When flying from Noi-Bai to Detroit City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 142% versus a flight in the morning.
With an average temperature of 34 °C, peak weather can be found in June. As a traveler, expect to see changes in flight prices during that period. The temperatures in Detroit are colder than in Hanoi.