Seoul (ICN) to San Francisco (SFO) flights
4 airlines fly nonstop from Seoul (ICN) to San Francisco (SFO): Air Premia, Asiana Airlines, Korean Air and United Airlines. The two airports are 5,646 miles (9,086 km) apart. Asiana Airlines and United Airlines are in Star Alliance and Korean Air is in SkyTeam. There are also 41 ways to fly it with one stop, through Sapporo, Seattle and Tokyo and more.
Airlines flying nonstop from ICN to SFO
- YPAir PremiaNot in an alliance
- Asiana AirlinesStar Alliance · bookable with 11 programsWho books it

- Korean AirSkyTeam · bookable with 10 programsWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book ICN to SFO with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Asiana Airlines, United Airlines
- Air New Zealand AirpointsBooks Asiana Airlines, United Airlines
- ANA Mileage ClubBooks Asiana Airlines, United Airlines
- Avianca LifeMilesBooks Asiana Airlines, United Airlines
- Emirates SkywardsBooks Korean Air, United Airlines
- EVA Air Infinity MileageLandsBooks Asiana Airlines, United Airlines
- Lufthansa Miles & MoreBooks Asiana Airlines, United Airlines
- Singapore Airlines KrisFlyerBooks Asiana Airlines, United Airlines
- TAP Miles&GoBooks Asiana Airlines, United Airlines
- Thai Royal Orchid PlusBooks Asiana Airlines, United Airlines
- Turkish Airlines Miles&SmilesBooks Asiana Airlines, United Airlines
- United MileagePlusBooks Asiana Airlines, United Airlines
- Aeromexico RewardsBooks Korean Air
- Air France-KLM Flying BlueBooks Korean Air
- Alaska Atmos RewardsBooks Korean Air
- China Eastern Eastern MilesBooks Korean Air
- Delta SkyMilesBooks Korean Air
- Garuda Indonesia GarudaMilesBooks Korean Air
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Korean Air
- SAS EuroBonusBooks Korean Air
- Virgin Atlantic Flying ClubBooks Korean Air
ICN to SFO with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Sapporo (CTS)Jeju Air, Korean Air and 5 more, then United Airlines

+4

- Via Seattle (SEA)Delta Air Lines and Alaska Airlines the whole way

+1



- Via Tokyo (NRT)Zipair Tokyo the whole way

+10

+1
- Via Vancouver (YVR)Air Canada the whole way






- Via Tokyo (HND)Korean Air, Peach Aviation and 1 more, then JAL, United Airlines and 1 more






- Via Osaka (KIX)Jeju Air, Korean Air and 8 more, then United Airlines

+7

- Via Los Angeles (LAX)Korean Air, Asiana Airlines and 1 more, then American Airlines, Alaska Airlines and 4 more

YP
+3
- Via Calgary (YYC)WestJet the whole way



- Via Las Vegas (LAS)Delta Air Lines, Korean Air and 1 more, then Alaska Airlines, Frontier Airlines and 2 more




+1
- Via Beijing (PEK)Air China the whole way





- Via Salt Lake City (SLC)Delta Air Lines the whole way




- Via Shanghai (PVG)China Eastern Airlines the whole way

+4


- Via Okinawa (OKA)Jeju Air, Korean Air and 4 more, then United Airlines

+3

- Via Honolulu (HNL)Korean Air and Air Premia, then Alaska Airlines and United Airlines
YP

- Via Wuhan (WUH)China Southern Airlines the whole way




ICN to SFO: common questions
Which airlines fly nonstop from ICN to SFO?
Air Premia, Asiana Airlines (Star Alliance), Korean Air (SkyTeam) and United Airlines (Star Alliance) fly nonstop from Seoul (ICN) to San Francisco (SFO).
How far is Seoul from San Francisco by plane?
Seoul (ICN) and San Francisco (SFO) are 5,646 miles (9,086 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book ICN to SFO award flights?
22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does ICN to SFO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ICN to SFO with taxes and fees.
Where can I connect between Seoul and San Francisco?
The most direct connections are through Sapporo (CTS), Seattle (SEA), Tokyo (NRT), Vancouver (YVR) and Tokyo (HND). On 30 of them the same airline flies both flights, for example Delta Air Lines through Seattle.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.