Currently, November is the cheapest month in which you can book a flight from Portsmouth to South Island (average of £1,589). Flying from Portsmouth to South Island in July is currently the most expensive (average of £2,129). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Portsmouth to South Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
In terms of precipitation, rainfall in South Island ranges from 40.0 - 60.0 inches per month. May is typically the wettest month, when rainfall can reach 60.0 mm. February is typically the driest time to visit South Island when rainfall is around 40.0 mm.
If weather is an important factor for your trip to South Island, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 6.0 C).
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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to South Island from Portsmouth today and book when prices fit your budget.