Cheap flights from Sydney to South Island from $265

The cheapest month to fly to South Island from Sydney is in May. Flight prices, which tend to average around $518, are often lower during this time because this is during the off-season. The month of June is another great option to travel to South Island, with average flight prices from Sydney averaging around $536.

The cheapest day to depart on your flight to South Island is on a Wednesday when prices can be found for as low as $570. This is often the case because there is less demand to fly during this day of the week. Flights from Sydney to South Island on a Thursday will generally be more expensive and average around $654. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to South Island from Sydney in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $594 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of $627.

Fly from Sydney Kingsford Smith to Christchurch for the best Sydney Kingsford Smith - South Island flight prices

You are more likely to see cheaper flights to South Island from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to South Island for around $591 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Island from Sydney for as low as $513 on momondo.

There are 4 cabin classes available to choose from on Sydney to South Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar, Virgin Australia, and Qantas Airways are the most popular carriers operating from Sydney Kingsford Smith to South Island

Jetstar, Air New Zealand and Virgin Australia are the top three most popular airlines that fly to South Island from Sydney according to our data. Jetstar is the first choice among our users, with 38% of people opting to fly with this airline when travelling to South Island. Keep in mind that there are 5 different airlines that fly to South Island on a routine basis, so you have a few additional options to choose from.

As of September 2026, 45 flights take off from Sydney and land in South Island each day. The most common flight departure time for this route is 09:00, with 54% of daily flights taking off at midday.

321 flights are operational weekly from Sydney to South Island as of September 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.