Cheapest Day to Buy Flights from Singapore to Sydney
Singapore to Sydney is 6,295 km (3,912 mi) great-circle — commonly 8–12 h nonstop or with 1 stop. Fares typically bottom out 3–12 weeks before departure; the calendar below shows the cheapest price for every day of the next 12 months.
Check live prices on Aviasales ↗Low Fare Calendar — Singapore to Sydney
When to book vs. when to fly — Singapore → Sydney
Live data from recent Aviasales searches for SIN → SYD, plus a booking rule of thumb.
Lowest indicative per-adult round-trip fares seen in Aviasales searches — confirmed live on the booking site before payment.
See the cheapest month’s fares ↗Search any date — Singapore → Sydney
Flight options — Singapore → Sydney
Recently-seen round-trip fares — click any flight for details, alternatives and booking.
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FAQ — SIN → SYD
How much is a flight from Singapore to Sydney?
Prices vary by season and departure day. The Low Fare Calendar on this page shows the cheapest fare for every day of the coming year between Singapore (SIN) and Sydney (SYD).
Which airlines fly from Singapore to Sydney?
The Singapore → Sydney route covers about 6,295 km and commonly 8–12 h nonstop or with 1 stop. Multiple carriers operate it — search FlyTiming to compare every airline and agency serving SIN → SYD in one search.
What is the cheapest day to fly from Singapore to Sydney?
It varies by month. The price card on this page highlights the cheapest month and the historically cheapest day of the week to fly this route — the Low Fare Calendar below marks low-fare days in green.
When is the best time to book flights from Singapore to Sydney?
As a rule of thumb, fares on international routes are usually lowest roughly 3–12 weeks before departure — and southern-summer peak (December–February) usually means the highest fares — book early or aim for the shoulder months. The calendar below is the fastest way to spot the cheapest months for Singapore → Sydney.