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Local time zone: Asia/Seoul
Incheon International Airport (ICN) had nonstop service to 159 destinations on 80 airlines in our August 17, 2026 departure snapshot. The busiest route was to Tokyo (NRT), served by 12 carriers, and the largest operator here was Korean Air with nonstops to 88 destinations. 156 of those routes were international.
Route data as of August 17, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from ICN to 159 destinations, including 156 international routes. The snapshot shows 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
Taipei · 909 mi
Guangzhou · 1,246 mi
London · 5,506 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 August 17, 2026 departure data was ICN to NRT (Tokyo), with 39-40/day across 12 airlines.
Korean Air was the largest operator in our ICN schedule data, serving 88 destinations with 123/day.
This schedule snapshot includes 156 international routes and 3 domestic routes from ICN.
80 airlines operated at ICN in our August 17, 2026 snapshot. Top carriers include Korean Air, Asiana Airlines, Jeju Air, T'way Air, Jin Air.
This schedule snapshot includes direct flights from ICN to 159 destinations including Tokyo, Osaka, Fukuoka, Hong Kong, Qingdao.
View live arrivals and departures at ICN on FlightRadar24.
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