The figure was 61.3% lower than in May and 99.3% against June last year.
Most foreigners that did arrive were experts or skilled workers at projects around the country.
In the first half the number of foreign visitors plunged 55.8% to 3.74 million, with 72.9% coming from Asia.
Sharp declines have been seen in visitors from Vietnam’s major markets, such as China, the Republic of Korea, Japan, Taiwan (China), Russia, the UK, and France, while those from Cambodia doubled compared to the same period last year.
The country earned VND10.3 trillion (US$445.26 million) in revenue from tourism during the period, down 53.2% year-on-year, with the hardest-hit localities being the south-central province of Khanh Hoa, which saw tourism revenue nosedive by 73.5%, HCM City, by 71.2%, southern Ba Ria-Vung Tau province, by 66.2%, and northern Quang Ninh province, by 60.8%.
A tourism promotion campaign called “Vietnamese People Travel in Vietnam” was launched in April to encourage local travellers to take domestic tours, while travel agencies are making preparations to welcome foreign tourists once the entry ban is lifted.