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Cheap flights from Kaua'i to Seattle (SEA)

LIH — SEA
Oct 19 — Oct 261
Mon 10/19
Mon 10/26
1 adult, Economy
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Find flight deals from Kaua'i to Seattle

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$363
(Expedia)

One-way from

$113
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$576

Good round-trip deal

$486 or less

Good one-way deal

$329 or less
Provider with most accurate pricing for Lihue-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Lihue-Seattle/Tacoma Intl flights.
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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. 17% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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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 $319). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $808). 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?

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.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines 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
7.9
Good
12,949 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,949 reviews
Alaska Airlines
7.9
Good
12,949 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,591 reviews
Alaska Airlines
7.9
Good
12,949 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

  • 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?

    Alaska Airlines, United Airlines, and Southwest can get you from Kaua'i to Seattle in just under 9h 23m. 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 United Airlines ($158), Delta ($164), and Southwest ($198).

  • 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: Air France (88%), KLM (87%), Delta (87%).

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

    On average you can expect to pay $881 for a flight from Kaua'i to Seattle. The cheapest flight overall is $222 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $393.

  • 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 $319). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $808). 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
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
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Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Top 2 airlines flying from Kaua'i to Seattle

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$455FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$307Average$611FlexibilityNo cancel feeOn-time75%

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