$369 Cheap flights to South Island

Of the 5 airlines that fly to South Island, Air New Zealand, Jetstar and Virgin Australia happen to be the most favoured based on our user data. Air New Zealand is the most popular among the three airlines, with 31% of users choosing them for their travels to South Island.

The best day of the week to fly to South Island is Wednesday due to prices being at their lowest. Flying out on a Tuesday should be a backup plan since this day tends to be less expensive as well. Saturday, on the other hand, is the most expensive day to fly to South Island.

Prices for flights to South Island are refreshed on a daily basis.

As of December 2025, there are 6 operators available to choose from for flights to South Island.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to South Island.

The travel and health documents required for your trip to South Island can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at South Island. We always recommend checking with your airline or a trusted third party such as IATA to get advice.