Is there a nonstop flight from Lihue, Kauai (LIH) to Seattle (SEA)?

Yes. Alaska and Delta operate a nonstop LIH–SEA service year-round.

How often do flights leave LIH for SEA?

About 3× daily — 20.5 departures a week in August 2026, compared with 20.8 a week in February 2026.

How much does a nonstop LIH to SEA flight cost?

Half of tickets sold on this route were between $225 and $475 one way, with a median of $325. Based on 1,351 ticket records in the US DOT fare survey for Q2 2025.

Nonstop route

Lihue, Kauai to Seattle nonstop

Yes: Alaska and Delta fly direct from Lihue, Kauai (LIH) to Seattle (SEA) about 3 times a day, year-round.

LIHLihue, Kauai

✈

SEASeattle

Alaska · Delta

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3× daily20.5 flights a week

Year-roundflown 12 of the last 12 months

$225–$475typical one-way · median $325 · US DOT Q2 2025

2,700miles · about 6 hr 10 min

Route detail

Lihue, Kauai to Seattle in numbers

Measured from US DOT filings, not estimated from distance.

Distance and flight time: 2,700 miles nonstop, about 6 hr 10 min gate to gate. Flight time is an estimate from the great-circle distance; the filings carry distance, not scheduled elapsed time.
Seasonality: Flew every month of the last year, a steady 21 flights a week.
Sep 2025: 21 flights a week
Oct 2025: 20 flights a week
Nov 2025: 20 flights a week
Dec 2025: 20 flights a week
Jan 2026: 21 flights a week
Feb 2026: 21 flights a week
Mar 2026: 20 flights a week
Apr 2026: 21 flights a week
May 2026: 21 flights a week
Jun 2026: 21 flights a week
Jul 2026: 21 flights a week
Aug 2026: 21 flights a week
Flights a week by month, Sep 2025 to Aug 2026, from US DOT on-time filings.
Who operates the flights: Alaska 67%, Delta 33% of departures, counted across the August 2026 and February 2026 US DOT on-time filings.
Fares: Half of the 1,351 tickets in the US DOT fare survey for Q2 2025 sold between $225 and $475 one way, median $325. The survey runs a couple of quarters behind, so read it as the shape of the route's pricing rather than today's quote.
Jul to Sep (Q3 2024): median $275 one way, middle half $200 to $375, 1,424 tickets
Oct to Dec (Q4 2024): median $300 one way, middle half $175 to $450, 1,477 tickets
Jan to Mar (Q1 2025): median $300 one way, middle half $175 to $475, 1,324 tickets
Apr to Jun (Q2 2025): median $325 one way, middle half $225 to $475, 1,351 tickets
Jul to Sep trips were the cheapest (median $275 one way) and Apr to Jun trips cost the most (median $325), in the DOT ticket survey for Q3 2024 to Q2 2025. Bars show the middle half of one-way fares; the mark is the median.

Flying the other way? Seattle to Lihue, Kauai nonstop.

Also nonstop from Lihue, Kauai (LIH)

Busiest other routes out of the same airport

Honolulu (HNL) about 21 times a day
Los Angeles (LAX) about 5 times a day
Kahului (OGG) about 4 times a day
San Francisco (SFO) about 3 times a day
Oakland (OAK) about 11 times a week
Las Vegas (LAS) about 7 times a week
Portland (PDX) about 7 times a week
Kona (KOA) about 7 times a week

All 14 nonstop destinations from LIH

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