T'way Air flights from Seoul Incheon (ICN) to Ulaanbaatar (UBN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed,Fri,Sun 11:10 Seoul Incheon (ICN) 1 13:50 Ulaanbaatar (UBN)
T'way Air TW 421 Non-stop Airbus A330-300 (333) 3:40 Effective 2026-06-01 through 2026-08-31
Mon,Wed,Fri,Sun 11:10 Seoul Incheon (ICN) 1 13:50 Ulaanbaatar (UBN)
T'way Air TW 421 Non-stop Boeing 737-800 (738) 3:40 Effective 2026-09-02 through 2026-09-30


T'way Air flights from Seoul Incheon (ICN) to Ulaanbaatar (UBN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-06-01 through 2026-08-31
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 3:40, non-stop
Airbus A330-300 (333)

Direct Flights:

Effective 2026-09-02 through 2026-09-30
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (738)
  • An international route departing from Seoul Incheon airport, South Korea (ICN) and arriving at Ulaanbaatar airport, Mongolia (UBN).
  • The flight distance is 1215 miles, or 1956 km.
  • The timezone of the departure airport is UTC+9 , and the timezone of the arrival airport is UTC+8 . 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 is 3:40.