Kailua-Kona to Seattle (KOA–SEA) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
KOA–SEA is served by 2 airlines with nonstop service. Alaska Airlines and Delta Air Lines lead the route. The flight covers 2,689 miles in approximately 5h 51m. Beyond nonstop, 27 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: HA, QR | 28 | 7M9, B39M | 5h55-6h | Oneworld | HA, QR | |
| DL Delta Air Lines Also: VS | 7 | 32Q | 5h58 | SkyTeam | VS |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Seattle from Kailua-Kona
| Metric | KOA→SEA | OGG→SEA | HNL→SEA |
|---|---|---|---|
| Distance from KOA | – | 84 mi | 163 mi |
| Nonstop airlines | 2 | 6 | 13 |
| Weekly flights | 49 | 84 | 193 |
| Flight time | 5h 51m | 5h 24m | 5h 31m |
| Departure OTP | 0% | – | – |
Travel Essentials
KOA: HST · SEA: PDT
When it's 6:00 PM in Kailua-Kona, it's 9:00 PM in Seattle.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
KOA–SEA Quick Facts
Frequently Asked Questions
Flights from KOA to SEA
Ellison Onizuka Kona International Airport at Keāhole (KOA) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines and Delta Air Lines. With 49 weekly departures, this is a heavily served route.
KOA to SEA Flight Duration and Schedule
Nonstop flight time from KOA to SEA ranges from 5 hours 51 minutes to 6 hours 0 minutes. The route covers a distance of 2,689 miles (4,327 km). There are approximately 49 weekly flights outbound and 63 return, totaling 112 flights per week in both directions.
Connecting Options and Alternatives
27 one-stop connections are available, with the fastest taking approximately 6 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Kahului (OGG) and Honolulu, Oahu (HNL).