Direct (nonstop) flights from Seattle to Kailua-Kona

2 airlines fly nonstop from Seattle Tacoma International (SEA) to Kona (KOA). It's 2,687 miles (4,325 km), about 6h 24m in the air. Operated by Alaska Airlines, Delta Air Lines.

SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
KOA
Kona
🇺🇸 Kailua-Kona, USA
Flight Time
6h 24m
Distance
2,687 mi
4,325 km
CO₂/pax
411 kg
−33 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 31, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
SEA → KOA
Flight Time
6h 24m
Distance
2,687 mi
Delta Air Lines DL Delta Air Lines
Route
SEA → KOA
Flight Time
6h 24m
Distance
2,687 mi

Alternative Routes

Other ways to fly from Seattle to Kailua-Kona with one stop · direct emits 411 kg CO₂ per passenger

SEA OGG (Kahului) KOA
Leg 1: 6h 19m (2,640 mi) Leg 2: 36m (83 mi) Total: ~6h 55m 🍃 444 kg CO₂ (+8% vs. direct)
Leg 1
SEA → OGG
6h 19m · 2,640 mi
View SEA to OGG flights →
Leg 2
OGG → KOA
36m · 83 mi
View OGG to KOA flights →
SEA HNL (Honolulu) KOA
Leg 1: 6h 15m (2,677 mi) Leg 2: 48m (163 mi) Total: ~7h 3m 🍃 464 kg CO₂ (+13% vs. direct)
Leg 1
SEA → HNL
6h 15m · 2,677 mi
View SEA to HNL flights →
Leg 2
HNL → KOA
48m · 163 mi
View HNL to KOA flights →
SEA PDX (Portland) KOA
Leg 1: 1h 1m (129 mi) Leg 2: 6h 14m (2,607 mi) Total: ~7h 15m 🍃 448 kg CO₂ (+9% vs. direct)
Leg 1
SEA → PDX
1h 1m · 129 mi
View SEA to PDX flights →
Leg 2
PDX → KOA
6h 14m · 2,607 mi
View PDX to KOA flights →
SEA LIH (Kauai Island) KOA
Leg 1: 6h 24m (2,701 mi) Leg 2: 52m (263 mi) Total: ~7h 16m 🍃 487 kg CO₂ (+18% vs. direct)
Leg 1
SEA → LIH
6h 24m · 2,701 mi
View SEA to LIH flights →
Leg 2
LIH → KOA
52m · 263 mi
View LIH to KOA flights →
SEA SMF (Sacramento) KOA
Leg 1: 1h 59m (605 mi) Leg 2: 5h 25m (2,435 mi) Total: ~7h 24m 🍃 548 kg CO₂ (+33% vs. direct)
Leg 1
SEA → SMF
1h 59m · 605 mi
View SEA to SMF flights →
Leg 2
SMF → KOA
5h 25m · 2,435 mi
View SMF to KOA flights →

Frequently Asked Questions

How long is the direct flight from Seattle to Kailua-Kona?

A nonstop flight from Seattle (SEA) to Kailua-Kona (KOA) takes approximately 6 hours and 24 minutes. The distance is 2,687 miles (4,325 km).

Which airlines fly nonstop from Seattle to Kailua-Kona?

2 airlines: Alaska Airlines, Delta Air Lines.

Is there a nonstop flight from Seattle to Kailua-Kona?

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

How far is Seattle from Kailua-Kona?

The flight distance from Seattle to Kailua-Kona is 2,687 miles (4,325 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 Kailua-Kona?

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 Kailua-Kona?

Roughly 411 kg CO2 per passenger one-way. That's about the same as driving 2,055 km.

Is the return flight from Kailua-Kona 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 Kailua-Kona?

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.