Stone was crowned winner of the Tomorrow’s Travel Marketing Leader Award, sponsored by TTG Media.
Advertising and campaigns for Kuoni, Virgin Atlantic, G Adventures and Princess Cruises also took home gongs during the ceremony, run by the Chartered Institute of Marketing’s Travel Industry Group (CIM Travel Group) and held at the London Hilton on Park Lane.
Lotus won Best Representation Agency, while Brighter Group was named Best PR Agency.
CIM Travel Group chairman Keith Cartwright said: "Given the unprecedented and relentless change our profession has experienced in the last few years, our judges said that this year’s awards entries were of the highest quality they have ever seen.
"This is a healthy indication of the fantastic work taking place right across our industry and a remarkable achievement."
Daniel Pearce, TTG Media managing director, added: “TTG Media was delighted to partner with the Travel Marketing Awards for a third year, celebrating the innovative and unique marketing and PR in the travel industry that we often see ourselves.
"Congratulations to Emma who received the Tomorrow’s Marketing Leader Award, in partnership with TTG Media and building on the success of the TTG 30 Under 30.”