Cheap flights from Seoul to San Francisco (ICN–SFO)
ICNIncheon International Airport
South Korea
South Korea
SFOSan Francisco International Airport
United States
United States
Air Premia, Asiana Airlines, Korean Air and United Airlines fly Seoul to San Francisco (ICN–SFO) nonstop and back, a great-circle distance of 9,090 km (5,650 mi).
- From
- ICN
- Seoul
- To
- SFO
- San Francisco
- Nonstop
- Yes · 4 airlines
- Airlines
- YP · OZ · KE · UA
- Cheapest fare found
- ₩605,037 one-way
- Distance
- 9,090 km (5,650 mi)
- Time difference
- San Francisco 16 hours behind
- Most flights
- Asiana Airlines
- Time in the air
- 10h 05m · 11h 56m back
- Flights a week
- OZ ~1 · UA ~1
- Aircraft seen
- Airbus A350-900 · Boeing 787-9 Dreamliner · Boeing 747-8
Network data imported from airport and airline sources:· How we verify
Seoul to San Francisco fares by month
Cheapest one-way fare found: ₩605,037 for October 2026 on Air Canada (1 stop). Nonstop from ₩607,234.
- Oct ’26₩605,037nonstop ₩634,361
- Nov ’26₩607,234
- Jan ’27₩877,107
- Apr ’27₩671,061
- Jun ’27₩621,270
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly ICN–SFO
For Seoul Incheon (ICN) to San Francisco (SFO), October 2026 had the lowest fare found (₩605,037). Set your watch 16 hours back on landing at SFO.
Seoul to San Francisco: frequently asked questions
Fares: Aviasales price cache, 11 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Seoul Incheon (ICN) to San Francisco (SFO)?
From ₩605,037 one-way, the cheapest fare found for October 2026 on Air Canada with 1 stop; nonstop from ₩607,234 (found 11 October 2026).
How long is the ICN–SFO flight?
10h 05m wheels-up to wheels-down, the median of 5 tracked flights; SFO–ICN took 11h 56m.
Which airlines fly ICN–SFO direct?
Air Premia, Asiana Airlines, Korean Air and United Airlines.
What is the cheapest month to fly ICN–SFO?
October 2026, at ₩605,037; the dearest month found was ₩877,107.
What is the time difference between Seoul and San Francisco?
San Francisco is 16 hours behind Seoul: a ICN departure at noon is 20:00 local time in SFO.
How many ICN–SFO flights a week?
Asiana Airlines 1 and United Airlines 1 each way.
What aircraft fly ICN–SFO?
Airbus A350-900, Boeing 787-9 Dreamliner and Boeing 747-8.
San Francisco to Seoul: the return flight (SFO–ICN)
All 4 airlines also fly SFO–ICN nonstop.
The return takes 11h 56m in the air (median of 26 tracked flights), 111 minutes longer than ICN–SFO.
Airlines flying ICN–SFO nonstop
| Airline | Type | Alliance |
|---|---|---|
 Air Premia YP | full-service | — |
 Asiana Airlines OZ | full-service | Star Alliance |
 Korean Air KE | full-service | SkyTeam |
| United Airlines UA | full-service | Star Alliance |
One-stop alternatives to flying ICN–SFO nonstop
One airline on both legs; check it's sold as one ticket.
- Via Vancouver (YVR) with
Air Canada: 9,490 km (5,900 mi) flown, 4% further than nonstop. - Via Seattle (SEA) with
Alaska Airlines and Delta Air Lines: 9,470 km (5,880 mi) flown, 4% further than nonstop. - Via Tokyo (NRT) with
ZIPAIR Tokyo: 9,480 km (5,890 mi) flown, 4% further than nonstop. - Via Calgary (YYC) with
WestJet: 10,180 km (6,330 mi) flown, 12% further than nonstop. - Via Beijing (PEK) with
Air China: 10,400 km (6,460 mi) flown, 14% further than nonstop.
ICN–SFO route map
More from Seoul and San Francisco
Other arrivals in United States
Also nonstop from ICN, nearest to SFO first (straight-line distance):
- ICN–LAX: Los Angeles · 543 km (338 mi) from SFO
- Las Vegas (LAS) airport guide · 665 km (413 mi) from SFO
- Salt Lake City (SLC) airport guide · 962 km (598 mi) from SFO
- ICN–SEA: Seattle · 1,090 km (679 mi) from SFO
- ICN–DFW: Dallas · 2,350 km (1,460 mi) from SFO
Explore the airlines’ route maps
- Air Premia route map and destinations
- Asiana Airlines route map and destinations
- Korean Air route map and destinations
- United Airlines route map and destinations
Plan your arrival at San Francisco International Airport (SFO)
Departure
Incheon International Airport
Incheon (ICN), Seoul. In our data, 83 airlines fly nonstop from ICN to 157 destinations.
View ICN airport guide →Arrival
San Francisco International Airport
2 ways into San Francisco, fastest from 25 min:
- BART 30–35 min
- Taxi or rideshare 25–45 min
Onward from San Francisco
Places you can't fly to nonstop from ICN, but can from SFO — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.