San Jose (SJC) to Lihue (LIH): 2,463 miles (3,965 km) great-circle, about 5h 25m nonstop by our estimate. Cheapest fare observed: $443 round-trip on Alaska Airlines, nonstop, departing May 21, 2026.
$443 round-trip, Alaska Airlines AS54, departing 2026-05-21 at 07:00, returning 2026-05-26. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 26 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $443, it ranked 18th of the 30 round-trip fares we recorded from SJC (median $415). That is 18.0 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: Philadelphia (2,498 mi) at $364 and Honolulu (2,415 mi) at $470.
Alaska Airlines had the cheapest fare on 12 of 30 SJC routes. It is the 9th longest of the 30 routes we track from SJC.
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.