Alaska Airlines flights from KOA to SEA
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from KOA to SEA. Alaska Airlines operates 2-4 flights daily flights on this route.• Flight Duration: 5h 48m - 7h 00m (average flight time)• Distance: 2703 miles (4349 km) (air miles between airports)• Daily Flights: 2-4 flights (scheduled departures per day)
KOA
SEA
FLIGHT TIME
5h 48m - 7h 00m
FLIGHT DISTANCE
2703 miles (4349 km)
5h 55m - 5h 58m
11:59
21:30
2703 miles (4349 km)
September
1 (Show)
30
Alaska Airlines Flight Schedule from KOA to SEA
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS205 |  Alaska Airlines | 11:59 | 19:57:00 | Boeing 737MAX 9 Passenger |
AS259 | Alaska Airlines | 20:10 | 04:05:00 | Boeing 737MAX 9 Passenger |
AS218 | Alaska Airlines | 21:30 | 05:25:00 | Boeing 737MAX 9 Passenger |
Alaska Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 5h 48m - 7h 00m.
Pricing patterns: September typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 11:00, 20:00, 21:00, offering more flight options and potentially better connections.
KOA - SEA flight price statistics
$467
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$459
Jan$486
Feb$410
Mar$407
Apr$488
May$458
Jun$458
Jul$488
Aug$387
Sep$427
Oct$488
Nov$648
DecAlaska Airlines Terminal Information
Terminal information for Alaska Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from KOA to SEA?
Alaska Airlines operates 3 flights from KOA to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Alaska Airlines flight from KOA to SEA?
The flight duration is approximately 5h 48m - 7h 00m.
What is the distance from KOA to SEA?
The distance is 2703 miles (4349 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737MAX 9 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 11:59 and the latest departs at 21:30.
What is the cheapest month to fly Alaska Airlines from KOA to SEA?
September is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from KOA to SEA?
The average price for a round-trip Alaska Airlines flight on this route is approximately $467. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 30 flights per week from KOA to SEA.