KLM flight KL 4256: New Chitose, Sapporo - Seoul Incheon

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:20 New Chitose, Sapporo (CTS) I 19:30 Seoul Incheon (ICN) 2
KL 4256 Non-stop Airbus A321neo (32Q) 3:10 Effective 2025-05-25 through 2025-10-11
Codeshare flight, operated by Korean Air.(KE 770)
Sun 16:20 New Chitose, Sapporo (CTS) I 19:30 Seoul Incheon (ICN) 2
KL 4256 Non-stop Boeing 787-10 (781) 3:10 Operates only on 2025-10-12
Codeshare flight, operated by Korean Air.(KE 770)
Daily 16:20 New Chitose, Sapporo (CTS) I 19:30 Seoul Incheon (ICN) 2
KL 4256 Non-stop Airbus A321neo (32Q) 3:10 Effective 2025-10-13 through 2025-10-25
Codeshare flight, operated by Korean Air.(KE 770)
Daily 16:50 New Chitose, Sapporo (CTS) I 20:05 Seoul Incheon (ICN) 2
KL 4256 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective from 2025-10-26
Codeshare flight, operated by Korean Air.(KE 770)
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KLM flight KL 4256:
New Chitose, Sapporo - Seoul Incheon
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

KLM KL4256
Effective 2025-05-25 through 2025-10-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Korean Air. (KE 770)
Duration: 3:10, non-stop
Airbus A321neo (32Q)

KLM KL4256
Operates only on 2025-10-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Korean Air. (KE 770)
Duration: 3:10, non-stop
Boeing 787-10 (781)

KLM KL4256
Effective 2025-10-13 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Korean Air. (KE 770)
Duration: 3:10, non-stop
Airbus A321neo (32Q)

KLM KL4256
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Korean Air. (KE 770)
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
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  • KL 4256 is an international flight departing from New Chitose, Sapporo airport, Japan (CTS) and arriving at Seoul Incheon airport, South Korea (ICN).
  • The flight distance is 883 miles, or 1420 km.
  • The timezone of both the departure and the arrival airports is UTC+9 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 3:10 and 3:15.