United States Β· 588 miles (946 km)

San Francisco (SFO) to Sun Valley (SUN) flights

One airline flies nonstop from San Francisco (SFO) to Sun Valley (SUN): United Airlines. The two airports are 588 miles (946 km) apart. United Airlines is in Star Alliance. There are also 5 ways to fly it with one stop, through Salt Lake City, Los Angeles and Seattle and more.

Airlines flying nonstop from SFO to SUN

  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book SFO to SUN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SFO to SUN with one stop

5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
    Delta Air Lines logo
    United Airlines logo
  • Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via San Diego (SAN)Alaska Airlines the whole way
    Alaska Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Alaska Airlines logo
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    American Airlines logo

SFO to SUN: common questions

Which airlines fly nonstop from SFO to SUN?

United Airlines (Star Alliance) flies nonstop from San Francisco (SFO) to Sun Valley (SUN).

How far is San Francisco from Sun Valley by plane?

San Francisco (SFO) and Sun Valley (SUN) are 588 miles (946 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SFO to SUN award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SFO to SUN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SFO to SUN with taxes and fees.

Where can I connect between San Francisco and Sun Valley?

The most direct connections are through Salt Lake City (SLC), Los Angeles (LAX), Seattle (SEA), San Diego (SAN) and Phoenix (PHX). On 5 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.