San Diego (SAN) to Honolulu (HNL): 2,610 miles (4,201 km) great-circle, about 5h 45m nonstop by our estimate. Cheapest fare observed: $390 round-trip on Alaska Airlines, with 1 stop, departing April 30, 2026.
$390 round-trip, Alaska Airlines AS399, departing 2026-04-30 at 07:00, returning 2026-05-07. The recorded itinerary left on a Thursday, returning on a Thursday 7 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $390, it ranked 22nd of the 30 round-trip fares we recorded from SAN (median $279). That is 14.9 cents per great-circle mile (round-trip price over one-way distance), close to the SAN median of 15.0 cents across 30 round-trip routes.
Routes from SAN of similar length: Boston (2,582 mi) at $236 and Maui (2,538 mi) at $523.
Alaska Airlines had the cheapest fare on 2 of 30 SAN routes. It is the 8th longest of the 30 routes we track from SAN.
Of 15 departure airports with a fare to Honolulu, San Diego (SAN) ranked 3rd at $390. Lowest: $295 from San Francisco (SFO); highest: $1046 from Wellington (WLG); 3 nonstop. Cheapest-fare airlines (routes): Alaska Airlines (9), American Airlines (2), Frontier (1), Qantas (1), Southwest (1) and United Airlines (1).
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.