1 stop8h 12mAlaska Airlines
Deal found 10/3$328

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Kaua'i 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 October 4, 2025.
Use the filters below to find and compare flights from Washington to Kaua'i that are best for you.

Fly from

Washington

Fly to

Kaua'i

Route

Depart

Return

Price

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 10/30

5:30 am-4:53 pm

2 stops14h 23m

Lihue

Thu 11/6

9:30 pm-12:49 pm

2 stops13h 19m

$324

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 11/13

6:07 pm-10:25 pm

Nonstop6h 18m

Lihue

Tue 11/25

1:20 pm-11:32 pm

1 stop8h 12m

$328

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 11/13

3:52 pm-8:04 pm

Nonstop6h 12m

Lihue

Sat 11/22

9:40 pm-5:27 am

Nonstop5h 47m

$328

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 11/12

3:52 pm-8:04 pm

Nonstop6h 12m

Lihue

Fri 11/21

9:40 pm-5:27 am

Nonstop5h 47m

$328

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 12/4

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Sun 12/7

10:55 pm-9:50 am

1 stop8h 55m

$333

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 12/2

8:00 am-12:18 pm

Nonstop6h 18m

Lihue

Wed 12/10

1:39 pm-6:00 am

1 stop14h 21m

$343

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 12/2

6:08 pm-1:49 pm

1 stop21h 41m

Lihue

Tue 12/16

11:55 am-7:30 pm

Nonstop5h 35m

$344

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 11/3

5:30 am-6:00 pm

2 stops14h 30m

Lihue

Thu 11/13

10:55 pm-3:33 pm

2 stops14h 38m

$354

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Tue 11/25

3:52 pm-8:04 pm

Nonstop6h 12m

Lihue

Tue 12/2

10:55 pm-10:45 am

1 stop9h 50m

$356

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sat 11/1

5:48 pm-10:43 am

1 stop19h 55m

Lihue

Wed 11/5

11:46 am-7:45 pm

Nonstop5h 59m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i 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 Kaua'i

What is the cheapest month to book a flight from State of Washington to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Kaua'i (average of $440). Flying from State of Washington to Kaua'i in June is currently the most expensive (average of $689). 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 FUS?

Find hourly flight availability from Washington to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 4, 2025.

When flying from State of Washington to Kaua'i, 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 Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this State of Washington to Kaua'i flight route?

    Within the past month, 7 users have taken a look at flights from Washington to Kaua'i.

  • How long is the flight from State of Washington to Kaua'i?

    Delta and Alaska Airlines can get you from State of Washington to Kaua'i in just under 6h 18m. Your travel time can differ by up to 8h 05m. State of Washington and Kaua'i are separated by a distance of 2698 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Kaua'i one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $122. American Airlines flights start at $129 while deals on Alaska Airlines start at $156 one-way.

  • Can I find deals for flights from Washington to Kaua'i that include hotel bookings?

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

  • How can I find direct flights from Washington to Kaua'i?

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

  • Can I find deals for business class flights from Washington to Kaua'i?

    Yes. Cheapflights offers flight deals from Washington to Kaua'i 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 Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Kaua'i (average of $440). Flying from State of Washington to Kaua'i in June is currently the most expensive (average of $689). 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 6 airlines flying from Washington to Kaua'i

Discover the top 6 airlines that operate flights from Washington to Kaua'i. 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 October 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$249Average$611FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$257Average$465FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$275Average$510FlexibilityNo cancel feeOn-time71%
DeltaCheapest$287Average$551FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$294Average$679FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$359Average$670FlexibilityNo cancel feeOn-time75%

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