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

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Singapore Airlines Flight 231 Route Deals From $451

The cheapest prices found with in the last 7 days for return flights were $752 and $451 for one-way flights to Kingsford Smith Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 2 - Mon, Jul 14
SIN
Changi
SYD
Kingsford Smith Intl.
$752 Roundtrip, found 6 days ago
$752
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Wed, Jul 2 from Changi to Kingsford Smith Intl., returning Mon, Jul 14, priced at $752 found 6 days ago

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.