Korean Air flight KE 1233: Seoul Gimpo - Jeju

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed,Fri 20:40 Seoul Gimpo (GMP) D 21:55 Jeju (CJU)
KE 1233 Non-stop Boeing 737-900 (739) 1:15 Valid until 2026-03-27
Sun 20:40 Seoul Gimpo (GMP) D 21:55 Jeju (CJU)
KE 1233 Non-stop Airbus A321neo (32Q) 1:15 Effective 2026-01-04 through 2026-03-22
Daily 20:40 Seoul Gimpo (GMP) D 21:55 Jeju (CJU)
KE 1233 Non-stop Airbus A220-300 (223) 1:15 Effective from 2026-10-25
Tue,Thu,Sat 20:45 Seoul Gimpo (GMP) D 22:00 Jeju (CJU)
KE 1233 Non-stop Airbus A321neo (32Q) 1:15 Valid until 2026-03-28


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Korean Air flight KE 1233:
Seoul Gimpo - Jeju
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Korean Air KE1233
20:40
Seoul Gimpo (GMP) D

21:55
Jeju (CJU)
Valid until 2026-03-27
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Korean Air KE1233
20:40
Seoul Gimpo (GMP) D

21:55
Jeju (CJU)
Effective 2026-01-04 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Airbus A321neo (32Q)
Direct Flights:
Korean Air KE1233
20:40
Seoul Gimpo (GMP) D

21:55
Jeju (CJU)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1233
20:45
Seoul Gimpo (GMP) D

22:00
Jeju (CJU)
Valid until 2026-03-28
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Airbus A321neo (32Q)
  • KE 1233 is a domestic flight departing from the Seoul Gimpo airport (GMP) and arriving at Jeju airport (CJU).
  • The flight distance is 280 miles, or 450 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 is 1:15.
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