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Kaua'i

$108+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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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 February 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:59 pm
SEA
-
LIH
Nonstop6h 30m
Multiple Airlines
Fri 4/1711:05 am
LIH
-
SEA
1 stop21h 58m
Multiple Airlines
Deal found 2/21$314
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:15 pm
SEA
-
LIH
1 stop17h 41m
Multiple Airlines
Tue 5/51:47 pm
LIH
-
SEA
1 stop15h 42m
Multiple Airlines
Deal found 2/23$315
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 5/56:02 pm
SEA
-
LIH
Nonstop6h 24m
Alaska Airlines
Tue 5/193:40 pm
LIH
-
SEA
1 stop15h 40m
Alaska Airlines
Deal found 2/22$316
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 4/272:30 pm
SEA
-
LIH
Nonstop6h 10m
Delta
Mon 5/48:20 pm
LIH
-
SEA
Nonstop5h 43m
Delta
Deal found 2/23$317
This Trip.com deal was found by Cheapflights users on 2/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:15 am
SEA
-
LIH
1 stop8h 31m
Multiple Airlines
Wed 4/2210:26 pm
LIH
-
SEA
Nonstop5h 49m
Multiple Airlines
Deal found 2/23$318
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 4/275:50 pm
SEA
-
LIH
1 stop18h 21m
Multiple Airlines
Tue 5/51:47 pm
LIH
-
SEA
1 stop15h 42m
Multiple Airlines
Deal found 2/21$321
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/2711:35 am
SEA
-
LIH
1 stop11h 18m
United Airlines
Mon 5/49:00 pm
LIH
-
SEA
2 stops12h 25m
United Airlines
Deal found 2/23$322
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 4/226:59 pm
SEA
-
LIH
1 stop23h 46m
Multiple Airlines
Mon 4/2710:26 pm
LIH
-
SEA
Nonstop5h 49m
Multiple Airlines
Deal found 2/22$323
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:30 pm
SEA
-
LIH
1 stop17h 27m
Multiple Airlines
Tue 3/241:37 pm
LIH
-
SEA
1 stop16h 01m
Multiple Airlines
Deal found 2/21$324
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:05 am
SEA
-
LIH
1 stop8h 49m
Multiple Airlines
Tue 3/241:37 pm
LIH
-
SEA
1 stop16h 01m
Multiple Airlines
Deal found 2/24$325

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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Kiwi.com)

One-way from

$108
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$584

Good round-trip deal

$430 or less

Good one-way deal

$241 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lihue flights.
Search Deals
From Seattle/Tacoma Intl to Kaua'i
Search Deals
One-way flight from Seattle/Tacoma Intl to Kaua'i
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kaua'i.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Kaua'i.
Search Deals

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 February 25, 2026.
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

Mon 4/27

6:02 pm-9:26 pm

Nonstop6h 24m

Lihue

Mon 5/4

10:26 pm-7:15 am

Nonstop5h 49m

$317

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 4/16

2:30 pm-5:40 pm

Nonstop6h 10m

Lihue

Tue 4/21

9:25 pm-9:53 am

1 stop9h 28m

$326

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 3/16

2:30 pm-5:41 pm

Nonstop6h 11m

Lihue

Tue 3/24

10:05 pm-10:26 am

1 stop9h 21m

$326

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 4/27

8:45 am-5:56 pm

2 stops12h 11m

Lihue

Mon 5/4

9:00 pm-12:25 pm

2 stops12h 25m

$347

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 5/3

2:30 pm-5:40 pm

Nonstop6h 10m

Lihue

Mon 5/11

9:40 pm-6:32 am

Nonstop5h 52m

$347

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 5/15

3:55 pm-7:06 pm

Nonstop6h 11m

Lihue

Wed 5/20

9:40 pm-6:32 am

Nonstop5h 52m

$347

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 5/20

8:08 am-4:31 pm

1 stop11h 23m

Lihue

Wed 5/27

10:26 pm-7:15 am

Nonstop5h 49m

$385

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 3/22

7:38 pm-2:10 pm

1 stop21h 32m

Lihue

Tue 3/31

1:37 pm-8:38 am

1 stop16h 01m

$404

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sat 5/2

6:02 pm-9:26 pm

Nonstop6h 24m

Lihue

Fri 5/8

7:21 am-12:53 am

1 stop14h 32m

$422

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 4/6

8:42 pm-11:12 am

1 stop17h 30m

Lihue

Tue 4/14

2:40 pm-8:06 am

1 stop14h 26m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 24 results
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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 $214). Flying from Seattle to Kaua'i in August is currently the most expensive (average of $357). 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 February 25, 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 February 25, 2026.

The most flights from SEA to zzFUS are scheduled on a Tuesday (10 on average). You will have fewer flight options on Wednesday, 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 February 25, 2026.
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
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,950 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Southwest
8.0
Very good
4,300 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,238 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Hawaiian Airlines
7.8
Good
2,836 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,345 reviews
Alaska Airlines
8.0
Very good
11,950 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

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 5 times in the past calendar month.

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

    Alaska Airlines, Delta, and United Airlines can get you from Seattle to Kaua'i in just under 6h 10m. Your travel time can differ by up to 6h 01m. 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 Southwest, which is currently one of the cheapest options available, starting at $118. Delta flights start at $155 while deals on Alaska Airlines start at $189 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: Qatar Airways (73%), British Airways (72%), KLM( 60%).

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

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Seattle/Tacoma Intl - Lihue) can be booked for $278 on average, our data indicates $416 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 $214). Flying from Seattle to Kaua'i in August is currently the most expensive (average of $357). 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.

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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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$519FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$247Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$503FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$294Average$662FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$294Average$616FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$317Average$693FlexibilityNo cancel feeOn-time63%

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