Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Nadi as you normally would.
On average you can expect to pay 10,500,000 ₫ for a flight from Hanoi to Nadi. The cheapest flight overall is 10,500,000 ₫ while the most popular route, (Hanoi Noibai - Nadi) is currently priced at 29,537,954 ₫.