The Bea World short-list has already been announced and there are five Portuguese events still in competition.
TAP and Time Out magazine held an event in New York to promote Portugal and the Portugal Stopover program.
The operation will run from June 8th to October 26th 2018.
Their increasingly strong commitment to sustainability earned the "silver" for the Glasgow Convention Bureau (CB), the first such entity to receive this award.
ibtm world will take place from 28th to 30th November in Barcelona.
The airline is back in Portugal, after connecting Lisbon to New York earlier this year.