Seoul (ICN) → San Francisco (SFO)
Incheon International Airport to San Francisco International Airport · 4,906 nm (9,086 km) · about 11 h nonstop
Cheapest economy and business class fares, checked daily · 1 day of history
Booking links are plain searches — none are affiliate links, and the site earns nothing if you book. Prices are the cheapest fares other travellers recently found, not live availability — always confirm the fare before you pay.
Economy
last checked 5m agoAir Premia · nonstop · 11h 00m · travel Oct 3
| Checked | Fare | Airline | Stops | Travel | |
|---|---|---|---|---|---|
| 2026-09-09 | $443 | Air Premia | nonstop | Oct 3 | Book ↗ |
Business class
last checked 5m agoAir Premia · nonstop · 11h 00m · travel Oct 3
| Checked | Fare | Airline | Stops | Travel | |
|---|---|---|---|---|---|
| 2026-09-09 | $443 | Air Premia | nonstop | Oct 3 | Book ↗ |
Airlines selling the cheapest fares
Which carrier had the lowest fare on each of our checks over the last 90 days.
- Air Premia ×2
Notable flights on this route
- OZ202 Asiana Airlines — Asiana Airlines, Seoul Incheon to San Francisco.
About this route
Seoul (ICN) to San Francisco (SFO) is one of the long-haul trunk routes behind our notable flights, flown daily by competing carriers. Flown by OZ202. It links Incheon International Airport in South Korea with San Francisco International Airport in United States. The great-circle distance is about 4,906 nautical miles (5,647 statute miles), so expect roughly 11 hours in the air nonstop.
Every night we ask our fare provider for the cheapest one-way economy and business class fare other travellers recently found on this route and record it. A fare is flagged as a deal when it falls at least 30% below the route's 90-day typical price. Prices are a research starting point, not live availability — the booking links open the itinerary so you can confirm what's on sale right now.
Fares are approximate, from public sources, and can be stale — always verify before booking.