(Photo courtesy of Vietjet)

Passengers can book tickets until next Saturday using the promotion code "BOOKNOW50" to get the discount, Vietjet said in a statement. The program will apply to flights between February 20and April 27 this year.

Along with the promotion, passengers can also participate in the "Protect our planet - Fly with Vietjet" program which aims to start a new journey to conquer new destinations, inspire, and call on people from around the world to join hands to protect the green future, awaken the green dream of a beautiful nature and protect the earth.