Domestic route
Cheap flights from Seattle to Kailua-Kona
Seattle-Tacoma International Airport (SEA) to Ellison Onizuka Kona International Airport at Keahole (KOA). 2,689 miles, connecting flights only.
SEA to KOA at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 2,689 milesgreat-circle
- Typical flight time
- 5h 50mif flown nonstop
- Nonstop airlines
- None (connecting only)
- Nonstop flights per day
- 0connections available
- Cheapest month
- October 2026over the next six months
- Best day to fly
- Wednesday17% less than Sunday
- Time difference
- 3h behindKailua-Kona vs Seattle
Seattle to Kailua-Kona
Round trips from $247
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Oct 14.
Cheapest month: October 2026
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSeattle to Kailua-Kona fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Seattle to Kailua-Kona
No nonstop service: 1 airline offers one-stop itineraries.
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Honolulu (HNL)HA1 airline
Tips for this route
- There is no scheduled nonstop between SEA and KOA. Every itinerary connects, most often through HNL, so sort results by total travel time rather than price alone.
- October 2026 is the cheapest month to fly over the next six months, with round trips from $247; September 2026 is the most expensive at $287 and up, a difference of $40 per traveler.
- Departing on a Wednesday averages 17% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
- Kailua-Kona is 3 hours behind Seattle. A morning departure lands in Kailua-Kona with most of the day left; an evening flight arrives close to local dinner time.
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See every airline on SEA–KOA side by side with bags and seat rules spelled out.
Search Seattle to Kailua-KonaSeattle to Kailua-Kona: common questions
How long is the flight from Seattle to Kailua-Kona?
There are no nonstop flights, so the trip from Seattle (SEA) to Kailua-Kona (KOA) takes 5h 50m of flying plus a layover, usually 7h 35m or more door to door across 2,689 miles.
Which airlines fly nonstop from SEA to KOA?
No airline currently flies nonstop between Seattle (SEA) and Kailua-Kona (KOA). The most common connections are through HNL.
What is the cheapest month to fly from Seattle to Kailua-Kona?
Over the next six months, October 2026 has the lowest round-trip fares from Seattle (SEA) to Kailua-Kona (KOA), starting at $247 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Seattle to Kailua-Kona flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Seattle and Kailua-Kona?
Kailua-Kona is 3 hours behind Seattle. SEA is on America/Los Angeles time and KOA on Pacific/Honolulu time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.