In general, when booking your flight to Queenstown, May is the cheapest month on average.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Queenstown.
In general, booking your departure to Queenstown for a Monday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Queenstown when looking for flights with midday departure times.