Alaska AirlinesDepart07:00
Sat, Dec 5KOA → BOS
11h 10m · 1 stop
$345one way, per person
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- Cheapest fare
- $345
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 11h 10m
Alaska Airlines · Sat, Dec 5
from $345
Usually 1+ stop
8,140 km
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Cheapest month to fly from Kailua-Kona to Boston
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 Boston
Kailua-Kona (KOA) and Boston (BOS) are about 8,140 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 11h 10m. Over the next few months, one-way fares start from $345, 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 Boston?
The cheapest one-way fare we've seen recently is $345 with Alaska Airlines, departing Saturday, December 5, 2026.
What is the cheapest month to fly from Kailua-Kona to Boston?
December 2026 currently has the lowest fares, from $345 one way.
Are there direct flights from Kailua-Kona to Boston?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Kailua-Kona to Boston?
The quickest journey we've seen takes about 11h 10m. Kailua-Kona and Boston are around 8,140 km apart.
Which airlines fly from Kailua-Kona to Boston?
Recent fares on this route were with Alaska Airlines.
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