Our data shows that March tends to be the cheapest month to fly to Sulawesi from South Island. Users have commonly found prices around $1,017 for the month, but tickets can be as low as $797. Due to multiple factors, prepare for potentially higher prices in January.
When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Christchurch is typically less than Surabaya. We can gather that this will continue over the next 6 days.
Expect the weather to be around 35 °C on average in October. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Surabaya is generally hotter than in Christchurch.