Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Rotorua as you normally would.
Located just 4.4 mi from the city center, Rotorua is the airport most travelers will use when flying to Rotorua from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Rotorua (ROT) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.