FLIGHT HOP.fyi

✈ ICN → SFO

SEOUL → SAN FRANCISCO IN 11H 34M. CONSIDER BUSINESS CLASS. NO, REALLY.

Flight time
11h 34m
Distance
5,646 mi
Or
9,086 km
Jet lag
16h

Flight from Seoul to San Francisco

From Incheon (ICN), South Korea Asia  →  SFO (SFO), USA North America

↔ Flying the other way? San Francisco → Seoul

How long is the flight from Seoul to San Francisco?

A nonstop flight from Seoul (ICN) to San Francisco (SFO) takes about 11 hours 34 minutes, covering a great-circle distance of 5,646 miles (9,086 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

11h 34m

Nonstop, scheduled

Distance

5,646 mi

9,086 km · great-circle

Avg speed

786 km/h

Door-to-door including taxi

Time zones & jet lag

Seoul timezone

UTC+9

Asia/Seoul

San Francisco timezone

UTC-7

America/Los_Angeles

Time difference

-16h

16 hours behind

Jet lag (rough)

~11.2d

Westward — easier

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 1345 kg CO₂
🚗 Car (alone) 1554 kg CO₂
🚆 Train 373 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.

Flights from Seoul

Nearest destinations

Long-haul from Seoul

More flights to North America

Flights to San Francisco

Nearest origins

Long-haul to San Francisco

More flights from Asia