$409 Cheap Flights to South Island

To snag cheap flights to South Island, book well in advance or travel during the off-peak months of June and August. Want another helpful tip? Depart on a Thursday and save around 16% on average compared to traveling on a Sunday.* Set up price tracking on the Expedia app and we'll notify you as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

For the biggest savings on domestic journeys, book your flight to South Island 28 days ahead of your travel dates. For international flights, book between two and four months in advance. This gives you a better chance of getting your preferred departure dates, times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the priciest day to book.* When it comes to snapping up a cheap flight to South Island, timing makes a difference.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.