"The Director-General of Health considers the risk of transmission of COVID-19 from Australia to New Zealand is low and that quarantine free travel is safe to commence", Ms Ardern said.
Since October, New Zealand travellers have been allowed to enter most Australian states without quarantine, but this had not been reciprocated.
The dates are also strikingly similar to Australian states with most - apart from Tasmania - beginning on April 19.
The airline hinted potential suspensions to the arrangement, already common to the existing one-way bubble, would add too much "complexity".
New Zealand and Australia are among the top performers in the global battle against the virus - New Zealand has consistently topped Bloomberg's Covid resilience ranking and Australia now lies third.
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According to the BBC , the move to detain Hamza came after he met with tribal leaders and reportedly garnered their support. King Abdullah removed Prince Hamza from his position as heir to the throne in 2004, in a move that consolidated his power.
Both Australia and New Zealand have managed the Covid-19 crisis more successfully than most other developed nations after closing their global borders to non-citizens and permanent residents very early during the pandemic.
'Those undertaking travel on either side of the ditch will do so under the guidance of flyer beware, ' she said.
Passengers arriving at the worldwide airport in Auckland. Returning New Zealand residents would be required to undergo 14 days in hotel quarantine, at their own expense.
"An arrival, passengers will be taken through what we call "the green zones" at the airport meaning there'll be no contact with those arriving from other parts of the world and going into managed isolation or quarantine facilities", Ms Ardern said.
Ms Ardern has previously said COVID-19 vaccinations would not be made a requirement to fly.
New Zealand Prime Minister Jacinda Ardern will announce when the two-way travel bubble will begin. It will restore unrestricted, two-way travel between the two neighbors for the first time since the coronavirus pandemic forced them to close their global borders more than a year ago.