The best month to fly between Sydney and Singapore is October and the most expensive month to fly is November. (Average prices, based on 345 datapoints.)
The best day to arrive at Sydney is Wednesday and it would be best to avoid Monday, as prices are on average 169.34% higher than on Wednesday. (Average prices, based on 792194 datapoints.)
The cheapest airline flying from Sydney to Singapore is Qantas. They are 13% cheaper than Singapore Airlines. (Average prices, based on 352 datapoints.)
The best time to fly is at around 20. (Average prices, based on 503 datapoints.)
