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Kaua'i

$184+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap 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 April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(lastminute.com)

One-way from

$189
(Alaska Airlines)

Popular in

February

Cheapest in

January

Average price

$631

Good round-trip deal

$590 or less

Good one-way deal

$294 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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From Seattle/Tacoma Intl to Kaua'i
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One-way flight from Seattle/Tacoma Intl to Kaua'i
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Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
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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 April 2025
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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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Find 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 April 25, 2025.

This lastminute.com deal was found by Cheapflights users on 4/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:00 amSEA - LIH
1 stop8h 15mHawaiian Airlines
Wed 5/289:00 pmLIH - SEA
1 stop8h 35mHawaiian Airlines
Deal found 4/24$363
This flugladen.de deal was found by Cheapflights users on 4/24. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:16 pmSEA - LIH
Nonstop6h 17mMultiple Airlines
Wed 5/288:44 amLIH - SEA
1 stop8h 41mMultiple Airlines
Deal found 4/24$376
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 4/296:42 amSEA - LIH
1 stop11h 16mAmerican Airlines
Wed 5/79:40 pmLIH - SEA
1 stop10h 12mAmerican Airlines
Deal found 4/24$377
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:16 pmSEA - LIH
Nonstop6h 17mAlaska Airlines
Mon 6/912:46 pmLIH - SEA
Nonstop5h 49mAlaska Airlines
Deal found 4/25$378
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 5/153:50 pmSEA - LIH
Nonstop6h 10mDelta
Tue 5/209:45 pmLIH - SEA
Nonstop5h 53mDelta
Deal found 4/23$398
This deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:05 amSEA - LIH
1 stop9h 42mUnited Airlines
Thu 5/151:20 pmLIH - SEA
1 stop8h 39mUnited Airlines
Deal found 4/23$427
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:00 amSEA - LIH
1 stop11h 00mSouthwest
Thu 8/288:40 pmLIH - SEA
1 stop10h 45mSouthwest
Deal found 4/24$462

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 April 25, 2025.
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 5/19

10:00 am-3:15 pm

1 stop8h 15m

Lihue

Wed 5/28

9:00 pm-8:35 am

1 stop8h 35m

$363

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 5/19

6:16 pm-9:33 pm

Nonstop6h 17m

Lihue

Wed 5/28

8:44 am-8:25 pm

1 stop8h 41m

$376

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 6/2

6:16 pm-9:33 pm

Nonstop6h 17m

Lihue

Mon 6/9

12:46 pm-9:35 pm

Nonstop5h 49m

$378

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 5/15

3:50 pm-7:00 pm

Nonstop6h 10m

Lihue

Tue 5/20

9:45 pm-6:38 am

Nonstop5h 53m

$398

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 5/8

5:05 am-11:47 am

1 stop9h 42m

Lihue

Thu 5/15

1:20 pm-12:59 am

1 stop8h 39m

$427

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 5/7

5:45 pm-2:55 pm

1 stop24h 10m

Lihue

Wed 5/14

9:40 pm-10:52 am

1 stop10h 12m

$438

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Tue 8/19

8:00 am-4:00 pm

1 stop11h 00m

Lihue

Thu 8/28

8:40 pm-10:25 am

1 stop10h 45m

$462

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 8/17

5:10 am-11:11 am

1 stop9h 01m

$184

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 5/26

6:16 pm-9:33 pm

Nonstop6h 17m

$189

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 5/26

9:55 am-5:49 pm

1 stop10h 54m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 13 results
1
2

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, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $440). Flying from Seattle to Kaua'i in June is currently the most expensive (average of $683). 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 April 25, 2025.

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 April 25, 2025.

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

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 April 25, 2025.
To help decide which airline to fly from Seattle to Kaua'i, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $189. Delta flights start at $209 while deals on United Airlines start at $243 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: Alaska Airlines (82%), Hawaiian Airlines (79%), KLM( 79%).

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

    Looking at all options, your cheapest flight can be booked for $189. While the most popular route (Seattle/Tacoma Intl - Lihue) can be booked for $378 on average our data indicates $1,186 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 $440). Flying from Seattle to Kaua'i in June is currently the most expensive (average of $683). 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

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Alternative routes for Seattle to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$393FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$249Average$604FlexibilityNo cancel feeOn-time63%
DeltaCheapest$269Average$500FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$275Average$524FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$280Average$558FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$319Average$587FlexibilityNo cancel feeOn-time75%

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