The opening aims to meet increasing travel demand of passengers.
This is the third air route of Vietnam Airlines to Busan. Previously, VNA opened direct flights linking between Hanoi, Ho Chi Minh City to Busan.
The carrier will exploit the 4-hour flights by Airbus A321 with 4-star international service quality every Tuesday and Saturday.
On the occasion, Vietnam Airlines has been offering the return ticket sales at price of VND 2,309,000 (US$ 99) (excluding taxes and fees) for routes between Hanoi, Ho Chi Minh City, Da Nang and Busan or direct flights departing from Da Nang to Busan on July 20.
Vietnam Airlines also launched a preferential price of VND 4,639,000 (nearly US$ 200) for return ticket on flights linking Da Nang and Busan from July 21 to December 31.