$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
Aug 6 — Aug 131
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
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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 7, 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 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 11/23:27 pm
SEA
- LIH
1 stop9h 03m
United Airlines
Tue 11/101:46 pm
LIH
- SEA
1 stop9h 15m
United Airlines
Deal found 7/3![United Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 11/212:20 pm
SEA
- LIH
2 stops12h 10m
United Airlines
Mon 11/91:46 pm
LIH
- SEA
1 stop9h 15m
United Airlines
Deal found 7/2![United Airlines logo]()
$322
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares 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
Wed 8/2612:47 pm
LIH
- SEA
Nonstop5h 53m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/4. 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 9/111:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Mon 9/1410:48 pm
LIH
- SEA
1 stop9h 33m
United Airlines
Deal found 7/4![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/6. 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 11/512:20 pm
SEA
- LIH
2 stops12h 10m
United Airlines
Sat 11/1411:59 pm
LIH
- SEA
1 stop10h 21m
United Airlines
Deal found 7/6![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 7/6. 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 8/194:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Mon 8/249:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/6![Delta logo]()
$357
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares 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
Wed 8/267:21 pm
LIH
- SEA
1 stop9h 52m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/248:49 pm
SEA
- LIH
1 stop17h 47m
Alaska Airlines
Mon 8/319:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 7/3. 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 8/269:59 am
SEA
- LIH
1 stop10h 42m
Delta
Tue 9/19:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/3![Delta logo]()
$367
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Thu 8/204:08 pm
SEA
- LIH
Nonstop6h 15m
Multiple Airlines
Wed 8/263:45 pm
LIH
- SEA
1 stop13h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 11/49:07 pm
SEA
- LIH
1 stop15h 56m
Multiple Airlines
Wed 11/111:24 pm
LIH
- SEA
1 stop17h 44m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 7/3. 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 8/204:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Wed 8/269:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/3![Delta logo]()
$377
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 7, 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 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 stop18h 25m
Multiple Airlines
Mon 9/289:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 9/259:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 7/5. 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
2 stops16h 45m
Southwest
Wed 8/269:25 pm
LIH
- SEA
1 stop8h 10m
Southwest
Deal found 7/5![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 7/4. 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 8/134:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Mon 8/249:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/4![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 7/3. 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 8/207:00 pm
SEA
- LIH
2 stops20h 35m
Southwest
Wed 8/269:25 pm
LIH
- SEA
1 stop8h 10m
Southwest
Deal found 7/3![Southwest logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/13:42 pm
LIH
- SEA
1 stop13h 26m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/134:20 pm
SEA
- LIH
1 stop18h 30m
Multiple Airlines
Mon 8/249:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 9/259:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/164:13 pm
SEA
- LIH
1 stop19h 41m
Multiple Airlines
Fri 9/253:45 pm
LIH
- SEA
1 stop13h 23m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$423
Last-minute flights from Seattle to Kaua'iDiscover last-minute flight deals from Seattle to Kaua'i. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kaua'i. Data last updated July 7, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares 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
Wed 8/2612:47 pm
LIH
- SEA
Nonstop5h 53m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 7/6. 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 8/194:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Wed 8/269:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/6![Delta logo]()
$357
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares 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
Wed 8/267:21 pm
LIH
- SEA
1 stop9h 52m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Wed 8/1911:40 am
SEA
- LIH
1 stop11h 29m
American Airlines
Wed 8/2610:00 pm
LIH
- SEA
1 stop10h 10m
American Airlines
Deal found 7/5![American Airlines logo]()
$378
This Travelocity deal was found by Cheapflights users on 7/3. 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.
