San Jose (SJC) to Salt Lake City (SLC): 583 miles (939 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $568 round-trip on Alaska Airlines, with 1 stop, departing April 30, 2026.
$568 round-trip, Alaska Airlines AS745, departing 2026-04-30 at 14:44, returning 2026-05-04. The recorded itinerary left on a Thursday, returning on a Monday 4 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $568, it ranked 23rd of the 30 round-trip fares we recorded from SJC (median $415). That is 97.4 cents per great-circle mile (round-trip price over one-way distance), above the SJC median of 23.1 cents across 30 round-trip routes.
Routes from SJC of similar length: Portland (569 mi) at $462 and Phoenix (621 mi) at $409.
Alaska Airlines had the cheapest fare on 12 of 30 SJC routes. It is the 26th longest of the 30 routes we track from SJC.
Of 4 departure airports with a fare to Salt Lake City, San Jose (SJC) ranked 4th at $568. Lowest: $49 from Denver (DEN); highest: $568 from San Jose (SJC); 1 nonstop. Cheapest-fare airlines (routes): Frontier (3) and Alaska Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Denver; flight time is our estimate.