Salt Lake City (SLC) to San Francisco (SFO): 598 miles (962 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $164 round-trip on Frontier, nonstop, departing June 13, 2026.
$164 round-trip, Frontier F93393, departing 2026-06-13 at 16:56, returning 2026-06-17. The recorded itinerary left on a Saturday, returning on a Wednesday 4 nights later; the fare was observed 49 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $164, it ranked 5th of the 30 round-trip fares we recorded from SLC (median $470). That is 27.4 cents per great-circle mile (round-trip price over one-way distance), above the SLC median of 24.7 cents across 30 round-trip routes.
Routes from SLC of similar length: Phoenix (508 mi) at $205 and Seattle (688 mi) at $266.
Frontier had the cheapest fare on 25 of 30 SLC routes. It is the 27th longest of the 30 routes we track from SLC.
Of 19 departure airports with a fare to San Francisco, Salt Lake City (SLC) ranked 5th at $164. Lowest: $126 from Los Angeles (LAX); highest: $483 from New York (JFK); 6 nonstop. Cheapest-fare airlines (routes): Frontier (13), Southwest (3), American Airlines (1), United Airlines (1) and WestJet (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Denver, America/Los_Angeles; flight time is our estimate.