San Jose (SJC) to Kailua-Kona (KOA): 2,382 miles (3,834 km) great-circle, about 5h 15m nonstop by our estimate. Cheapest fare observed: $358 round-trip on Alaska Airlines, with 1 stop, departing May 16, 2026.
$358 round-trip, Alaska Airlines AS953, departing 2026-05-16 at 07:00, returning 2026-05-20. The recorded itinerary left on a Saturday, returning on a Wednesday 4 nights later; the fare was observed 21 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $358, it ranked 13th of the 30 round-trip fares we recorded from SJC (median $415). That is 15.0 cents per great-circle mile (round-trip price over one-way distance), below the SJC median of 23.1 cents across 30 round-trip routes.
Routes from SJC of similar length: Cancun (2,377 mi) at $893 and Washington (2,395 mi) at $349.
Alaska Airlines had the cheapest fare on 12 of 30 SJC routes. It is the 13th longest of the 30 routes we track from SJC.
Of 2 departure airports with a fare to Kailua-Kona, San Jose (SJC) ranked 2nd at $358. Lowest: $286 from San Francisco (SFO); highest: $358 from San Jose (SJC); 1 nonstop. Cheapest-fare airlines (routes): Alaska Airlines (2).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Pacific/Honolulu; flight time is our estimate.