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$138+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SEA
May 13 — May 201
Wed 5/13
Wed 5/20
1 adult, Economy
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Cheap 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 April 13, 2026.

This Delta deal was found by Cheapflights users on 4/11. 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 5/48:20 pm
LIH
-
SEA
Nonstop5h 43m
Delta
Thu 5/143:55 pm
SEA
-
LIH
Nonstop6h 11m
Delta
Deal found 4/11$357
This Cheapflightsfares deal was found by Cheapflights users on 4/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:11 am
LIH
-
SEA
1 stop13h 42m
Multiple Airlines
Thu 5/146:06 pm
SEA
-
LIH
Nonstop6h 20m
Multiple Airlines
Deal found 4/9$381
This Southwest deal was found by Cheapflights users on 4/12. 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.
Wed 5/69:10 pm
LIH
-
SEA
1 stop10h 55m
Southwest
Sun 5/106:50 am
SEA
-
LIH
1 stop12h 20m
Southwest
Deal found 4/12$386
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Sat 5/210:46 am
LIH
-
SEA
Nonstop5h 55m
Alaska Airlines
Wed 5/66:02 pm
SEA
-
LIH
Nonstop6h 24m
Alaska Airlines
Deal found 4/10$387
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:46 pm
LIH
-
SEA
1 stop16h 24m
Multiple Airlines
Tue 6/26:06 pm
SEA
-
LIH
Nonstop6h 20m
Multiple Airlines
Deal found 4/8$395
This Delta deal was found by Cheapflights users on 4/12. 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.
Wed 5/68:20 pm
LIH
-
SEA
Nonstop5h 43m
Delta
Sun 5/1010:15 am
SEA
-
LIH
1 stop10h 25m
Delta
Deal found 4/12$396
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Tue 5/2610:44 pm
LIH
-
SEA
1 stop10h 50m
United Airlines
Tue 6/21:30 pm
SEA
-
LIH
1 stop9h 12m
United Airlines
Deal found 4/8$403
This Alaska Airlines deal was found by Cheapflights users on 4/11. 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 5/49:00 pm
LIH
-
SEA
1 stop8h 47m
Multiple Airlines
Thu 5/146:52 pm
SEA
-
LIH
1 stop23h 23m
Multiple Airlines
Deal found 4/11$408
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:40 pm
LIH
-
SEA
1 stop18h 10m
Multiple Airlines
Wed 5/66:02 pm
SEA
-
LIH
Nonstop6h 24m
Multiple Airlines
Deal found 4/10$411

Find 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 April 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(Delta)

One-way from

$168
(Southwest)

Popular in

June

Cheapest in

April

Average price

$319

Good round-trip deal

$480 or less

Good one-way deal

$294 or less
Provider with most accurate pricing for Lihue-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lihue-Seattle/Tacoma Intl flights.
Search Deals
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. 19% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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

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 April 13, 2026.
Use the filters below to find and compare flights from Kaua'i to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/6

9:10 pm-11:05 am

1 stop10h 55m

Seattle/Tacoma Intl

Sun 5/10

6:50 am-6:05 pm

2 stops14h 15m

$404

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/6

8:56 am-8:47 am

1 stop20h 51m

Seattle/Tacoma Intl

Sun 5/10

6:02 pm-9:26 pm

Nonstop6h 24m

$412

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/20

10:26 pm-7:15 am

Nonstop5h 49m

Seattle/Tacoma Intl

Sun 6/7

8:50 pm-6:40 am

1 stop12h 50m

$412
Quickest round-trip

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/6

10:46 am-7:41 pm

Nonstop5h 55m

Seattle/Tacoma Intl

Sun 5/10

6:02 pm-9:26 pm

Nonstop6h 24m

$417

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/6

9:49 am-9:31 pm

1 stop8h 42m

Seattle/Tacoma Intl

Sun 5/10

10:00 am-4:32 pm

1 stop9h 32m

$437

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 8/5

9:25 pm-8:35 am

1 stop8h 10m

Seattle/Tacoma Intl

Tue 8/11

7:40 am-4:10 pm

1 stop11h 30m

$466

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Tue 5/12

9:55 pm-6:45 am

Nonstop5h 50m

Seattle/Tacoma Intl

Tue 5/19

10:15 am-5:40 pm

1 stop10h 25m

$473

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Thu 8/13

9:25 pm-8:35 am

1 stop8h 10m

Seattle/Tacoma Intl

Mon 8/17

9:20 am-4:10 pm

1 stop9h 50m

$489

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Sat 5/2

6:15 am-10:30 pm

2 stops13h 15m

Seattle/Tacoma Intl

Tue 5/5

5:30 am-6:05 pm

2 stops15h 35m

$499

LihueSeattle

LIH - SEA

LIHSEA

Lihue

Wed 5/13

9:10 pm-11:05 am

1 stop10h 55m

Seattle/Tacoma Intl

Wed 5/20

7:50 am-9:25 pm

2 stops16h 35m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 22 resultsSorted by cheapest first
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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 $262). Flying from Kaua'i to Seattle in March is currently the most expensive (average of $592). 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 April 13, 2026.

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 April 13, 2026.

The most flights from zzFUS to SEA are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, 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 April 13, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,226 reviews

Food

7.0

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,226 reviews
Alaska Airlines
7.9
Good
12,226 reviews

Food

7.0

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,407 reviews
Alaska Airlines
7.9
Good
12,226 reviews

Food

7.0

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,838 reviews
Alaska Airlines
7.9
Good
12,226 reviews

Food

7.0

Overall

7.9

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 2 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, Southwest, and Alaska Airlines can get you from Kaua'i to Seattle in just under 5h 43m. Your travel time can differ by up to 5h 12m. 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 Hawaiian Airlines ($183).

  • 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: KLM (100%), Air France (100%), Delta (85%).

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

    On average you can expect to pay $744 for a flight from Kaua'i to Seattle. The cheapest flight overall is $255 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $387.

  • 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 $262). Flying from Kaua'i to Seattle in March is currently the most expensive (average of $592). 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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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 April 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$217Average$427FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$299Average$582FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$307Average$602FlexibilityNo cancel feeOn-time75%

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