Cheap flights from Seattle to Kauai Island from $348 SEA → LIH
Seattle-Tacoma International Airport (SEA) → Lihue Airport (LIH)
The cheapest one-way found recently is $348 with Alaska Airlines, 7 Sept 2027, found 2 days ago.
- Cheapest one-way found recently
- $348, found 2 days ago
One-way
The cheapest one-way fare on each of 3 departure dates is usually $348 to $378.
Cheapest one-way found recently
$348
7 Sept 2027 · Alaska Airlines
Seattle-Tacoma International Airport (SEA) → Lihue Airport (LIH)
Leaves 6:00 a.m. · 9 h 50 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$348 7 Sept 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 11 days, 25 Sept to 23 Oct, the cheapest one-way we saw each day was $234 to $454.
11 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 7 Sept 2027 to 11 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 7 Sept 2027, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Sept 2027 | $348 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Lihue Airport (LIH) | 1 stop | found 2 days ago | Open this trip |
| 8 Sept 2027 | $348 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Lihue Airport (LIH) | 1 stop | found 2 days ago | Open this trip |
| 11 Sept 2027 | $408 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Lihue Airport (LIH) | 2 stops | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Alaska Airlines.
Premium cabin fares from Seattle to Kauai Island
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 7 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Kauai Island?
One-way
Not enough history yet: in 11 days of one-way prices, 25 Sept to 23 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Everett → Kauai Island
34 km from Seattle
$741
15 Jan 2027 – 18 Jan 2027 · PAE → LIH · out 1 stop, back 1 stop
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Everett → Kauai Island
34 km from Seattle
$421
$73 more than flying from Seattle
7 Sept 2027 · PAE → LIH · 1 stop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 7 Sept 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Seattle to Kauai Island?
The cheapest one-way found recently is $348 with Alaska Airlines, 7 Sept 2027, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $348 to $378.
How long is the flight from Seattle to Kauai Island?
The cheapest one-way found recently, with Alaska Airlines on 7 Sept 2027, takes 9 h 50 min with 1 stop.
Which airlines have the cheapest flights from Seattle to Kauai Island?
Between 7 Sept 2027 and 11 Sept 2027, Alaska Airlines has the cheapest one-way on all 3 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work