Singapore Airlines Flight 231 Deals & Information (2025/2026)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frequently asked questions

What route does flight number SQ231 take?
Flight number SQ231 flies straight from Singapore Airport (SIN-Changi) to Sydney, NSW Airport (SYD-Kingsford Smith Intl.). During this trip, expect to be in the air for roughly 7 hours and 40 minutes. Consider booking ahead to get your preferred seat.
What terminal does SQ231 fly out of?
Flight number SQ231 runs between Changi Airport and Sydney, NSW Airport (SYD-Kingsford Smith Intl.), and those booked on this flight typically depart from Terminal 3.
What kind of plane is on flight number SQ231?
You're likely to find yourself boarding the Boeing 777-300ER if you're booked on flight number SQ231. This flight usually leaves from Changi Airport (SIN) and touches down at SYD.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your SQ231 flight with Travelocity, please visit our Customer Service Portal.