Cheap flights from Seattle to Kahului
from 327 US$
From 501 USD — compare hundreds of airlines
The cheapest month is usually 2026-11 · 327 US$
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About this route
Compare flights from Seattle to Kahului, a about 4,257 km route (around 5h 49m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Alaska Airlines, Hawaiian Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Seattle to Kahului?
It's usually 2026-11, from 327 USD. Use the price calendar to compare other dates.
How long is the flight from Seattle to Kahului?
A nonstop flight takes about 5h 49m and covers around 4,257 km. Connecting itineraries take longer.
Are there direct flights from Seattle to Kahului?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Seattle to Kahului?
Alaska Airlines, Hawaiian Airlines operate this route, among others. Compare them all in the results.
When should I book Seattle–Kahului flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Seattle → Kahului · Live fares from 100+ sites — free, with no hidden fees.