Monday is generally a great day to depart. Flying on this day could help you save up to 54%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fayetteville to Hanoi as you normally would.
This is defined as Fayetteville Northwest Arkansas Airport (XNA) and Hanoi Noibai Airport (HAN). Codes like Hanoi Noibai Airport are often used to just call airports uniquely.