Turkish Airlines flight TK 21: Seoul Incheon - Istanbul

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed,Fri,Sat 10:15 Seoul Incheon (ICN) 1 15:55 Istanbul (IST)
TK 21 Non-stop Boeing 777-300ER (77W) 11:40 Effective 2026-03-30 through 2026-10-24
Mon,Wed,Fri,Sat 10:45 Seoul Incheon (ICN) 1 16:40 Istanbul (IST)
TK 21 Non-stop Boeing 777-300ER (77W) 11:55 Valid until 2026-01-03
Mon 10:45 Seoul Incheon (ICN) 1 16:40 Istanbul (IST)
TK 21 Non-stop Boeing 787-9 (789) 11:55 Operates only on 2026-01-05
Mon,Wed,Fri,Sat 10:45 Seoul Incheon (ICN) 1 16:40 Istanbul (IST)
TK 21 Non-stop Boeing 777-300ER (77W) 11:55 Effective 2026-01-07 through 2026-03-28
Mon,Wed,Fri,Sat 10:45 Seoul Incheon (ICN) 1 16:40 Istanbul (IST)
TK 21 Non-stop Boeing 777-300ER (77W) 11:55 Effective from 2026-10-26


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Turkish Airlines flight TK 21:
Seoul Incheon - Istanbul
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Turkish Airlines TK21
10:15
Seoul Incheon (ICN) 1

15:55
Istanbul (IST)
Effective 2026-03-30 through 2026-10-24
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 11:40, non-stop
Boeing 777-300ER (77W)
Direct Flights:
Turkish Airlines TK21
10:45
Seoul Incheon (ICN) 1

16:40
Istanbul (IST)
Valid until 2026-01-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 11:55, non-stop
Boeing 777-300ER (77W)
Direct Flights:
Turkish Airlines TK21
10:45
Seoul Incheon (ICN) 1

16:40
Istanbul (IST)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 11:55, non-stop
Boeing 787-9 (789)
Direct Flights:
Turkish Airlines TK21
10:45
Seoul Incheon (ICN) 1

16:40
Istanbul (IST)
Effective 2026-01-07 through 2026-03-28
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 11:55, non-stop
Boeing 777-300ER (77W)
Direct Flights:
Turkish Airlines TK21
10:45
Seoul Incheon (ICN) 1

16:40
Istanbul (IST)
Effective from 2026-10-26
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 11:55, non-stop
Boeing 777-300ER (77W)
  • TK 21 is an international flight departing from Seoul Incheon airport, South Korea (ICN) and arriving at Istanbul airport, Turkey (IST).
  • The flight distance is 4921 miles, or 7919 km.
  • The timezone of the departure airport is UTC+9 , and the timezone of the arrival airport is UTC+3 . 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 11:40 and 11:55.
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