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Local time zone: Asia/Seoul · currently 6:26 AM local
Incheon International Airport (ICN) currently has nonstop service to 159 destinations on 80 airlines in our latest departure data. The busiest route is to Tokyo (NRT), served by 12 carriers, and the largest operator here is Korean Air with nonstops to 88 destinations. 156 of its routes are international.
Route data as of August 16, 2026, based on a 7-day departures sample.
You can fly nonstop from ICN to 159 destinations, including 156 international routes. Current schedules show about 556 flights per day across those routes. The busiest options start with Tokyo (NRT), Osaka (KIX), Fukuoka (FUK).
All airports near Seoul (2 compared) →
156 international routes in this schedule set
China 41 · Japan 28 · United States 16
39-40/day on 12 airlines
Boeing 737 · Airbus A320 family · Airbus A330
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Seoul to Tokyo · JP
Atlanta · 7,138 mi
Hong Kong · 1,286 mi
Shanghai · 511 mi
New York · 6,890 mi
Guangzhou · 1,246 mi
Shenzhen · 1,271 mi
Ulaanbaatar · 1,216 mi
Ranked by destinations served, then daily frequency.
+28 more ICN routes on T'way Air — use the full route directory for every destination.
+20 more ICN routes on Jin Air — use the full route directory for every destination.
+17 more ICN routes on Eastar Jet — use the full route directory for every destination.
+9 more ICN routes on China Southern Airlines — use the full route directory for every destination.
+7 more ICN routes on China Eastern Airlines — use the full route directory for every destination.
+5 more ICN routes on Air Seoul — use the full route directory for every destination.
+4 more ICN routes on Air China — use the full route directory for every destination.
+2 more ICN routes on VietJet Air — use the full route directory for every destination.
+2 more ICN routes on Air Busan — use the full route directory for every destination.
+2 more ICN routes on Parata Air — use the full route directory for every destination.
+1 more ICN routes on Delta Air Lines — use the full route directory for every destination.
+1 more ICN routes on Air Premia — use the full route directory for every destination.
Grouped by departure terminal in our schedule data, with each carrier's share of that terminal's captured departures.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Showing the 60 busiest destinations. Browse all 159 ICN nonstop destinations →
Incheon International Airport (ICN / RKSI) is located in Seoul, South Korea.
The IATA code is ICN. The ICAO code is RKSI.
The busiest scheduled route from ICN in our current departure data is ICN to NRT (Tokyo), with 39-40/day across 12 airlines.
Korean Air is the largest operator in our ICN schedule data, serving 88 destinations with 123/day.
ICN has 156 international routes and 3 domestic routes in the current schedule set.
80 airlines operate at ICN. Top carriers include Korean Air, Asiana Airlines, Jeju Air, T'way Air, Jin Air.
ICN has direct flights to 159 destinations including Tokyo, Osaka, Fukuoka, Hong Kong, Qingdao.
View live arrivals and departures at ICN on FlightRadar24.
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