When flying from Hanoi to Columbus, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Hanoi Noibai (HAN) is the airport you will fly out of if you book a flight from Hanoi to Columbus. You should not have trouble finding flights to Columbus from Noibai; the airport handles an average of 0 outbound flights to Columbus per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Hanoi airport to Columbus. It is only a 22.8 km journey to Noibai (HAN) from Hanoi’s city center.