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SSN to SFO: distance & flight time
Seoul East (Seoul Air Base (K-16)) → San Francisco (San Francisco International Airport)
5,619 mi
9,043 km · 4,883 nm
11h 29m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SSN→SFO fares Phone-only fares on this route — call free
Flight time details
5,619 miles nonstop takes roughly 11h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- SFO — San Francisco International Airport · San Francisco, United States
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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
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
Frequently asked questions
How far is SSN from SFO?
The flight distance from Seoul East (SSN) to San Francisco (SFO) is 5,619 miles (9,043 km, 4,883 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to SFO?
A nonstop flight takes about 11h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seoul East and San Francisco?
San Francisco is 16 hours behind Seoul East.
What is the cheapest way to fly from SSN to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–SFO that never appear on search engines, with no booking fees.