In general, October is the cheapest month to fly from New Zealand to Porto Alegre. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,343. If you are unable to visit Porto Alegre during the month of October, then departing from New Zealand during the month July is also very affordable. Most momondo users find prices during this month for around $1,375.
The cheapest day to depart from New Zealand to Porto Alegre is on a Thursday when prices can be found for as low as $1,448. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New Zealand to Porto Alegre for around $2,066.