In general, when booking your flight to Nadi, May is the cheapest month on average.
On average, from most locations, when planning your trip to Nadi, try to book your flight in the region of 47 days in advance for the cheapest prices.
From most locations, the cheapest flights to Nadi are found on a Tuesday. Booking a Thursday departure is usually the most expensive.
On average you can find the best deals on plane tickets to Nadi when looking for flights with afternoon departure times.