Need help booking?
Unpublished phone-only deals available
SFO to ICN: distance & flight time
San Francisco (San Francisco International Airport) → Seoul (Incheon International Airport)
5,645 mi
9,085 km · 4,906 nm
11h 32m
estimated nonstop flight time
+16h
time difference · heading northwest
See live SFO→ICN fares Phone-only fares on this route — call free
Flight time details
5,645 miles nonstop takes roughly 11h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, United States
- ICN — Incheon International Airport · Seoul, South Korea
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is SFO from ICN?
The flight distance from San Francisco (SFO) to Seoul (ICN) is 5,645 miles (9,085 km, 4,906 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to ICN?
A nonstop flight takes about 11h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SFO to ICN?
Nonstop service on SFO–ICN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 32m nonstop estimate.
What is the time difference between San Francisco and Seoul?
Seoul is 16 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–ICN that never appear on search engines, with no booking fees.
Why are some SFO to ICN fares phone-only?
Consolidator contracts let us sell certain SFO–ICN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.