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Kaua'i

$149+ Cheap flights from Seattle (SEA) 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Kaua'i

Keep the following information in mind while searching for Seattle to Kaua'i flight deals. Data was last updated September 11, 2025.

Round-trip from

$357
(Hawaiian Airlines)

One-way from

$149
(Southwest)

Popular in

July

Cheapest in

January

Average price

$466

Good round-trip deal

$494 or less

Good one-way deal

$319 or less
From Seattle/Tacoma Intl to Kaua'i
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One-way flight from Seattle/Tacoma Intl to Kaua'i
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Highest demand for flights based on searches. 11% potential increase in price ($72 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 September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kaua'i.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Kaua'i.
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Find flight deals from Seattle to Kaua'i

Cheapest flights from Seattle to Kaua'i
Explore the most affordable flight options available from Seattle to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 9/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:40 pmSEA - LIH
1 stop8h 32mHawaiian Airlines
Tue 11/411:25 pmLIH - SEA
Nonstop5h 50mHawaiian Airlines
Deal found 9/9$357
This Delta deal was found by Cheapflights users on 9/10. 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 10/303:53 pmSEA - LIH
Nonstop6h 12mDelta
Wed 11/510:40 pmLIH - SEA
Nonstop5h 55mDelta
Deal found 9/10$358
This American Airlines deal was found by Cheapflights users on 9/11. 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 11/86:41 pmSEA - LIH
1 stop20h 37mAmerican Airlines
Thu 11/1310:39 pmLIH - SEA
1 stop10h 14mAmerican Airlines
Deal found 9/11$359
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 10/237:00 amSEA - LIH
1 stop29h 47mAlaska Airlines
Thu 10/3011:51 amLIH - SEA
1 stop18h 00mAlaska Airlines
Deal found 9/10$362
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 12/105:54 pmSEA - LIH
Nonstop6h 31mAlaska Airlines
Wed 12/175:00 pmLIH - SEA
1 stop10h 05mAlaska Airlines
Deal found 9/11$363
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 10/239:44 pmSEA - LIH
1 stop17h 28mAlaska Airlines
Wed 10/291:28 pmLIH - SEA
1 stop16h 11mAlaska Airlines
Deal found 9/10$364
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/315:30 amSEA - LIH
1 stop9h 43mUnited Airlines
Mon 11/32:31 pmLIH - SEA
1 stop8h 28mUnited Airlines
Deal found 9/9$365
This Delta deal was found by Cheapflights users on 9/11. 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 11/1210:19 amSEA - LIH
1 stop9h 49mDelta
Tue 11/2510:44 pmLIH - SEA
1 stop9h 43mDelta
Deal found 9/11$367
This Delta deal was found by Cheapflights users on 9/10. 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 10/233:53 pmSEA - LIH
Nonstop6h 12mDelta
Thu 10/308:30 pmLIH - SEA
1 stop10h 33mDelta
Deal found 9/10$368
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/95:30 amSEA - LIH
1 stop9h 43mUnited Airlines
Sun 11/162:31 pmLIH - SEA
1 stop8h 28mUnited Airlines
Deal found 9/11$371
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:05 pmSEA - LIH
Nonstop6h 18mAlaska Airlines
Mon 11/311:25 pmLIH - SEA
Nonstop5h 50mAlaska Airlines
Deal found 9/9$372
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/259:24 pmSEA - LIH
1 stop15h 31mAlaska Airlines
Thu 12/411:58 amLIH - SEA
1 stop8h 11mAlaska Airlines
Deal found 9/11$373

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Kaua'i that are best for you.

Fly from

Seattle

Fly to

Kaua'i

Route

Depart

Return

Price

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 12/3

9:55 am-4:31 pm

1 stop8h 36m

Lihue

Mon 12/8

5:35 pm-5:15 am

1 stop9h 40m

$358

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 10/30

3:53 pm-7:05 pm

Nonstop6h 12m

Lihue

Mon 11/10

9:29 pm-5:17 am

Nonstop5h 48m

$358

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 10/23

9:44 pm-12:12 pm

1 stop17h 28m

Lihue

Tue 10/28

1:28 pm-8:39 am

1 stop16h 11m

$358

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 12/3

9:55 am-4:31 pm

1 stop8h 36m

Lihue

Tue 12/9

11:38 am-9:25 pm

1 stop7h 47m

$358

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 11/10

6:07 pm-10:25 pm

Nonstop6h 18m

Lihue

Mon 11/17

6:20 pm-5:35 am

1 stop9h 15m

$363

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 10/23

7:10 am-4:53 pm

1 stop12h 43m

Lihue

Tue 10/28

9:40 pm-6:35 am

Nonstop5h 55m

$368

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 11/9

5:30 am-1:13 pm

1 stop9h 43m

Lihue

Sun 11/16

2:31 pm-12:59 am

1 stop8h 28m

$371

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Tue 11/25

9:24 pm-10:55 am

1 stop15h 31m

Lihue

Thu 12/4

6:54 pm-5:15 am

1 stop8h 21m

$373

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 11/30

3:52 pm-8:04 pm

Nonstop6h 12m

Lihue

Mon 12/8

9:44 pm-5:28 am

Nonstop5h 44m

$378

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 12/5

3:59 pm-8:19 pm

Nonstop6h 20m

Lihue

Thu 12/11

9:44 pm-5:28 am

Nonstop5h 44m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Kaua'i

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

What is the cheapest month to book a flight from Seattle to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $440). Flying from Seattle 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 SEA to FUS?

Find hourly flight availability from Seattle 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 September 11, 2025.

When flying from Seattle 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.

Weekly flight availability from Seattle to Kaua'i

Explore weekly flight availability from Seattle to Kaua'i. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from SEA to zzFUS are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Seattle to Kaua'i, such as Alaska Airlines, Southwest, and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kaua'i. 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 Seattle to Kaua'i?

    If you book a flight to Kaua'i from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How popular is this Seattle to Kaua'i flight route?

    Flights from Seattle/Tacoma Intl to Kaua'i have been viewed 6 times in the past calendar month.

  • How long is the flight from Seattle to Kaua'i?

    Alaska Airlines and Delta can get you from Seattle to Kaua'i in just under 6h 12m. Your travel time can differ by up to 2h 24m. Airlines will cover a distance of 2698 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Seattle to Kaua'i?

    Before booking your flight to Kaua'i from Seattle, check out the most reliable airlines to get you to your destination on time: Air France (83%), British Airways (82%), KLM( 82%).

  • What are the cheapest flights from Seattle to Kaua'i?

    Looking at all options, your cheapest flight can be booked for $291. While the most popular route (Seattle/Tacoma Intl - Lihue) can be booked for $348 on average, our data indicates $998 when flying from Seattle to Kaua'i.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $440). Flying from Seattle 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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Alternative routes for Seattle to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seattle to Kaua'i

Discover the top 6 airlines that operate flights from Seattle 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$465FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$249Average$633FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$275Average$512FlexibilityNo cancel feeOn-time71%
DeltaCheapest$286Average$544FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$294Average$602FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$357Average$613FlexibilityNo cancel feeOn-time75%

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