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$119+ Cheap flights from Kaua'i to Seattle (SEA)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SEA
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Kaua'i to Seattle

Cheapest flights from Kaua'i to Seattle
Explore the most affordable flight options available from Kaua'i to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/14. 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 12/259:20 pmLIH - SEA
Nonstop5h 40mDelta
Mon 12/291:40 pmSEA - LIH
Nonstop6h 20mDelta
Deal found 12/14$578
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:25 pmLIH - SEA
Nonstop5h 50mAlaska Airlines
Sat 12/205:50 pmSEA - LIH
Nonstop6h 33mAlaska Airlines
Deal found 12/16$687
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:25 pmLIH - SEA
Nonstop5h 50mAlaska Airlines
Fri 12/195:50 pmSEA - LIH
Nonstop6h 33mAlaska Airlines
Deal found 12/16$688
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:30 pmLIH - SEA
1 stop8h 20mUnited Airlines
Fri 12/195:00 amSEA - LIH
1 stop10h 14mUnited Airlines
Deal found 12/16$697
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/259:35 pmLIH - SEA
2 stops12h 52mUnited Airlines
Mon 12/2912:35 pmSEA - LIH
1 stop12h 09mUnited Airlines
Deal found 12/14$702
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:59 amLIH - SEA
1 stop9h 33mMultiple Airlines
Sat 12/205:50 pmSEA - LIH
Nonstop6h 33mMultiple Airlines
Deal found 12/16$703
This Southwest deal was found by Cheapflights users on 12/14. 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.
Thu 12/257:05 pmLIH - SEA
2 stops12h 15mSouthwest
Mon 12/297:00 amSEA - LIH
2 stops13h 15mSouthwest
Deal found 12/14$834
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/2211:23 pmLIH - SEA
Nonstop5h 54mMultiple Airlines
Fri 12/2611:50 amSEA - LIH
1 stop9h 53mMultiple Airlines
Deal found 12/15$873
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/221:19 pmLIH - SEA
Nonstop5h 45mAlaska Airlines
Fri 12/265:50 pmSEA - LIH
Nonstop6h 33mAlaska Airlines
Deal found 12/15$898

Find flight deals from Kaua'i to Seattle

Keep the following information in mind while searching for Kaua'i to Seattle flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$119
(Southwest)

Popular in

March

Cheapest in

February

Average price

$500

Good round-trip deal

$377 or less

Good one-way deal

$298 or less
Provider with most accurate pricing for Lihue-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lihue-Seattle/Tacoma Intl flights.
Search Deals
From Kaua'i to Seattle/Tacoma Intl
Search Deals
One-way flight from Kaua'i to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Kaua'i to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Kaua'i to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaua'i to Seattle 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 16, 2025.
Use the filters below to find and compare flights from Kaua'i to Seattle that are best for you.

Fly from

Kaua'i

Fly to

Seattle

Route

Depart

Return

Price

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 1/15

10:10 pm-10:55 am

1 stop10h 45m

Seattle/Tacoma Intl

Thu 1/29

6:00 am-4:37 pm

1 stop12h 37m

$237

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 1/15

9:28 am-9:02 pm

1 stop9h 34m

Seattle/Tacoma Intl

Mon 1/19

6:15 pm-10:41 pm

Nonstop6h 26m

$253

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 1/21

10:45 pm-6:27 am

Nonstop5h 42m

Seattle/Tacoma Intl

Mon 1/26

3:35 pm-7:55 pm

Nonstop6h 20m

$270

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 1/12

10:20 pm-6:11 am

Nonstop5h 51m

Seattle/Tacoma Intl

Sun 1/18

6:15 pm-10:41 pm

Nonstop6h 26m

$270

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Fri 1/16

10:45 pm-6:27 am

Nonstop5h 42m

Seattle/Tacoma Intl

Sun 2/1

2:30 pm-6:46 pm

Nonstop6h 16m

$270

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 1/15

10:20 pm-6:11 am

Nonstop5h 51m

Seattle/Tacoma Intl

Mon 1/19

6:15 pm-10:41 pm

Nonstop6h 26m

$270

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 1/15

7:49 pm-7:40 am

1 stop9h 51m

Seattle/Tacoma Intl

Mon 1/19

3:45 pm-10:23 pm

1 stop8h 38m

$288

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Fri 1/16

10:45 pm-6:27 am

Nonstop5h 42m

Seattle/Tacoma Intl

Wed 1/21

7:15 am-6:31 pm

1 stop13h 16m

$288

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Fri 1/16

10:20 pm-6:11 am

Nonstop5h 51m

Seattle/Tacoma Intl

Sun 2/1

7:45 pm-11:10 am

1 stop17h 25m

$310

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 1/19

11:00 pm-6:05 pm

1 stop17h 05m

Seattle/Tacoma Intl

Sun 1/25

6:00 am-4:37 pm

1 stop12h 37m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 results
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Best time to book a flight from Kaua'i to Seattle

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

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

Currently, April is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $179). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $423). 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 FUS to SEA?

Find hourly flight availability from Kaua'i to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s optimal to fly from Kaua'i to Seattle in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Kaua'i to Seattle

Explore weekly flight availability from Kaua'i to Seattle. 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 December 16, 2025.

The most flights from zzFUS to SEA are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Kaua'i to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,465 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

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

    For a flight from Kaua'i to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

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

    The Kaua'i to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    American Airlines, Delta, and Alaska Airlines can get you from Kaua'i to Seattle in just under 5h 42m. Your travel time can differ by up to 5h 03m. There are 2698 mi between Kaua'i and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Kaua'i to Seattle are Southwest ($128), United Airlines ($148), and Delta ($179).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kaua'i to Seattle on time: Scandinavian Airlines (100%), Air France (92%), KLM (87%).

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

    On average you can expect to pay $879 for a flight from Kaua'i to Seattle. The cheapest flight overall is $207 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $253.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $179). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $423). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Kaua'i to Seattle

Discover the top 3 airlines that operate flights from Kaua'i to Seattle. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$502FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$299Average$626FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$307Average$594FlexibilityNo cancel feeOn-time75%

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