 Air New Zealand - this airline is known for providing passenger masks and cleaning with disinfectant. Jetstar - this airline is known for providing passenger masks and cleaning with disinfectant. Qantas - this airline is known for providing passenger masks and cleaning with disinfectant. Air New Zealand - this airline is known for providing passenger masks and cleaning with disinfectant. Jetstar - this airline is known for providing passenger masks and cleaning with disinfectant. Qantas - this airline is known for providing passenger masks and cleaning with disinfectant. What is the cheapest month to book a flight to Bay of Islands?What is the cheapest month to book a flight to Bay of Islands?