Kailua-Kona to Seattle (KOA–SEA) — Airlines, Schedules & Connections

KOA Airport Page →
2,689 mi airlines 38/wk
On-time Some delays Frequent delays
Flight Schedule 17 flights Verified 8h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS218
AS Alaska
73J
7:45 AM
HST
4:49 PM
MDT
6h 4m
M T W T F S S
Prices
HA6184
HA Hawaiian
73J
8:00 AM
HST
4:55 PM
MDT
5h 55m
M T W T F S S
Prices
HA4812
HA Hawaiian
737
8:00 AM
HST
4:55 PM
MDT
5h 55m
M T W T F S S
Prices
AS205
AS Alaska
7M9
10:33 AM
HST
7:37 PM
MDT
6h 4m
M T W T F S S
Prices
AS259
AS Alaska
B39M
9:17 PM
HST
6:15 AM+1
MDT
5h 58m
M T W T F S S
Prices
DL485
DL Delta
752
9:47 PM
HST T2
5:53 AM+1
MDT
4h 6m
M T W T F S S
Prices
HA4826
HA Hawaiian
7M9
10:07 PM
HST
7:02 AM+1
MDT
5h 55m
M T W T F S S
Prices
HA4867
HA Hawaiian
7M9
10:07 PM
HST
7:02 AM+1
MDT
5h 55m
M T W T F S S
Prices
AS504
AS Alaska
7M8
10:00 AM
MDT
1:39 PM
HST
6h 39m
M T W T F S S
Prices
AS204
AS Alaska
73J
10:00 AM
MDT
1:33 PM
HST
6h 33m
M T W T F S S
Prices
AS182
AS Alaska
7M8
10:08 AM
MDT
1:39 PM
HST
6h 31m
M T W T F S S
Prices
AS238
AS Alaska
73H
1:21 PM
MDT
4:50 PM
HST
7h 29m
M T W T F S S
Prices
AS323
AS Alaska
73J
2:06 PM
MDT
5:31 PM
HST
6h 25m
M T W T F S S
Prices
AF2639
AF Air France
752
3:20 PM
MDT TA
7:39 PM
HST
6h 19m
M T W T F S S
Prices
AF2093
AF Air France
752
3:25 PM
MDT
6:38 PM
HST
6h 13m
M T W T F S S
Prices
DL340
DL Delta
752
3:25 PM
MDT
6:38 PM
HST
6h 13m
M T W T F S S
Prices
AS200
AS Alaska
7M9
7:40 PM
MDT
11:27 PM
HST
7h 47m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Kailua-Kona to Seattle
3 carriers, 38 flights/week nonstop.
3 Airlines 38 Flights/wk 2,689 mi 4h 6m nonstop +4h ahead 21 1-stop hubs

KOA–SEA is served by 3 airlines with nonstop service. Alaska Airlines, Hawaiian Airlines and Delta Air Lines lead the route. The flight covers 2,689 miles in approximately 4h 6m. Beyond nonstop, 21 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop KOA–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 21 73J, 7M9, B39M 5h58-6h04 100% Oneworld
HA Hawaiian Airlines 10 737, 73J, 7M9 5h55 100%
DL Delta Air Lines 7 752 4h06 100% SkyTeam
Aircraft on this route
737 Boeing 737-700 – HA
73J Boeing 737-900ER – AS, HA
752 Boeing 757-200 – DL
7M9 Boeing 737 MAX 9 – AS, HA
B39MAS
Alliance coverage
Oneworld: AS (21 flights/wk, 55%)
Unaffiliated: HA (10 flights/wk, 26%)
SkyTeam: DL (7 flights/wk, 18%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, KOA to SEA direction.
Mon
5
flights
Tue
5
flights
Wed
6
flights
Thu
5
flights
Fri
5
flights
Sat
7
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
8
Nonstop flights
38
Outbound / wk
51
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for KOA to SEA.
1-STOP
One-Stop Connections
21
Hubs
~7h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,101
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
KOA → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
97%
Return
SEA → KOA
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. KOA delays → SEA delays →

Other ways to reach Seattle from Kailua-Kona

Nearby airports with service to Seattle–Tacoma International Airport.
Metric KOA→SEA OGG→SEA HNL→SEA
Distance from KOA 84 mi 163 mi
Nonstop airlines 3 3 5
Weekly flights 38 36 114
Flight time 4h 6m 4h 9m 4h 11m
Departure OTP 100%
Airports within 200 miles of KOA with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+4h
Seattle is 4 hours ahead of Kailua-Kona.
KOA: HST · SEA: MDT

When it's 6:00 PM in Kailua-Kona, it's 10:00 PM in Seattle.
Distance & Flight Time
2,689 mi / 4,327 km
Nonstop flight time is approximately 4h 6m to 6h 4m.
Getting from SEA

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.

Seattle Climate

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

Key statistics for the Kailua-Kona to Seattle route.
Route details
Distance2,689 mi / 4,327 km
Flight time4h 6m to 6h 4m
Time difference+4 hours
Airlines (nonstop)3
Weekly flights38 out / 51 return
1-stop connections21 hubs
Origin: KOA
IATA / ICAOKOA / PHKO
TimezonePacific/Honolulu
Passengers/yr4.0M
Elevation47 ft / 14 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about KOA to SEA flights.
Nonstop flights from Ellison Onizuka Kona International Airport at Keāhole to Seattle–Tacoma International Airport take approximately 4h 6m to 6h 4m. The route covers 2,689 miles.
3 airlines operate nonstop service: Alaska Airlines, Delta Air Lines and Hawaiian Airlines.
There are approximately 38 nonstop flights per week from KOA to SEA. The return direction has about 51 weekly flights.
Yes, 1-stop connections are available through BFI, OAK, ONT, YYC, PHX, YVR, LIH, LAS, SJC, SLC, DEN, HNL, ANC, SMF, SFO, PDX, LAX, OGG, SAN, ORD and DFW. These options provide additional schedule flexibility.
Seattle is 4 hours ahead of Kailua-Kona.
Yes, return flights from SEA to KOA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OGG and HNL. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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, Delta Air Lines and Hawaiian Airlines. With 38 weekly departures, this is a heavily served route.

KOA to SEA Flight Duration and Schedule

Nonstop flight time from KOA to SEA ranges from 4 hours 6 minutes to 6 hours 4 minutes. The route covers a distance of 2,689 miles (4,327 km). There are approximately 38 weekly flights outbound and 51 return, totaling 89 flights per week in both directions.

Connecting Options and Alternatives

21 one-stop connections are available, with the fastest taking approximately 7 hours via BFI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Kahului (OGG) and Honolulu, Oahu (HNL).