$166+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Kaua'i 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
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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 July 24, 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 July 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 9/164:59 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Fri 9/253:45 pm
LIH
- SEA
1 stop26h 55m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 9/174:15 pm
SEA
- LIH
1 stop19h 55m
Multiple Airlines
Wed 9/233:45 pm
LIH
- SEA
1 stop13h 23m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 10/156:59 pm
SEA
- LIH
1 stop16h 30m
Multiple Airlines
Fri 10/231:58 pm
LIH
- SEA
1 stop17h 31m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$413
This Travelocity deal was found by Cheapflights users on 7/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:28 pm
SEA
- LIH
1 stop16h 02m
Multiple Airlines
Wed 11/183:04 pm
LIH
- SEA
1 stop15h 48m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$414
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Thu 8/2712:47 pm
LIH
- SEA
Nonstop5h 53m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:09 pm
SEA
- LIH
1 stop18h 14m
Multiple Airlines
Sun 10/2510:31 pm
LIH
- SEA
Nonstop5h 49m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 10/156:11 pm
SEA
- LIH
Nonstop6h 16m
Multiple Airlines
Sun 10/2512:42 pm
LIH
- SEA
1 stop17h 27m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:08 pm
SEA
- LIH
Nonstop6h 15m
Multiple Airlines
Fri 9/1110:51 am
LIH
- SEA
1 stop18h 12m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 9/285:00 am
SEA
- LIH
1 stop14h 10m
Southwest
Thu 10/156:15 am
LIH
- SEA
2 stops13h 25m
Southwest
Deal found 7/23![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Mon 8/2410:48 pm
LIH
- SEA
1 stop9h 38m
United Airlines
Deal found 7/21![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 7/21. 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 11/311:05 am
SEA
- LIH
2 stops12h 25m
Southwest
Mon 11/166:15 am
LIH
- SEA
2 stops11h 15m
Southwest
Deal found 7/21![Southwest logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/2212:15 pm
SEA
- LIH
1 stop10h 59m
United Airlines
Sat 8/2910:00 pm
LIH
- SEA
2 stops13h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$422
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 July 24, 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 July 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/298:35 pm
SEA
- LIH
1 stop16h 01m
Multiple Airlines
Tue 9/112:47 pm
LIH
- SEA
Nonstop5h 49m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 9/214:59 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Thu 9/2412:47 pm
LIH
- SEA
Nonstop5h 49m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Mon 10/1211:00 pm
LIH
- SEA
1 stop10h 23m
United Airlines
Deal found 7/21![United Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/224:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Sat 8/299:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/23![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 7/23. 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.
Tue 10/207:05 am
SEA
- LIH
2 stops14h 05m
Southwest
Wed 10/218:30 pm
LIH
- SEA
1 stop12h 15m
Southwest
Deal found 7/23![Southwest logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Fri 9/184:59 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Fri 9/253:45 pm
LIH
- SEA
1 stop14h 23m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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.
Sun 8/238:59 pm
SEA
- LIH
1 stop17h 21m
Multiple Airlines
Sun 8/309:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 9/44:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Fri 9/119:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 9/188:45 pm
SEA
- LIH
1 stop21h 57m
Multiple Airlines
Fri 9/253:45 pm
LIH
- SEA
1 stop14h 23m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$460
Last-minute flights from Seattle to Kaua'iDiscover last-minute flight deals from Seattle to Kaua'i. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kaua'i. Data last updated July 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Mon 8/2410:48 pm
LIH
- SEA
1 stop9h 38m
United Airlines
Deal found 7/21![United Airlines logo]()
$420
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Thu 8/2712:47 pm
LIH
- SEA
Nonstop5h 53m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$415
This Expedia deal was found by Cheapflights users on 7/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:10 pm
SEA
- LIH
1 stop17h 00m
Multiple Airlines
Mon 8/249:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/2212:15 pm
SEA
- LIH
1 stop10h 59m
United Airlines
Sat 8/2910:00 pm
LIH
- SEA
2 stops13h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/249:18 pm
SEA
- LIH
1 stop15h 18m
Multiple Airlines
Mon 8/312:30 pm
LIH
- SEA
1 stop12h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/254:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Thu 8/2712:47 pm
LIH
- SEA
Nonstop5h 53m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/258:35 pm
SEA
- LIH
1 stop16h 07m
Multiple Airlines
Thu 8/2710:51 am
LIH
- SEA
1 stop8h 09m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$423
This Hawaiian Airlines deal was found by Cheapflights users on 7/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:05 am
SEA
- LIH
1 stop9h 25m
Alaska Airlines
Mon 9/74:52 pm
LIH
- SEA
1 stop12h 21m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:35 pm
SEA
- LIH
1 stop16h 07m
Alaska Airlines
Tue 9/112:47 pm
LIH
- SEA
Nonstop5h 49m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/298:35 pm
SEA
- LIH
1 stop16h 01m
Multiple Airlines
Tue 9/110:51 am
LIH
- SEA
1 stop18h 12m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$425
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 July 24, 2026.
