Kaua'i

$148+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Jul 26 — Aug 21
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Cheap 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 June 26, 2026.

This United Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 10/263:27 pm
SEA
-
LIH
1 stop9h 03m
United Airlines
Thu 11/51:46 pm
LIH
-
SEA
1 stop9h 15m
United Airlines
Deal found 6/23$296
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 10/1910:55 am
SEA
-
LIH
1 stop11h 49m
United Airlines
Sun 10/2510:59 pm
LIH
-
SEA
1 stop10h 21m
United Airlines
Deal found 6/23$326
This Delta deal was found by Cheapflights users on 6/23. 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 10/14:05 pm
SEA
-
LIH
Nonstop6h 05m
Delta
Mon 10/59:54 pm
LIH
-
SEA
Nonstop5h 51m
Delta
Deal found 6/23$337
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/201:16 pm
SEA
-
LIH
1 stop9h 28m
United Airlines
Thu 8/2710:48 pm
LIH
-
SEA
1 stop8h 11m
United Airlines
Deal found 6/23$342
This Delta deal was found by Cheapflights users on 6/23. 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 8/209:59 am
SEA
-
LIH
1 stop10h 42m
Delta
Thu 8/279:55 pm
LIH
-
SEA
Nonstop5h 45m
Delta
Deal found 6/23$346
This United Airlines deal was found by Cheapflights users on 6/24. 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 10/110:55 am
SEA
-
LIH
1 stop11h 49m
United Airlines
Mon 10/512:52 pm
LIH
-
SEA
1 stop9h 23m
United Airlines
Deal found 6/24$351
This Flighttix deal was found by Cheapflights users on 6/23. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:08 pm
SEA
-
LIH
Nonstop6h 15m
Multiple Airlines
Wed 8/268:45 pm
LIH
-
SEA
1 stop8h 28m
Multiple Airlines
Deal found 6/23$353
This American Airlines deal was found by Cheapflights users on 6/23. 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 8/1911:40 am
SEA
-
LIH
1 stop11h 29m
American Airlines
Wed 8/2610:00 pm
LIH
-
SEA
1 stop10h 10m
American Airlines
Deal found 6/23$356
This Delta deal was found by Cheapflights users on 6/25. 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 8/244:05 pm
SEA
-
LIH
Nonstop6h 11m
Delta
Mon 8/319:55 pm
LIH
-
SEA
Nonstop5h 45m
Delta
Deal found 6/25$357
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 9/227:20 am
SEA
-
LIH
1 stop12h 00m
Multiple Airlines
Tue 10/610:31 pm
LIH
-
SEA
Nonstop5h 49m
Multiple Airlines
Deal found 6/23$362
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/274:08 pm
SEA
-
LIH
Nonstop6h 15m
Multiple Airlines
Tue 9/12:30 pm
LIH
-
SEA
1 stop22h 14m
Multiple Airlines
Deal found 6/23$363
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/194:08 pm
SEA
-
LIH
Nonstop6h 15m
Alaska Airlines
Mon 8/243:42 pm
LIH
-
SEA
1 stop13h 26m
Alaska Airlines
Deal found 6/23$366

Find 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 June 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(United Airlines)

One-way from

$148
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$698

Good round-trip deal

$581 or less

Good one-way deal

$314 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Lihue flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lihue flights.
From Seattle/Tacoma Intl to Kaua'i
One-way flight from Seattle/Tacoma Intl to Kaua'i
Highest demand for flights based on searches. 19% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kaua'i.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Kaua'i.

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 June 26, 2026.
Use the filters below to find and compare flights from Seattle to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 10/19

6:11 pm-9:30 pm

Nonstop6h 19m

Lihue

Sun 10/25

2:30 pm-11:59 pm

1 stop30h 29m

$363

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 8/13

9:09 pm-11:26 am

1 stop17h 17m

Lihue

Mon 8/24

9:35 pm-6:20 am

Nonstop5h 45m

$392

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 10/8

3:59 pm-7:22 pm

Nonstop6h 23m

Lihue

Wed 10/14

9:26 pm-1:00 pm

1 stop12h 34m

$415

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 8/20

7:00 pm-12:35 pm

2 stops20h 35m

Lihue

Thu 8/27

9:25 pm-8:35 am

1 stop8h 10m

$416

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sat 8/29

4:15 pm-9:57 pm

1 stop8h 42m

Lihue

Tue 9/1

3:45 pm-8:13 am

1 stop13h 28m

$417

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 10/23

6:11 pm-9:30 pm

Nonstop6h 19m

Lihue

Fri 10/30

6:00 am-10:55 pm

1 stop13h 55m

$422
Quickest round-trip

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 9/18

8:45 pm-6:40 am

1 stop12h 55m

Lihue

Fri 9/25

9:35 pm-6:20 am

Nonstop5h 45m

$422

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 10/19

7:55 am-6:05 pm

2 stops13h 10m

Lihue

Fri 10/23

9:30 pm-12:10 pm

1 stop11h 40m

$432

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 10/23

7:20 am-5:20 pm

1 stop13h 00m

Lihue

Fri 10/30

9:26 pm-10:35 am

1 stop10h 09m

$436
Cheapest one-way

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 10/1

1:19 pm-7:44 pm

1 stop9h 25m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 20 resultsSorted by cheapest first
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, April is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $178). Flying from Seattle to Kaua'i in July is currently the most expensive (average of $351). 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 June 26, 2026.

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 June 26, 2026.

The most flights from SEA to zzFUS are scheduled on a Friday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How far ahead should I book a flight from Seattle to Kaua'i?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Kaua'i. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 26, 2026.
Read through reviews of airlines operating flights from Seattle to Kaua'i, such as Alaska Airlines,Southwest, andDelta. 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.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Overall

7.9

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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?

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

    United Airlines and Delta can get you from Seattle to Kaua'i in just under 6h 23m. Your travel time can differ by up to 3h 05m. Airlines will cover a distance of 2698 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle 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 $149. Alaska Airlines flights start at $208 while deals on United Airlines start at $208 one-way.

  • 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: Hawaiian Airlines (100%), Scandinavian Airlines (93%), Qatar Airways( 92%).

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

    Looking at all options, your cheapest flight can be booked for $238. While the most popular route (Seattle/Tacoma Intl - Lihue) can be booked for $326 on average, our data indicates $499 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, April is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $178). Flying from Seattle to Kaua'i in July is currently the most expensive (average of $351). 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 5 airlines flying from Seattle to Kaua'i

Discover the top 5 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 June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$209Average$478FlexibilityNo cancel feeOn-time85%
DeltaCheapest$224Average$505FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$498FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$285Average$614FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$416Average$693FlexibilityNo cancel feeOn-time63%

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