Month-by-month flight prices, weather and crowds for Bali, scored for travellers flying from Sydney.
The short answer
The best time to fly to Bali from Sydney is May to June and September to October, when good weather, manageable crowds and competitive fares line up. The Window Score peaks at 82/100 in September. Flights are usually cheapest in February (around A$510 return).
Window Score blends weather, crowds, flight price and AUD strength. Higher is better.
| Month | Window Score | Avg temp | Rainfall | Crowds | Avg return fare |
|---|---|---|---|---|---|
| January | 26Poor | 26°C | 382mm | Peak season | A$685 |
| February | 32Poor | 26°C | 356mm | Moderate crowds | A$510 |
| March | 32Poor | 26°C | 319mm | Moderate crowds | A$533 |
| April | 46Fair | 26°C | 208mm | Low crowds | A$856 |
| May | 76Great | 26°C | 109mm | Low crowds | A$590 |
| June | 77Great | 25°C | 69mm | Busy | A$620 |
| July | 73Great | 25°C | 53mm | Peak season | A$1,145 |
| August | 72Great | 24°C | 32mm | Busy | A$1,232 |
| SeptemberBest | 82Excellent | 25°C | 53mm | Low crowds | A$1,234 |
| October | 78Great | 25°C | 92mm | Moderate crowds | A$760 |
| November | 48Fair | 26°C | 225mm | Moderate crowds | A$560 |
| December | 29Poor | 26°C | 352mm | Peak season | A$587 |
Bali is one of those destinations that earns its reputation. A small island that contains multitudes: dense jungle interiors, volcanic peaks, black-sand surf beaches, and an extraordinarily rich Hindu culture that shapes daily life in a way you feel immediately. Bali's temple rituals, flower offerings, and gamelan music are woven into the island's fabric, not staged for visitors.
Seminyak, Canggu and Uluwatu in the south are where most Australians land: great surf, sunset bars on sea cliffs, and seamless holiday infrastructure. But the island rewards those who push further. Ubud in the highlands has cooler air, rice paddies you can walk at dawn, and the island's best food and art. Amed in the east offers world-class diving and almost no crowds.
May to June and September to October are the best months to fly from Sydney to Bali, when weather, crowds and fares align. The Window Score peaks at 82/100 in September.
February, with return fares from Sydney averaging around A$510, roughly 34% below the Bali yearly average.
Return fares range from about A$510 in February up to A$1,234 in peak months. Booking in a lower-priced month can save hundreds.
Yes. Direct flights are available on this route in at least some months. Connections may be cheaper in others.
See the full interactive breakdown on the Bali dashboard or browse all destinations. Peak month: September (82/100).