Search for one-way flight options from Seattle to Kaua'i. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 8/315:00 am
SEA
- LIH
1 stop14h 10m
Southwest
Deal found 7/23![Southwest logo]()
$166
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Deal found 7/21![United Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 10/110:55 am
SEA
- LIH
1 stop11h 49m
United Airlines
Deal found 7/22![United Airlines logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:44 pm
SEA
- LIH
1 stop18h 58m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$198
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:35 pm
SEA
- LIH
1 stop16h 01m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 7/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:40 am
SEA
- LIH
1 stop11h 30m
Southwest
Deal found 7/19![Southwest logo]()
$202
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/221:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 7/22![United Airlines logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:11 pm
SEA
- LIH
Nonstop6h 16m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 10/175:59 pm
SEA
- LIH
1 stop18h 44m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 10/219:55 am
SEA
- LIH
1 stop10h 43m
Delta
Deal found 7/23![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:05 pm
SEA
- LIH
Nonstop6h 05m
Delta
Deal found 7/22![Delta 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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $408 (Alaska Airlines) |
One-way from | $166 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $708 |
Good round-trip deal | $466 or less |
Good one-way deal | $263 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 July 24, 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
Sat 8/29
8:35 pm-9:36 am
1 stop16h 01m
Lihue
Tue 9/1
12:47 pm-9:36 pm
Nonstop5h 49m
$416
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Mon 9/21
4:59 pm-8:14 pm
Nonstop6h 15m
Lihue
Thu 9/24
12:47 pm-9:36 pm
Nonstop5h 49m
$417
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 10/8
10:55 am-7:44 pm
1 stop11h 49m
Lihue
Mon 10/12
11:00 pm-12:23 pm
1 stop10h 23m
$422
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Fri 9/18
4:59 pm-8:14 pm
Nonstop6h 15m
Lihue
Fri 9/25
3:45 pm-9:08 am
1 stop14h 23m
$434
Quickest round-trip
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Sat 8/22
4:05 pm-7:16 pm
Nonstop6h 11m
Lihue
Sat 8/29
9:55 pm-6:40 am
Nonstop5h 45m
$437
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Sun 8/23
8:59 pm-11:20 am
1 stop17h 21m
Lihue
Sun 8/30
9:35 pm-6:20 am
Nonstop5h 45m
$437
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Fri 9/4
4:08 pm-7:23 pm
Nonstop6h 15m
Lihue
Fri 9/11
9:35 pm-6:20 am
Nonstop5h 45m
$437
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Fri 9/18
8:45 pm-3:42 pm
1 stop21h 57m
Lihue
Fri 9/25
3:45 pm-9:08 am
1 stop14h 23m
$460
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Tue 10/20
7:05 am-6:10 pm
2 stops14h 05m
Lihue
Wed 10/21
8:30 pm-11:45 am
1 stop12h 15m
$491
Cheapest one-way
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Sun 10/18
9:35 am-6:10 pm
2 stops11h 35m
$204
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, January is the cheapest month in which you can book a flight from Seattle to Kaua'i (average of $406). Flying from Seattle to Kaua'i in July is currently the most expensive (average of $708). 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 July 24, 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 July 24, 2026.
The most flights from SEA to zzFUS 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).
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.
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 July 24, 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.
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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Alternative routes for Seattle to Kaua'i
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Complete your trip
Complete your trip to Kaua'i by adding a car rental and/or hotel reservation to your travel itinerary.
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Seattle and Kaua'i flights
Browse other Seattle and Kaua'i flight options. Last updated on July 24, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Kaua'i
Discover the top 5 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$500 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$220 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$498 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$622 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$416 | Average$693 | FlexibilityNo cancel fee | On-time63% |