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$169+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SEA
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
1 adult, Economy
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Cheap 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 junio 26, 2025.

Round-trip from

$338
(Delta)

One-way from

$169
(Alaska Airlines)

Popular in

March

Cheapest in

December

Average price

$600

Good round-trip deal

$290 or less

Good one-way deal

$275 or less
From Kaua'i to Seattle/Tacoma Intl
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One-way flight from Kaua'i to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Kaua'i to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Kaua'i to Seattle/Tacoma Intl.
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Find 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 junio 26, 2025.

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.
mar. 9/99:40 pmLIH - SEA
Nonstop5h 49mDelta
mié. 9/173:59 pmSEA - LIH
Nonstop6h 23mDelta
Deal found 6/25$338
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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.
mar. 9/99:00 pmLIH - SEA
1 stop7h 54mAlaska Airlines
mié. 9/176:19 pmSEA - LIH
Nonstop6h 11mAlaska Airlines
Deal found 6/26$343
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/79:32 pmLIH - SEA
Nonstop5h 44mHawaiian Airlines
jue. 8/146:45 pmSEA - LIH
Nonstop6h 09mHawaiian Airlines
Deal found 6/24$468
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/141:13 pmLIH - SEA
2 stops21h 15mUnited Airlines
sáb. 9/202:29 pmSEA - LIH
1 stop8h 29mUnited Airlines
Deal found 6/25$533
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/228:00 amLIH - SEA
2 stops12h 05mSouthwest
lun. 7/285:15 amSEA - LIH
1 stop13h 45mSouthwest
Deal found 6/23$645
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/96:59 pmLIH - SEA
2 stops12h 27mAmerican Airlines
mié. 9/173:23 pmSEA - LIH
1 stop23h 51mAmerican Airlines
Deal found 6/25$653
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:40 pmLIH - SEA
2 stops12h 10mMultiple Airlines
mié. 9/1712:00 pmSEA - LIH
2 stops13h 12mMultiple Airlines
Deal found 6/24$911

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 junio 26, 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

mar. 9/9

9:40 pm-6:29 am

Nonstop5h 49m

Seattle/Tacoma Intl

mié. 9/17

3:59 pm-7:22 pm

Nonstop6h 23m

$338

LihueSeattle

LIH - SEA

LIHSEA

Lihue

mar. 9/9

9:00 pm-7:54 am

1 stop7h 54m

Seattle/Tacoma Intl

mié. 9/17

6:19 pm-9:30 pm

Nonstop6h 11m

$343

LihueSeattle

LIH - SEA

LIHSEA

Lihue

jue. 8/7

9:32 pm-6:16 am

Nonstop5h 44m

Seattle/Tacoma Intl

jue. 8/14

6:45 pm-9:54 pm

Nonstop6h 09m

$468

LihueSeattle

LIH - SEA

LIHSEA

Lihue

dom. 9/14

1:13 pm-1:28 pm

2 stops21h 15m

Seattle/Tacoma Intl

sáb. 9/20

2:29 pm-7:58 pm

1 stop8h 29m

$533

LihueSeattle

LIH - SEA

LIHSEA

Lihue

mar. 7/22

8:00 am-11:05 pm

2 stops12h 05m

Seattle/Tacoma Intl

lun. 7/28

5:15 am-4:00 pm

1 stop13h 45m

$645

LihueSeattle

LIH - SEA

LIHSEA

Lihue

mar. 9/9

6:59 pm-10:26 am

2 stops12h 27m

Seattle/Tacoma Intl

mié. 9/17

3:23 pm-12:14 pm

1 stop23h 51m

$653

LihueSeattle

LIH - SEA

LIHSEA

Lihue

mar. 9/9

9:40 pm-12:50 pm

2 stops12h 10m

Seattle/Tacoma Intl

mié. 9/17

12:00 pm-10:12 pm

2 stops13h 12m

$911

LihueSeattle

LIH - SEA

LIHSEA

Lihue

lun. 9/8

10:30 pm-7:15 am

Nonstop5h 45m

$169

LihueSeattle

LIH - SEA

LIHSEA

Lihue

dom. 9/14

9:40 pm-10:26 am

1 stop9h 46m

$179

LihueSeattle

LIH - SEA

LIHSEA

Lihue

dom. 10/26

9:45 pm-6:40 am

Nonstop5h 55m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 13 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, January is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $238). Flying from Kaua'i to Seattle in July is currently the most expensive (average of $391). 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 junio 26, 2025.

When flying from Kaua'i to Seattle, 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 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 junio 26, 2025.

The most flights from zzFUS to SEA are scheduled on a Thursday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 junio 26, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,522 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 Alaska Airlines ($169), American Airlines ($179), and United Airlines ($219).

  • 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%), KLM (97%), Delta (97%).

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

    On average you can expect to pay $1,042 for a flight from Kaua'i to Seattle. The cheapest flight overall is $176 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $338.

  • 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, January is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $238). Flying from Kaua'i to Seattle in July is currently the most expensive (average of $391). 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 Kaua'i?

Book flights to Kaua'i if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale

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 junio 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$266Average$414FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$273Average$666FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$322Average$500FlexibilityNo cancel feeOn-time75%

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