United States to South Korea · 5,646 miles (9,086 km)

San Francisco (SFO) to Seoul (ICN) flights

4 airlines fly nonstop from San Francisco (SFO) to Seoul (ICN): 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 SFO to ICN

  • YP
    Air PremiaNot in an alliance
  • Asiana Airlines logo
    Asiana AirlinesStar Alliance · bookable with 11 programsWho books it
  • Korean Air logo
    Korean AirSkyTeam · bookable with 10 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book SFO to ICN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SFO to ICN with one stop

41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Sapporo (CTS)United Airlines, then Jeju Air, Korean Air and 5 more
    United Airlines logo
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +4
  • Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
    Korean Air logo
    Asiana Airlines logo
    +1
  • Via Tokyo (NRT)Zipair Tokyo the whole way
    ANA logo
    United Airlines logo
    JAL logo
    +1
    Jeju Air logo
    Ethiopian Airlines logo
    Korean Air logo
    +10
  • Via Vancouver (YVR)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Flair Airlines logo
    Air Canada logo
    Korean Air logo
    T´Way Air logo
  • Via Tokyo (HND)JAL, United Airlines and 1 more, then Korean Air, Peach Aviation and 1 more
    JAL logo
    United Airlines logo
    ANA logo
    Korean Air logo
    Peach Aviation logo
    Asiana Airlines logo
  • Via Osaka (KIX)United Airlines, then Jeju Air, Korean Air and 8 more
    United Airlines logo
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +7
  • Via Los Angeles (LAX)American Airlines, Alaska Airlines and 4 more, then Korean Air, Asiana Airlines and 1 more
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
    Korean Air logo
    Asiana Airlines logo
    YP
  • Via Calgary (YYC)WestJet the whole way
    United Airlines logo
    WestJet logo
    WestJet logo
  • Via Las Vegas (LAS)Alaska Airlines, Frontier Airlines and 2 more, then Delta Air Lines, Korean Air and 1 more
    Alaska Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Delta Air Lines logo
    Korean Air logo
    American Airlines logo
  • Via Beijing (PEK)Air China the whole way
    Air China logo
    United Airlines logo
    Air China logo
    Korean Air logo
    Asiana Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Shanghai (PVG)China Eastern Airlines the whole way
    China Eastern Airlines logo
    United Airlines logo
    Spring Airlines logo
    China Southern Airlines logo
    Shanghai Airlines logo
    +4
  • Via Okinawa (OKA)United Airlines, then Jeju Air, Korean Air and 4 more
    United Airlines logo
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +3
  • Via Honolulu (HNL)Alaska Airlines and United Airlines, then Korean Air and Air Premia
    Alaska Airlines logo
    United Airlines logo
    Korean Air logo
    YP
  • Via Wuhan (WUH)China Southern Airlines the whole way
    China Southern Airlines logo
    China Southern Airlines logo
    Korean Air logo
    T´Way Air logo
See all 41 in Routes

SFO to ICN: common questions

Which airlines fly nonstop from SFO to ICN?

Air Premia, Asiana Airlines (Star Alliance), Korean Air (SkyTeam) and United Airlines (Star Alliance) fly nonstop from San Francisco (SFO) to Seoul (ICN).

How far is San Francisco from Seoul by plane?

San Francisco (SFO) and Seoul (ICN) 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 SFO to ICN 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 SFO to ICN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SFO to ICN with taxes and fees.

Where can I connect between San Francisco and Seoul?

The most direct connections are through Sapporo (CTS), Seattle (SEA), Tokyo (NRT), Vancouver (YVR) and Tokyo (HND). On 28 of them the same airline flies both flights, for example Alaska Airlines 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.