Korean Air flights from Jeju (CJU) to Cheongju (CJJ).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:20 Jeju (CJU) 08:30 Cheongju (CJJ)
Korean Air KE 1704 Non-stop Airbus A220-300 (223) 1:10 Effective 2026-03-29 through 2026-10-24
Daily 07:30 Jeju (CJU) 08:40 Cheongju (CJJ)
Korean Air KE 1704 Non-stop Airbus A220-300 (223) 1:10 Valid until 2026-03-28
Daily 07:30 Jeju (CJU) 08:40 Cheongju (CJJ)
Korean Air KE 1704 Non-stop Airbus A220-300 (223) 1:10 Effective from 2026-10-25
Tue,Thu,Sat 09:10 Jeju (CJU) 10:20 Cheongju (CJJ)
Korean Air KE 1708 Non-stop Airbus A220-300 (223) 1:10 Effective 2026-03-31 through 2026-10-24
Daily 11:15 Jeju (CJU) 12:25 Cheongju (CJJ)
Korean Air KE 1708 Non-stop Airbus A220-300 (223) 1:10 Valid until 2026-03-28
Daily 11:15 Jeju (CJU) 12:25 Cheongju (CJJ)
Korean Air KE 1708 Non-stop Airbus A220-300 (223) 1:10 Effective from 2026-10-25
Daily 12:15 Jeju (CJU) 13:25 Cheongju (CJJ)
Korean Air KE 1712 Non-stop Airbus A220-300 (223) 1:10 Effective 2026-03-29 through 2026-10-24
Daily 14:35 Jeju (CJU) 15:45 Cheongju (CJJ)
Korean Air KE 1714 Non-stop Airbus A220-300 (223) 1:10 Valid until 2026-03-28
Daily 14:35 Jeju (CJU) 15:45 Cheongju (CJJ)
Korean Air KE 1714 Non-stop Airbus A220-300 (223) 1:10 Effective from 2026-10-25
Daily 15:20 Jeju (CJU) 16:30 Cheongju (CJJ)
Korean Air KE 1722 Non-stop Airbus A220-300 (223) 1:10 Effective 2026-03-29 through 2026-10-24
Daily 16:25 Jeju (CJU) 17:35 Cheongju (CJJ)
Korean Air KE 1722 Non-stop Boeing 737-900 (739) 1:10 Valid until 2026-03-28
Daily 16:25 Jeju (CJU) 17:35 Cheongju (CJJ)
Korean Air KE 1722 Non-stop Airbus A220-300 (223) 1:10 Effective from 2026-10-25
Direct Codeshare Flights:
Daily 08:55 Jeju (CJU) 10:05 Cheongju (CJJ)
Korean Air KE 5178 Non-stop Boeing 737-800 (738) 1:10 Valid until 2026-03-28
Codeshare flight, operated by Jin Air.(LJ 402)
Daily 14:05 Jeju (CJU) 15:15 Cheongju (CJJ)
Korean Air KE 5182 Non-stop Boeing 737-900 (739) 1:10 Valid until 2026-03-28
Codeshare flight, operated by Jin Air.(LJ 408)
Daily 16:00 Jeju (CJU) 17:10 Cheongju (CJJ)
Korean Air KE 5186 Non-stop Boeing 737-800 (738) 1:10 Valid until 2026-03-28
Codeshare flight, operated by Jin Air.(LJ 412)




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Korean Air flights from Jeju (CJU) to Cheongju (CJJ).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Korean Air KE1704
07:20
Jeju (CJU)

08:30
Cheongju (CJJ)
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1704
07:30
Jeju (CJU)

08:40
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1704
07:30
Jeju (CJU)

08:40
Cheongju (CJJ)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1708
09:10
Jeju (CJU)

10:20
Cheongju (CJJ)
Effective 2026-03-31 through 2026-10-24
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1708
11:15
Jeju (CJU)

12:25
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1708
11:15
Jeju (CJU)

12:25
Cheongju (CJJ)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1712
12:15
Jeju (CJU)

13:25
Cheongju (CJJ)
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1714
14:35
Jeju (CJU)

15:45
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1714
14:35
Jeju (CJU)

15:45
Cheongju (CJJ)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1722
15:20
Jeju (CJU)

16:30
Cheongju (CJJ)
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Korean Air KE1722
16:25
Jeju (CJU)

17:35
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Boeing 737-900 (739)
Direct Flights:
Korean Air KE1722
16:25
Jeju (CJU)

17:35
Cheongju (CJJ)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Korean Air KE5178
08:55
Jeju (CJU)

10:05
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Jin Air. (LJ 402)
Duration: 1:10, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE5182
14:05
Jeju (CJU)

15:15
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Jin Air. (LJ 408)
Duration: 1:10, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE5186
16:00
Jeju (CJU)

17:10
Cheongju (CJJ)
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Jin Air. (LJ 412)
Duration: 1:10, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Jeju airport (CJU) and arriving at Cheongju airport (CJJ).
  • The flight distance is 229 miles, or 368 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 1:10.
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