T'way Air flight TW 421: Seoul Incheon - Ulaanbaatar

FLIGHT SCHEDULE
Direct Flights:
Mon,Wed,Fri,Sun 11:10 Seoul Incheon (ICN) 1 13:50 Ulaanbaatar (UBN) 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) TW 421 Non-stop Boeing 737-800 (738) 3:40 Effective 2026-09-02 through 2026-09-30

TW 421 is an international flight 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.

T'way Air flight TW 421:
Seoul Incheon - Ulaanbaatar

FLIGHT SCHEDULE

Direct Flights:

T'way Air TW421

11:10

13:50

Effective 2026-06-01 through 2026-08-31

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 3:40, non-stop
Airbus A330-300 (333)