San Francisco (SFO) to Seoul (ICN) flights
Nonstop from San Francisco International to Incheon International: distance, flying time, which airlines fly it and how often.
Distance
5,645 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying SFO to ICN
Also in the data (cargo, charter or a foreign airline on a domestic route): Air Incheon, Perimeter Aviation.
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare SFO to ICN fares by month.
Both directions
Frequently asked questions
How long is the flight from San Francisco to Seoul?
About 11h 29m gate to gate for the 9,085 km (5,645 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from SFO to ICN?
Asiana Airlines, Korean Air and United Airlines, with about 7.7 flights a day between them in our data (AeroDataBox, November 2026).