Alaska AirlinesDepart23:28
Mon, Dec 7KOA → SEA
5h 52m · Direct
$270one way, per person
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- Cheapest fare
- $270
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 5h 51m
Alaska Airlines · Mon, Dec 7
from $270
Alaska Airlines
4,330 km
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Cheapest month to fly from Kailua-Kona to Seattle
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Kailua-Kona to Seattle
Kailua-Kona (KOA) and Seattle (SEA) are about 4,330 km apart. Direct flights take around 5h 51m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $270, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Kailua-Kona to Seattle?
The cheapest one-way fare we've seen recently is $270 with Alaska Airlines, departing Monday, December 7, 2026.
What is the cheapest month to fly from Kailua-Kona to Seattle?
December 2026 currently has the lowest fares, from $270 one way.
Are there direct flights from Kailua-Kona to Seattle?
Yes. Recent direct fares were with Alaska Airlines.
How long is the flight from Kailua-Kona to Seattle?
A direct flight takes about 5h 51m. Kailua-Kona and Seattle are around 4,330 km apart.
Which airlines fly from Kailua-Kona to Seattle?
Recent fares on this route were with Alaska Airlines.
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