$158+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Kaua'i with Cheapflights
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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
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Best
Last-minute
One-way
Cheapest flights from Seattle to Kaua'iExplore 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 May 26, 2026.
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 May 26, 2026.
This Southwest deal was found by Cheapflights users on 5/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Sun 8/238:25 pm
LIH
- SEA
1 stop13h 25m
Southwest
Deal found 5/23![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Thu 8/279:25 pm
LIH
- SEA
1 stop8h 10m
Southwest
Deal found 5/25![Southwest logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 8/194:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Mon 8/249:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:36 am
SEA
- LIH
1 stop11h 13m
Multiple Airlines
Thu 10/19:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Mon 8/318:25 pm
LIH
- SEA
2 stops15h 35m
Southwest
Deal found 5/25![Southwest logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:08 pm
SEA
- LIH
Nonstop6h 15m
Multiple Airlines
Sun 8/232:30 pm
LIH
- SEA
1 stop29h 53m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:20 am
SEA
- LIH
1 stop13h 00m
Delta
Wed 11/49:45 pm
LIH
- SEA
Nonstop5h 52m
Delta
Deal found 5/25![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 8/105:00 am
SEA
- LIH
1 stop14h 10m
Southwest
Mon 8/248:25 pm
LIH
- SEA
1 stop11h 05m
Southwest
Deal found 5/21![Southwest logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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 8/249:18 pm
SEA
- LIH
1 stop15h 18m
Multiple Airlines
Mon 8/3110:31 am
LIH
- SEA
1 stop9h 52m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 10/208:44 pm
SEA
- LIH
1 stop19h 18m
Multiple Airlines
Tue 11/34:50 pm
LIH
- SEA
1 stop13h 32m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 10/226:11 pm
SEA
- LIH
Nonstop6h 19m
Alaska Airlines
Mon 11/211:24 pm
LIH
- SEA
Nonstop5h 51m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$417
Best flights from Seattle to Kaua'iDiscover carefully curated flight deals from Seattle to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
Discover carefully curated flight deals from Seattle to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:59 pm
SEA
- LIH
Nonstop6h 08m
Delta
Mon 8/248:32 pm
LIH
- SEA
1 stop10h 25m
Delta
Deal found 5/25![Delta logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 8/198:35 pm
SEA
- LIH
1 stop16h 01m
Multiple Airlines
Mon 8/249:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 5/24. 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 6/96:30 am
SEA
- LIH
2 stops12h 40m
Southwest
Mon 6/159:10 pm
LIH
- SEA
1 stop8h 00m
Southwest
Deal found 5/24![Southwest logo]()
$532
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Mon 8/2410:48 pm
LIH
- SEA
2 stops13h 51m
United Airlines
Deal found 5/24![United Airlines logo]()
$578
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 8/138:05 am
SEA
- LIH
1 stop10h 08m
Multiple Airlines
Mon 8/249:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 5/21. 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 8/133:55 pm
SEA
- LIH
Nonstop6h 08m
Delta
Mon 8/249:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 5/21![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 5/23. 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 7/93:50 pm
SEA
- LIH
Nonstop6h 08m
Delta
Mon 7/139:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 5/23![Delta logo]()
$589
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:13 pm
SEA
- LIH
Nonstop6h 12m
Multiple Airlines
Sun 6/218:03 pm
LIH
- SEA
1 stop16h 49m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$594
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 6/186:13 pm
SEA
- LIH
Nonstop6h 12m
Multiple Airlines
Thu 7/911:14 am
LIH
- SEA
1 stop9h 45m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$594
Last-minute flights from Seattle to Kaua'iDiscover last-minute flight deals from Seattle to Kaua'i. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kaua'i. Data last updated May 26, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sun 5/247:00 am
SEA
- LIH
2 stops14h 05m
Southwest
Tue 5/268:10 pm
LIH
- SEA
1 stop11h 45m
Southwest
Deal found 5/22![Southwest logo]()
$507
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:30 pm
SEA
- LIH
1 stop9h 12m
United Airlines
Mon 6/11:17 pm
LIH
- SEA
1 stop9h 12m
United Airlines
Deal found 5/25![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 am
SEA
- LIH
1 stop11h 50m
Southwest
Tue 6/29:10 pm
LIH
- SEA
1 stop8h 30m
Southwest
Deal found 5/25![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Fri 5/295:00 am
SEA
- LIH
1 stop9h 50m
United Airlines
Tue 6/21:17 pm
LIH
- SEA
1 stop8h 56m
United Airlines
Deal found 5/26![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 6/31:30 pm
SEA
- LIH
1 stop9h 12m
United Airlines
Wed 6/101:17 pm
LIH
- SEA
1 stop8h 56m
United Airlines
Deal found 5/22![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 5/26. 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.
