The list is made based on analysis of airfare trends, climate data, and peak travel times.
March is the ideal time to visit Southeast Asian countries, and Vietnam is no exception, the report said.
With average temperatures ranging from 18 to 23 degrees Celsius and colourful flowers blooming, Hanoi is a good place for visitors to spend time roaming around the old quarter, experiencing open-air eateries, and hearing the noise of whizzing motorbikes.
The news website advises wandering around the Old Quarter in the city’s downtown, an area it describes as “energetic and mazelike.” Hoan Kiem Lake provides a peaceful respite from the frenzy, as do numerous Buddhist temples and pagodas, it added.
A survey by British research firm BDRC Continental found 92 percent of interviewees saying ads on CNN have sparked interest in travelling to Hanoi city to discover is food, shopping, culture, and historic relics.
Hanoi welcomed more than 125,000 international travellers during the week-long Tet holidays in mid-February, an increase of over 30 percent from last year, according to the municipal Tourism Department.
Last year, Time ranked Hanoi at No.1 on its list of Best International Destinations in terms of value for money.
In early 2017, Britain’s Daily Telegraph listed Hanoi as one of the top 10 cities for street food.
TripAdvisor, the world's popular travel guide and review website, also named Vietnam’s capital in the top 10 destinations for 2017, as voted for by its users.