Flight Time from Singapore to Sydney (6,304 km)
Estimates the Singapore to Sydney flight time at 900 km/h — approximately 7 hours.
How to use this tool
- Enter the flight distance in kilometres (available on your booking page).
- Enter the aircraft's cruising speed — 900 km/h is a good default for most commercial jets.
- The calculator returns the estimated flight duration in hours and minutes.
- Add 20–40 minutes for taxiing, take-off, and landing not included in cruise time.
The Singapore–Sydney flight covers 6,304 km and typically takes around 7 hours at cruising altitude.
Frequently asked questions
- How is flight time calculated?
- Flight time = distance ÷ cruising speed. A 1000 km route at 900 km/h takes about 1 hour 7 minutes of cruise time. Add extra time for ground operations.
- What is a typical commercial jet speed?
- Most commercial jets cruise between 800 and 950 km/h (500–590 mph). Long-haul wide-bodies like the Boeing 787 or Airbus A350 typically cruise at around 900 km/h.