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San Francisco to Seoul by nonstop flight takes around 12 hours 30 minutes. The distance between San Francisco and Seoul is roughly 5,640 miles (9,077 kilometers). Most travelers fly out of San Francisco International Airport (SFO), which has daily service to Incheon International Airport (ICN). Korean Air, Asiana Airlines operate direct flights on this route. Connection options through hub cities can extend travel time to 15 to 18 hours. Seoul is 17 hours ahead of San Francisco, so factor that into your arrival planning.
Nonstop flights from San Francisco to Seoul run about 12 hours 30 minutes. Korean Air, Asiana Airlines operate direct service on this route.
Connecting flights through hub cities add travel time. Routes through major airports typically take 15 to 18 hours including layover.
Compare both nonstop and connecting options when booking. Sometimes the longer itineraries cost $150 to $300 less than direct flights.
Seoul is 17 hours ahead of San Francisco. Plan your arrival time carefully to minimize jet lag impact.
Eastbound flights typically depart in the afternoon or evening and arrive the next day. Westbound return flights often land the same calendar day you depart.
Book 6 to 8 weeks ahead for the best fares. Shoulder season months often offer better deals than peak travel periods.
How long is the flight from San Francisco to Seoul?
Nonstop flights from San Francisco to Seoul take around 12 hours 30 minutes. Connecting flights through hub cities take 15 to 18 hours depending on layover duration.
How far is it from San Francisco to Seoul?
The distance from San Francisco to Seoul is approximately 5,640 miles (9,077 kilometers). This transoceanic route crosses multiple time zones.
What is the time difference between San Francisco and Seoul?
Seoul is 17 hours ahead of San Francisco. The time difference may shift by one hour during daylight saving transitions if one location observes it and the other does not.
Are there direct flights from San Francisco to Seoul?
Yes, Korean Air, Asiana Airlines, United Airlines operate nonstop service from San Francisco to Seoul. Multiple daily departures are available through San Francisco International Airport.
Which airlines fly from San Francisco to Seoul?
Korean Air, Asiana Airlines, United Airlines operate flights from San Francisco to Seoul. Korean Air typically offers the most weekly departures on this route.
Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below. Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the San Francisco Flight Times.
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