ICN to SFO Route Guide
Seoul, South Korea → San Francisco, United States
Quick answer
RKSI (Seoul, South Korea) to KSFO (San Francisco, United States) is a 4,906 NM (9,086 km / 5,646 mi) great-circle route with an initial bearing of 48° (NE). Typical cruise altitude FL410, expected flight time 10h 43m, common aircraft: Boeing 777-300ER, Airbus A350-900, Boeing 787-9.
Distance
4,906 NM
9,086 km / 5,646 mi
Initial Bearing
48° (NE)
True heading at departure
Typical Cruise
FL410
41,000 ft
Block Time
10h 43m
Typical jet, no wind correction
Fuel Estimate
16,218 kg
Single-aisle equivalent + reserve
Departure Elevation
23 ft
RKSI
Arrival Elevation
13 ft
KSFO
What aircraft fly this route?
For a 4,906 NM mission, operators typically deploy:
- Boeing 777-300ER
- Airbus A350-900
- Boeing 787-9
- Airbus A330-900neo
Weather considerations
Pilots flying ICN-SFO should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between ICN and SFO?
4,906 nautical miles (9,086 km / 5,646 statute miles) great-circle.
How long is the flight from Seoul to San Francisco?
Approximately 10h 43m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly ICN-SFO?
Common types include Boeing 777-300ER, Airbus A350-900, Boeing 787-9, Airbus A330-900neo depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL410 (41,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
48° true (NE). Track varies along the route due to great-circle curvature.
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