4 airlines fly nonstop from San Francisco to Seoul.
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Air Premia | SFO San Francisco International Airport | ICN Incheon International Airport |
| Asiana Airlines | SFO San Francisco International Airport | ICN Incheon International Airport |
| Korean Air | SFO San Francisco International Airport | ICN Incheon International Airport |
| United Airlines | SFO San Francisco International Airport | ICN Incheon International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
30 miles (48 km) from the city centre. 74.1 million passengers in 2025
| How | Route | Time | Cost |
|---|---|---|---|
| Train | AREX express non-stop train to Seoul Station | about 43m | 9,500 KRW |
| Train | AREX all-stop train to Seoul Station | about 1h | 4,250 KRW |
US citizens need a valid passport but no visa for tourism or business stays of up to 90 days; a K-ETA becomes mandatory from 1 January 2027.
Seoul is 17 hours ahead of San Francisco in January and 16 hours ahead of it in July, because the two observe daylight saving time differently. Seoul uses the South Korean won (KRW).
Read the Seoul guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Air Premia, Asiana Airlines, Korean Air and United Airlines fly this route nonstop.
About 5,610 miles (9,029 km), measured between the city centres.
Seoul is 17 hours ahead of San Francisco in January and 16 hours ahead of it in July, because the two observe daylight saving time differently.
US citizens need a valid passport but no visa for tourism or business stays of up to 90 days; a K-ETA becomes mandatory from 1 January 2027.
AREX express non-stop train to Seoul Station, about 43 minutes, 9,500 KRW.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.