Direct (nonstop) flights from Seattle to Kauai Island

2 airlines fly nonstop from Seattle Tacoma International (SEA) to Lihue (LIH). It's 2,701 miles (4,347 km), about 6h 24m in the air. Operated by Alaska Airlines, Delta Air Lines.

SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
LIH
Lihue
🇺🇸 Kauai Island, USA
Flight Time
6h 24m
Distance
2,701 mi
4,347 km
CO₂/pax
413 kg
−40 kg vs. layover
Airlines
2
Alaska Airlines +1
Time Diff
-3h
Operated by Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
SEA → LIH
Flight Time
6h 24m
Distance
2,701 mi
Delta Air Lines DL Delta Air Lines
Route
SEA → LIH
Flight Time
6h 24m
Distance
2,701 mi

Alternative Routes

Other ways to fly from Seattle to Kauai Island with one stop · direct emits 413 kg CO₂ per passenger

SEA HNL (Honolulu) LIH
Leg 1: 6h 15m (2,677 mi) Leg 2: 43m (102 mi) Total: ~6h 58m 🍃 453 kg CO₂ (+10% vs. direct)
Leg 1
SEA → HNL
6h 15m · 2,677 mi
View SEA to HNL flights →
Leg 2
HNL → LIH
43m · 102 mi
View HNL to LIH flights →
SEA OGG (Kahului) LIH
Leg 1: 6h 19m (2,640 mi) Leg 2: 50m (201 mi) Total: ~7h 9m 🍃 466 kg CO₂ (+13% vs. direct)
Leg 1
SEA → OGG
6h 19m · 2,640 mi
View SEA to OGG flights →
Leg 2
OGG → LIH
50m · 201 mi
View OGG to LIH flights →
SEA PDX (Portland) LIH
Leg 1: 1h 1m (129 mi) Leg 2: 6h 16m (2,631 mi) Total: ~7h 17m 🍃 451 kg CO₂ (+9% vs. direct)
Leg 1
SEA → PDX
1h 1m · 129 mi
View SEA to PDX flights →
Leg 2
PDX → LIH
6h 16m · 2,631 mi
View PDX to LIH flights →
SEA KOA (Kailua-Kona) LIH
Leg 1: 6h 24m (2,687 mi) Leg 2: 56m (263 mi) Total: ~7h 20m 🍃 485 kg CO₂ (+17% vs. direct)
Leg 1
SEA → KOA
6h 24m · 2,687 mi
View SEA to KOA flights →
Leg 2
KOA → LIH
56m · 263 mi
View KOA to LIH flights →
SEA YVR (Vancouver) LIH
Leg 1: 1h 5m (127 mi) Leg 2: 6h 27m (2,724 mi) Total: ~7h 32m 🍃 465 kg CO₂ (+13% vs. direct)
Leg 1
SEA → YVR
1h 5m · 127 mi
View SEA to YVR flights →
Leg 2
YVR → LIH
6h 27m · 2,724 mi
View YVR to LIH flights →

Frequently Asked Questions

How long is the direct flight from Seattle to Kauai Island?

A nonstop flight from Seattle (SEA) to Kauai Island (LIH) takes approximately 6 hours and 24 minutes. The distance is 2,701 miles (4,347 km).

Which airlines fly nonstop from Seattle to Kauai Island?

2 airlines: Alaska Airlines, Delta Air Lines.

Is there a nonstop flight from Seattle to Kauai Island?

Yes. 2 airlines: Alaska Airlines, Delta Air Lines.

How far is Seattle from Kauai Island?

The flight distance from Seattle to Kauai Island is 2,701 miles (4,347 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Seattle to Kauai Island?

At 6h 24m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

What is the carbon footprint of a flight from Seattle to Kauai Island?

Roughly 413 kg CO2 per passenger one-way. That's about the same as driving 2,065 km.

Is the return flight from Kauai Island to Seattle also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Seattle to Kauai Island?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Seattle Tacoma International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.