According to Kerry Wong, general manager of Zuji Hong Kong, the partnerships will result in special incentives and deals for users of the two websites, although further details remained undisclosed.
Atnext.com is the online media portal of Next Media, which owns Hong Kong's market leading Apple Daily newspaper. Scmp.com, meanwhile, is the online version of the South China Morning Post.
"The majority of our readers are highly educated and we believe they travel a lot for business and leisure," said Peter Hui, chief operating officer of Next Media.
"Zuji is the leading travel brand so this is a natural marriage."