Korean Air flights from Chiang Mai (CNX) to Seoul Incheon (ICN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 00:15 Chiang Mai (CNX) 07:05 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A330-300 (333) 4:50 Effective from 2025-10-27
Daily 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A330-300 (333) 5:25 Valid until 2025-05-11
The flight arrives 1 day after departure.
Tue,Thu,Fri,Sun 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A330-300 (333) 5:25 Effective 2025-05-13 through 2025-06-01
The flight arrives 1 day after departure.
Daily 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A330-300 (333) 5:25 Effective 2025-06-02 through 2025-06-30
The flight arrives 1 day after departure.
Daily 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-07-01 through 2025-07-19
The flight arrives 1 day after departure.
Mon,Wed,Sat 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A330-300 (333) 5:25 Effective 2025-07-21 through 2025-09-10
The flight arrives 1 day after departure.
Daily 23:15 Chiang Mai (CNX) 06:40 Seoul Incheon (ICN) 2
Korean Air KE 668 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-09-13 through 2025-10-25
The flight arrives 1 day after departure.
Daily 15:20 Chiang Mai (CNX) 22:10 Seoul Incheon (ICN) 2
Korean Air KE 676 Non-stop Airbus A330-300 (333) 4:50 Effective from 2025-10-26
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 21:45 Chiang Mai (CNX) 05:05 Seoul Incheon (ICN) 2
Korean Air KE 5090 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Effective 2025-06-05 through 2025-07-11
Codeshare flight, operated by Jin Air.(LJ 10)
The flight arrives 1 day after departure.
Daily 21:45 Chiang Mai (CNX) 05:05 Seoul Incheon (ICN) 2
Korean Air KE 5090 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Effective 2025-07-12 through 2025-10-25
Codeshare flight, operated by Jin Air.(LJ 10)
The flight arrives 1 day after departure.




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Korean Air flights from Chiang Mai (CNX) to Seoul Incheon (ICN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Korean Air KE668
00:15
Chiang Mai (CNX)

07:05
Seoul Incheon (ICN) 2
Effective from 2025-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:50, non-stop
Airbus A330-300 (333)
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Valid until 2025-05-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:25, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Effective 2025-05-13 through 2025-06-01
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:25, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Effective 2025-06-02 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:25, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Effective 2025-07-01 through 2025-07-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Effective 2025-07-21 through 2025-09-10
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:25, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.
Korean Air KE668
23:15
Chiang Mai (CNX)

06:40(+1)
Seoul Incheon (ICN) 2
Effective 2025-09-13 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE676
15:20
Chiang Mai (CNX)

22:10
Seoul Incheon (ICN) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:50, non-stop
Airbus A330-300 (333)
Direct Codeshare Flights:
Korean Air KE5090
21:45
Chiang Mai (CNX)

05:05(+1)
Seoul Incheon (ICN) 2
Effective 2025-06-05 through 2025-07-11
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Jin Air. (LJ 10)
Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Korean Air KE5090
21:45
Chiang Mai (CNX)

05:05(+1)
Seoul Incheon (ICN) 2
Effective 2025-07-12 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Jin Air. (LJ 10)
Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
  • An international route departing from Chiang Mai airport, Thailand (CNX) and arriving at Seoul Incheon airport, South Korea (ICN).
  • The flight distance is 2099 miles, or 3378 km.
  • The timezone of the departure airport is UTC+7 , and the timezone of the arrival airport is UTC+9 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:50 and 5:25.
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