Sydney to Bangkok — Flight Time
SYD → BKK · 10h 02m · 7,515 km · UTC+10/+11 → UTC+7
Flying time estimate for a non-stop flight: 10h 02m over 7,515 km.
A non-stop flight from Sydney, Australia (SYD) to Bangkok, Thailand (BKK) would cover approximately 7,515 km (4,670 miles) along the great-circle route, with an estimated flight duration of 10 hours and 2 minutes.
Non-stop service: Qantas lists a non-stop service on this route (source: Qantas; checked 18 Oct 2026). Qantas lists “Bangkok and Sydney” among its direct international routes. The 10h 02m above is our computed estimate, not the airline’s schedule.
| Via | Leg 1 | Leg 2 | Total distance | Flying time (excl. connection) |
|---|---|---|---|---|
| Singapore (SIN) | 6,293 km · ~8h39m | 1,417 km · ~3h07m | 7,710 km | ~11.8 h |
| Kuala Lumpur (KUL) | 6,585 km · ~8h59m | 1,221 km · ~2h53m | 7,805 km | ~11.9 h |
| Hong Kong (HKG) | 7,394 km · ~9h54m | 1,690 km · ~3h25m | 9,084 km | ~13.3 h |
Add your connection time. Total journey time = flying time + time on the ground at the hub. Your itinerary shows the exact figure.
Bangkok is 3–4 hours behind Sydney, depending on daylight saving. Set your watch back on arrival.
These estimates assume a typical commercial cruising speed of 880 km/h and include standard time for taxi, climb and descent. Actual scheduled times can differ by an hour or more on long routes, depending on airline, routing, aircraft and winds.
Time zones & arrival
Time shift: Bangkok is between 3 and 4 hours behind Sydney, depending on the time of year (Sydney uses daylight saving and Bangkok does not). On the shortest (great-circle) route you fly west, so clocks go back on arrival.
These are clock facts only, not health advice.
Related
Sources
- Qantas international flight routes — checked 18 Oct 2026
- OurAirports airport coordinates (public domain)
- IANA time zone database (time shift)
Route record checked by hand on 18 Oct 2026. One-stop figures are computed from airport coordinates with the site formula (880 km/h + 1.5 h per leg) and exclude connection time.