The promotion, launched to mark the International Fireworks Competition 2011 in Da Nang on April 29 and 30, offers a 10 per cent discount to individual tourists.
The tours, which will take off from Da Nang Airport , will provide tourists with a bird's eye view of the city's attractions, including its coastline.
The first tour, which costs VND4.99 million ($240) per person, will land on Son Tra Mountain for tourist to explore attractions in the area by car.
The second tour, which costs VND5.99 million ($285) per person will take tourists to Cham Island off Hoi An City in Quang Nam Province . It offers tourists the opportunity to go diving among coral reefs in Quang Nam waters.