Flights from Seoul to San Francisco
Fares, airlines, flight time and both airports for ICN–SFO.
Route snapshot: Seoul to San Francisco
Seoul (ICN) to San Francisco (SFO) is 9,085 km, about 11h 51m flying nonstop. Airlines with flights or nonstop fares on this route include Air Premia, United Airlines, Korean Air and Asiana Airlines. The lowest one-way fare seen recently was $436 with Air Premia (nonstop), departing 25 Dec 2026 — as of 11 Sept 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in San Francisco
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Getting out of San Francisco (SFO)
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Compare live fares from Seoul to San Francisco across 750+ airlines.
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Why travelers watch this route
Fares seen
The lowest one-way fare seen was $436 with Air Premia (nonstop), departing 25 Dec 2026. Checked 11 Sept 2026 — fares move daily.
Seasonality
San Francisco has year-round travel demand, so fare differences often depend more on booking window and airline competition than on one single peak season.
Who flies it
Airlines with flights or nonstop fares here include Air Premia, United Airlines, Korean Air and Asiana Airlines. More carriers may sell it with a connection.
Airlines flying Seoul to San Francisco
Carriers on ICN–SFO according to our route data and nonstop fares seen as of 11 Sept 2026. Not a complete list.
Seoul–San Francisco route intelligence
Updated analysis of the ICN–SFO corridor — distance, timing, and connecting options.
Route profile
Seoul (ICN) to San Francisco (SFO) is a ultra-long-haul corridor spanning approximately 9,086 km, with typical block time around 11h 30m.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Chuseok (Korean Thanksgiving, Sep/Oct) and Lunar New Year create severe demand spikes. Outside those windows Seoul is reasonably priced year-round.
Visa & arrival
Passport-validity and visa requirements differ between South Korea and — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Direct & Connecting Flights
Nonstop flights link Seoul (ICN) and San Francisco (SFO), taking about 11h 51m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on ICN–SFO was $436 USD (nonstop) as of 11 Sept 2026. Set a fare alert to be told when it drops.
About San Francisco
Flights arrive at San Francisco International Airport (SFO). See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search ICN → SFO
See current Seoul to San Francisco fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for ICN and SFO.
Airline Route Maps
Explore the networks of airlines flying from Seoul and San Francisco.
San Francisco Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on ICN–SFO and related city pairs.
Visa Guides
Check entry rules before booking flights from South Korea to San Francisco.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on Seoul → San Francisco
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Frequently asked questions — Seoul to San Francisco flights
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