Does Spring Airlines have to have a passport number to buy an international ticket?

Passport number and validity period are required for purchasing international air tickets, and Taiwan Pass and Hong Kong and Macao Pass are required for going to Hong Kong, Macao and Taiwan.

To purchase an international air ticket, you must provide the name of the boarding person, the type of boarding certificate, the nationality of the passenger, the number of boarding certificate, the date of birth and the gender of the passenger. When purchasing a child ticket or a baby ticket, a valid certificate of the date of birth of the child or baby should be provided. Special categories of passengers (international students, immigrants, laborers, seafarers, etc.). ) explain in advance when booking a plane ticket. It is possible that some airlines will have corresponding discounts on prices, taxes and luggage, but they need to provide corresponding valid certificates.