Wed 8/198:52 pm
SEA
- LIH
1 stop18h 17m
Multiple Airlines
Tue 8/259:35 pm
LIH
- SEA
Nonstop5h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$382
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Thu 8/204:08 pm
SEA
- LIH
Nonstop6h 15m
Multiple Airlines
Wed 8/263:45 pm
LIH
- SEA
1 stop13h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/2011:40 am
SEA
- LIH
1 stop11h 29m
American Airlines
Thu 8/2710:00 pm
LIH
- SEA
1 stop10h 10m
American Airlines
Deal found 7/3![American Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 7/3. 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 8/204:05 pm
SEA
- LIH
Nonstop6h 11m
Delta
Wed 8/269:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/3![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Mon 8/241:22 pm
SEA
- LIH
1 stop9h 22m
United Airlines
Mon 8/3110:48 pm
LIH
- SEA
1 stop9h 37m
United Airlines
Deal found 7/5![United Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/248:49 pm
SEA
- LIH
1 stop17h 47m
Alaska Airlines
Mon 8/319:35 pm
LIH
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 7/4. 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
Tue 9/19:25 pm
LIH
- SEA
1 stop15h 05m
Southwest
Deal found 7/4![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 7/3. 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 8/269:59 am
SEA
- LIH
1 stop10h 42m
Delta
Mon 8/319:55 pm
LIH
- SEA
Nonstop5h 45m
Delta
Deal found 7/3![Delta logo]()
$367
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 7, 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 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/11:19 pm
SEA
- LIH
1 stop9h 25m
United Airlines
Deal found 7/3![United Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 9/295:59 pm
SEA
- LIH
1 stop19h 11m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 7/6. 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 10/57:15 am
SEA
- LIH
2 stops13h 55m
Southwest
Deal found 7/6![Southwest logo]()
$194
This Delta deal was found by Cheapflights users on 7/3. 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 7/3![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 7/6. 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 10/59:59 am
SEA
- LIH
1 stop10h 41m
Delta
Deal found 7/6![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 8/311:22 pm
SEA
- LIH
1 stop9h 22m
United Airlines
Deal found 7/3![United Airlines logo]()
$213
This Trip.com deal was found by Cheapflights users on 7/4. 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.
Sun 8/304:08 pm
SEA
- LIH
Nonstop6h 15m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 7/2![Alaska Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 7/2. 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.
Sat 10/35:59 pm
SEA
- LIH
1 stop18h 44m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Mon 8/246:30 am
SEA
- LIH
2 stops16h 14m
United Airlines
Deal found 7/5![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/301:16 pm
SEA
- LIH
1 stop9h 28m
United Airlines
Deal found 7/2![United Airlines logo]()
$222
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (United Airlines) |
One-way from | $158 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $708 |
Good round-trip deal | $525 or less |
Good one-way deal | $273 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 7, 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
Thu 9/17
4:15 pm-7:40 am
1 stop18h 25m
Lihue
Mon 9/28
9:35 pm-6:20 am
Nonstop5h 45m
$382
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 9/16
4:59 pm-8:14 pm
Nonstop6h 15m
Lihue
Fri 9/25
9:35 pm-6:20 am
Nonstop5h 45m
$387
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 8/19
7:40 am-9:25 pm
2 stops16h 45m
Lihue
Wed 8/26
9:25 pm-8:35 am
1 stop8h 10m
$393
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/20
7:00 pm-12:35 pm
2 stops20h 35m
Lihue
Wed 8/26
9:25 pm-8:35 am
1 stop8h 10m
$406
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Sat 8/29
8:35 pm-9:42 am
1 stop16h 07m
Lihue
Tue 9/1
3:42 pm-8:08 am
1 stop13h 26m
$406
Quickest round-trip
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/13
4:05 pm-7:16 pm
Nonstop6h 11m
Lihue
Mon 8/24
9:55 pm-6:40 am
Nonstop5h 45m
$407
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 8/13
4:20 pm-7:50 am
1 stop18h 30m
Lihue
Mon 8/24
9:35 pm-6:20 am
Nonstop5h 45m
$412
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Fri 9/18
4:59 pm-8:14 pm
Nonstop6h 15m
Lihue
Fri 9/25
9:35 pm-6:20 am
Nonstop5h 45m
$417
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Wed 9/16
4:13 pm-8:54 am
1 stop19h 41m
Lihue
Fri 9/25
3:45 pm-8:08 am
1 stop13h 23m
$423
Cheapest one-way
SeattleLihue
SEA - LIH
SEALIH
Seattle/Tacoma Intl
Thu 10/29
3:27 pm-9:30 pm
1 stop9h 03m
$158
Showing 1-10 of 21 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 August is currently the most expensive (average of $357). 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 7, 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 7, 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 (1 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 July 7, 2026.
Read through reviews of airlines operating flights from Seattle to Kaua'i, such as Alaska Airlines,Southwest, 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
Search flights from Seattle to Kaua'i by cabin class
Find flights from Seattle to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Kaua'i flights
Browse other Seattle and Kaua'i flight options. Last updated on July 7, 2026.
Popular flight searches
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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$500 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$224 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$498 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$619 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$416 | Average$693 | FlexibilityNo cancel fee | On-time63% |