Kailua-Kona (KOA) to Seattle (SEA) flights
2 airlines fly nonstop from Kailua-Kona (KOA) to Seattle (SEA): Alaska Airlines and Delta Air Lines. The two airports are 2,689 miles (4,327 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 16 ways to fly it with one stop, through Kahului, Portland and Honolulu and more.
Airlines flying nonstop from KOA to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book KOA to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
KOA to SEA with one stop
16 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Kahului (OGG)Alaska Airlines the whole way9X
- Via Portland (PDX)Alaska Airlines the whole way
- Via Honolulu (HNL)Alaska Airlines the whole way
- Via Vancouver (YVR)Air Canada the whole way
- Via Kauai Island (LIH)Alaska Airlines the whole way
- Via Sacramento (SMF)Alaska Airlines and Southwest Airlines the whole way
- Via San Francisco (SFO)Alaska Airlines and United Airlines the whole way
- Via San Jose (SJC)Alaska Airlines the whole way
- Via Los Angeles (LAX)American Airlines, Delta Air Lines and 2 more the whole way
+2+2 - Via Las Vegas (LAS)Southwest Airlines the whole way+2
- Via Calgary (YYC)WestJet the whole way
- Via San Diego (SAN)Alaska Airlines and Southwest Airlines the whole way
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Phoenix (PHX)American Airlines the whole way+1
- Via Anchorage (ANC)Alaska Airlines the whole way
KOA to SEA: common questions
Which airlines fly nonstop from KOA to SEA?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Kailua-Kona (KOA) to Seattle (SEA).
How far is Kailua-Kona from Seattle by plane?
Kailua-Kona (KOA) and Seattle (SEA) are 2,689 miles (4,327 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book KOA to SEA award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does KOA to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for KOA to SEA with taxes and fees.
Where can I connect between Kailua-Kona and Seattle?
The most direct connections are through Kahului (OGG), Portland (PDX), Honolulu (HNL), Vancouver (YVR) and Kauai Island (LIH). On 16 of them the same airline flies both flights, for example Alaska Airlines through Kahului.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.