HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$149+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kaua'i to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 20, 2025.

Round-trip from

$318
(Delta)

One-way from

$149
(Southwest)

Popular in

March

Cheapest in

December

Average price

$492

Good round-trip deal

$287 or less

Good one-way deal

$256 or less
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. 5% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

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 August 20, 2025.

This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 11/2410:45 pmLIH - SEA
Nonstop5h 56mDelta
Mon 12/13:59 pmSEA - LIH
Nonstop6h 23mDelta
Deal found 8/20$318
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 11/2411:32 pmLIH - SEA
Nonstop5h 48mAlaska Airlines
Mon 12/14:45 pmSEA - LIH
1 stop15h 33mAlaska Airlines
Deal found 8/20$323
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 11/1710:45 pmLIH - SEA
Nonstop5h 56mDelta
Tue 12/23:59 pmSEA - LIH
Nonstop6h 23mDelta
Deal found 8/18$338
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 11/173:20 pmLIH - SEA
1 stop12h 15mAlaska Airlines
Tue 12/25:54 pmSEA - LIH
Nonstop6h 31mAlaska Airlines
Deal found 8/18$343
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 9/99:40 pmLIH - SEA
Nonstop5h 49mDelta
Wed 9/173:55 pmSEA - LIH
Nonstop6h 04mDelta
Deal found 8/18$358
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 10/239:00 pmLIH - SEA
1 stop8h 13mAlaska Airlines
Tue 10/286:05 pmSEA - LIH
Nonstop6h 18mAlaska Airlines
Deal found 8/19$363
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 10/237:54 pmLIH - SEA
1 stop8h 06mAlaska Airlines
Thu 10/301:40 pmSEA - LIH
1 stop9h 50mAlaska Airlines
Deal found 8/19$368
This Delta deal was found by Cheapflights users on 8/19. 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 10/239:40 pmLIH - SEA
Nonstop5h 55mDelta
Thu 10/303:53 pmSEA - LIH
Nonstop6h 12mDelta
Deal found 8/19$378
This Delta deal was found by Cheapflights users on 8/19. 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 10/238:30 pmLIH - SEA
1 stop10h 33mDelta
Tue 10/287:45 pmSEA - LIH
2 stops24h 08mDelta
Deal found 8/19$386
This Delta deal was found by Cheapflights users on 8/18. 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 10/29:40 pmLIH - SEA
Nonstop5h 55mDelta
Thu 10/910:10 amSEA - LIH
1 stop9h 43mDelta
Deal found 8/18$388

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 August 20, 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

Mon 11/24

10:45 pm-6:41 am

Nonstop5h 56m

Seattle/Tacoma Intl

Mon 12/1

3:59 pm-8:22 pm

Nonstop6h 23m

$318

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 11/24

11:32 pm-7:20 am

Nonstop5h 48m

Seattle/Tacoma Intl

Mon 12/1

4:45 pm-6:18 am

1 stop15h 33m

$323

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 11/17

10:45 pm-6:41 am

Nonstop5h 56m

Seattle/Tacoma Intl

Tue 12/2

3:59 pm-8:22 pm

Nonstop6h 23m

$338

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 11/17

3:20 pm-5:35 am

1 stop12h 15m

Seattle/Tacoma Intl

Tue 12/2

5:54 pm-10:25 pm

Nonstop6h 31m

$343

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 9/18

9:40 pm-6:35 am

Nonstop5h 55m

Seattle/Tacoma Intl

Mon 9/22

3:55 pm-6:59 pm

Nonstop6h 04m

$358

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 10/23

10:31 pm-7:15 am

Nonstop5h 44m

Seattle/Tacoma Intl

Tue 10/28

6:05 pm-9:23 pm

Nonstop6h 18m

$358

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Tue 9/9

9:40 pm-6:29 am

Nonstop5h 49m

Seattle/Tacoma Intl

Wed 9/17

3:55 pm-6:59 pm

Nonstop6h 04m

$358

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 9/10

9:40 pm-6:29 am

Nonstop5h 49m

Seattle/Tacoma Intl

Mon 9/15

3:55 pm-6:59 pm

Nonstop6h 04m

$358

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Mon 11/17

10:00 am-8:40 pm

1 stop8h 40m

$149

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 9/10

9:40 pm-10:26 am

1 stop9h 46m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 17 results
1
2

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 June is currently the most expensive (average of $388). 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 August 20, 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 August 20, 2025.

The most flights from zzFUS to SEA are scheduled on a Wednesday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 August 20, 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
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,670 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

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

    Delta and Alaska Airlines can get you from Kaua'i to Seattle in just under 5h 48m. Your travel time will be generally consistent. There are 2698 mi between Kaua'i and Seattle. Generally, flights for this route are nonstop.

  • 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 (100%), Scandinavian Airlines (93%), KLM (92%).

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

    On average you can expect to pay $853 for a flight from Kaua'i to Seattle. The cheapest flight overall is $159 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $318.

  • 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 June is currently the most expensive (average of $388). 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
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$273Average$637FlexibilityNo cancel feeOn-time85%
DeltaCheapest$288Average$427FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$322Average$544FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.