San Francisco (SFO) to Seoul (ICN) flights
United Airlines, Korean Air, Asiana Airlines fly nonstop from San Francisco International Airport to Incheon International Airport, with about 28 flights a week in July 2026. The 5,659-mile flight takes about 5h 59m gate to gate.
From
SFO
San Francisco
San Francisco International Airport
To
ICN
Seoul
Incheon International Airport
- Distance
- 5,659 mi · 9,107 km
- Flight time
- 5h 59m
- Airlines
- 3
- Seats filled
- 80%
Flights a week, July 2026
1,502 flights and 342,589 passengers in 12 months
Airlines flying SFO to ICN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 787-9 Dreamliner | 154,557 | 12h 28m |
| Korean Air | 7 | Boeing 787-10 Dreamliner, Boeing 777-300/300ER/333ER, Boeing 787-9 Dreamliner | 92,946 | 0m |
| Asiana Airlines | 7 | Airbus A350-900 | 80,146 | 0m |
| Air PremiaSeasonal or ended | n/a | Boeing 787-9 Dreamliner | 14,940 | 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 144 | 30,446 | |
| September 2025 | 136 | 27,817 | |
| October 2025 | 139 | 35,064 | |
| November 2025 | 129 | 29,065 | |
| December 2025 | 115 | 29,421 | |
| January 2026 | 122 | 18,933 | |
| February 2026 | 106 | 26,128 | |
| March 2026 | 123 | 24,501 | |
| April 2026 | 120 | 26,971 | |
| May 2026 | 123 | 32,274 | |
| June 2026 | 121 | 33,012 | |
| July 2026 | 124 | 28,957 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.