What season is the cheapest for Australia and New Zealand?

Australia and New Zealand are two countries that are suitable for traveling all year round, because they are not too cold even in winter because of the influence of climate. Relatively speaking, the peak season for tourism in Australia and New Zealand is from 10 to February of the following year. During this period, it will be a little more expensive to travel to Australia and New Zealand, and it will be relatively cheap from March to September, because it will be the off-season in these two places.