Austrian
flight
OS 8604:
Hong Kong - Bangkok Suvarnabhumi
Hong Kong - Bangkok Suvarnabhumi
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS8604
Valid until 2026-01-02
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A350-900 (359)
Direct Codeshare Flights:
Austrian OS8604
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A330-300 (333)
Direct Codeshare Flights:
Austrian OS8604
Effective 2026-01-05 through 2026-01-14
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A350-900 (359)
Direct Codeshare Flights:
Austrian OS8604
Effective 2026-01-15 through 2026-02-09
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A350-900 (359)
Direct Codeshare Flights:
Austrian OS8604
Effective 2026-02-10 through 2026-02-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A350-900 (359)
Direct Codeshare Flights:
Austrian OS8604
Effective 2026-02-25 through 2026-03-28
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Airbus A350-900 (359)
Direct Codeshare Flights:
Austrian OS8604
Effective from 2026-10-25
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:45, non-stop Boeing 777 (777)
Direct Codeshare Flights:
Austrian OS8604
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Thai Airways.
(TG 639)
Duration: 2:40, non-stop Boeing 777 (777)
- OS 8604 is an international flight departing from Hong Kong airport, Hong Kong (HKG) and arriving at Bangkok Suvarnabhumi airport, Thailand (BKK).
- The flight distance is 1049 miles, or 1688 km.
- The timezone of the departure airport is UTC+8 , and the timezone of the arrival airport is UTC+7 . 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 2:40 and 2:45.