Thu 6/410:25 am
SEA
- LIH
1 stop8h 45m
Southwest
Mon 6/88:20 am
LIH
- SEA
2 stops12h 30m
Southwest
Deal found 5/26![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 5/26. 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.
Thu 6/410:25 am
SEA
- LIH
1 stop8h 45m
Southwest
Sun 6/79:10 pm
LIH
- SEA
1 stop10h 55m
Southwest
Deal found 5/26![Southwest logo]()
$496
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:15 am
SEA
- LIH
1 stop12h 55m
Southwest
Mon 6/88:20 am
LIH
- SEA
2 stops12h 45m
Southwest
Deal found 5/25![Southwest logo]()
$452
One-way flights from Seattle to Kaua'iSearch for one-way flight options from Seattle to Kaua'i. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
Search for one-way flight options from Seattle to Kaua'i. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 5/25![United Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 5/24![United Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 5/25![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 5/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Deal found 5/23![Southwest logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:35 pm
SEA
- LIH
1 stop16h 01m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Thu 8/2011:41 am
SEA
- LIH
1 stop11h 28m
American Airlines
Deal found 5/24![American Airlines logo]()
$208
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:15 am
SEA
- LIH
1 stop9h 35m
United Airlines
Deal found 5/23![United Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 5/25![United Airlines logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 9/293:45 pm
SEA
- LIH
1 stop20h 57m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$216
This Southwest deal was found by Cheapflights users on 5/21. 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 8/257:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Deal found 5/21![Southwest logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 8/194:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$219
Find 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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $386 (Southwest) |
One-way from | $158 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $505 |
Good round-trip deal | $588 or less |
Good one-way deal | $344 or less |
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 May 26, 2026.
Use the filters below to find and compare flights from Seattle to Kaua'i that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 8/19
3:59 pm-7:07 pm
Nonstop6h 08m
Lihue
Mon 8/24
8:32 pm-9:57 am
1 stop10h 25m
$406
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 8/19
8:35 pm-9:36 am
1 stop16h 01m
Lihue
Mon 8/24
9:35 pm-6:20 am
Nonstop5h 45m
$406
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/13
8:05 am-3:13 pm
1 stop10h 08m
Lihue
Mon 8/24
9:35 pm-6:20 am
Nonstop5h 45m
$498
Quickest round-trip
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/13
3:55 pm-7:03 pm
Nonstop6h 08m
Lihue
Mon 8/24
9:55 pm-6:40 am
Nonstop5h 45m
$513
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Tue 6/9
6:30 am-4:10 pm
2 stops12h 40m
Lihue
Mon 6/15
9:10 pm-8:10 am
1 stop8h 00m
$532
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/13
10:55 am-7:44 pm
1 stop11h 49m
Lihue
Mon 8/24
10:48 pm-3:39 pm
2 stops13h 51m
$578
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 7/9
3:50 pm-6:58 pm
Nonstop6h 08m
Lihue
Mon 7/13
9:55 pm-6:40 am
Nonstop5h 45m
$589
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Tue 6/16
6:13 pm-9:25 pm
Nonstop6h 12m
Lihue
Sun 6/21
8:03 pm-3:52 pm
1 stop16h 49m
$594
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 6/18
6:13 pm-9:25 pm
Nonstop6h 12m
Lihue
Thu 7/9
11:14 am-11:59 pm
1 stop9h 45m
$594
Cheapest one-way
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 8/5
1:30 pm-7:42 pm
1 stop9h 12m
$209
Showing 1-10 of 20 resultsSorted by cheapest first
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.
SEA-LIH
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
SEA-zzFUS
SEA-LIH
What is the cheapest month to book a flight from Seattle to Kaua'i?
Currently, April is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $178). Flying from Seattle to Kaua'i in July is currently the most expensive (average of $351). 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 May 26, 2026.
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 May 26, 2026.
The most flights from SEA to zzFUS are scheduled on a Saturday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).
How far ahead should I book a flight from Seattle to Kaua'i?
Booking 61 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.
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 May 26, 2026.
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.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$467 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$225 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$517 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$611 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$317 | Average$683 | FlexibilityNo cancel fee | On-time63% |