Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Napier to Irving as you normally would.
Napier Hawkes Bay (NPE), located 4.6 km from the city centre, is the airport you fly out of when you book flights from Napier to Irving. 0 airlines have flights from Hawkes Bay to Irving on a regular basis. Booking flights from Napier Hawkes Bay to Irving should not be difficult; the airport handles an average of 0 outbound flights to Irving per day.