United States to South Korea · 6,943 miles (11,174 km)

Dulles (IAD) to Seoul (ICN) flights

2 airlines fly nonstop from Dulles (IAD) to Seoul (ICN): Air Premia and Korean Air. The two airports are 6,943 miles (11,174 km) apart. Korean Air is in SkyTeam. There are also 40 ways to fly it with one stop, through Toronto, Detroit and Montreal and more.

Airlines flying nonstop from IAD to ICN

  • YP
    Air PremiaNot in an alliance
  • Korean Air logo
    Korean AirSkyTeam · bookable with 10 programsWho books it

Book IAD to ICN with points

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

IAD to ICN with one stop

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

  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
    Korean Air logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    YP
    United Airlines logo
  • Via New York (JFK)Delta Air Lines, then Korean Air and Asiana Airlines
    Delta Air Lines logo
    Korean Air logo
    Asiana Airlines logo
  • Via Chicago (ORD)United Airlines, then Korean Air
    United Airlines logo
    Korean Air logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Sun Country Airlines logo
    Delta Air Lines logo
  • Via Boston (BOS)United Airlines, then Korean Air
    United Airlines logo
    Korean Air logo
  • Via Calgary (YYC)WestJet the whole way
    United Airlines logo
    WestJet logo
    WestJet logo
  • Via Vancouver (YVR)United Airlines, then Air Canada, Korean Air and 1 more
    United Airlines logo
    Air Canada logo
    Korean Air logo
    T´Way Air logo
  • Via Beijing (PEK)Air China the whole way
    Air China logo
    Air China logo
    Korean Air logo
    Asiana Airlines logo
  • Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    United Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
    Korean Air logo
    Asiana Airlines logo
    +1
  • Via Tokyo (HND)United Airlines and ANA, then Korean Air, Peach Aviation and 1 more
    United Airlines logo
    ANA logo
    Korean Air logo
    Peach Aviation logo
    Asiana Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Korean Air logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
See all 40 in Routes

IAD to ICN: common questions

Which airlines fly nonstop from IAD to ICN?

Air Premia and Korean Air (SkyTeam) fly nonstop from Dulles (IAD) to Seoul (ICN).

How far is Dulles from Seoul by plane?

Dulles (IAD) and Seoul (ICN) are 6,943 miles (11,174 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAD to ICN award flights?

10 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, China Eastern Eastern Miles, Delta SkyMiles, Emirates Skywards, Garuda Indonesia GarudaMiles, Korean Air SKYPASS and 2 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAD 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 IAD to ICN with taxes and fees.

Where can I connect between Dulles and Seoul?

The most direct connections are through Toronto (YYZ), Detroit (DTW), Montreal (YUL), New York (EWR) and New York (JFK). On 25 of them the same airline flies both flights, for example Air Canada through Toronto.

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.