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Kaua'i

Cheap flights from Seattle (SEA) to Kaua'i

SEA — LIH
Oct 28 — Nov 41
Wed 10/28
Wed 11/4
1 adult, Economy
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Find flight deals from Seattle to Kaua'i

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

January

Average price

$564

Good round-trip deal

$456 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Lihue flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lihue flights.
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($12 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 Seattle/Tacoma Intl to Kaua'i.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Kaua'i.
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Cheapflights Insights

Everything you need to know about your flight from Seattle to Kaua'i

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

Booking 26 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.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $401). Flying from Seattle to Kaua'i in December is currently the most expensive (average of $709). 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?

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.

Reviews of airlines servicing Kaua'i

Read through reviews of airlines operating flights from Seattle to Kaua'i, such as Southwest,Alaska Airlines, 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.
Southwest
8.0
Very good
4,201 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,201 reviews
Southwest
8.0
Very good
4,201 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Alaska Airlines
7.9
Good
12,985 reviews
Southwest
8.0
Very good
4,201 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,610 reviews
Southwest
8.0
Very good
4,201 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
United Airlines
7.4
Good
10,251 reviews
Southwest
8.0
Very good
4,201 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • 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 3 times in the past calendar month.

  • 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 $155. United Airlines flights start at $198 while deals on Alaska 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: British Airways (77%), Scandinavian Airlines (74%), KLM( 72%).

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

    Looking at all options, your cheapest flight can be booked for $140. While the most popular route (Seattle/Tacoma Intl - Lihue) can be booked for $396 on average, our data indicates $455 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, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $401). Flying from Seattle to Kaua'i in December is currently the most expensive (average of $709). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Seattle to Kaua'i

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$519FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$504FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$283Average$614FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$439Average$549FlexibilityNo cancel feeOn-time63%

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