United States Β· 2,689 miles (4,327 km)

Seattle (SEA) to Kailua-Kona (KOA) flights

2 airlines fly nonstop from Seattle (SEA) to Kailua-Kona (KOA): 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 SEA to KOA

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

Book SEA to KOA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to KOA 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 way
    Alaska Airlines logo
    Delta Air Lines logo
    9X
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Portland (PDX)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Honolulu (HNL)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Vancouver (YVR)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    Air Canada logo
    WestJet logo
  • Via Kauai Island (LIH)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Sacramento (SMF)Alaska Airlines and Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via San Francisco (SFO)Alaska Airlines and United Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
  • Via San Jose (SJC)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Los Angeles (LAX)American Airlines, Alaska Airlines and 2 more the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +2
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +2
  • Via Las Vegas (LAS)Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +2
    Southwest Airlines logo
  • Via Calgary (YYC)WestJet the whole way
    Alaska Airlines logo
    WestJet logo
    WestJet logo
  • Via San Diego (SAN)Alaska Airlines and Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    American Airlines logo
  • Via Anchorage (ANC)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
See all 16 in Routes

SEA to KOA: common questions

Which airlines fly nonstop from SEA to KOA?

Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Seattle (SEA) to Kailua-Kona (KOA).

How far is Seattle from Kailua-Kona by plane?

Seattle (SEA) and Kailua-Kona (KOA) 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 SEA to KOA 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 SEA to KOA cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to KOA with taxes and fees.

Where can I connect between Seattle and Kailua-Kona?

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.