Budget airline Vietjet Air has launched daily flights to Busan, South Korea’s second largest city, from HCMC, Hanoi, Nha Trang, and Da Nang as tourism revival continues.
Source: VNExpress International,
https://e.vnexpress.net/news/travel/vietjet-starts-services-to-busan-from-4-vietnamese-cities-4492559.html