Due to multiple factors, expect to potentially pay more when booking in January. For low rates, May can be a great choice for travel to Charlotte/Douglas International. Flights to Charlotte/Douglas International from Cat Bi International Airport in May are about 25,163,286₫ on average during May, but can be found for as low as 18,257,262₫.
This flight path from Haiphong Catbi to Charlotte Douglas was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.