In 2023, Air Transat est consacrée meilleure compagnie aérienne loisirs en Amérique du Nord dans le cadre des Skytrax World Airline Awards.
In 2021, Air Transat signed first North American offtake agreement for synthetic sustainable aviation fuel (e-SAF).
In 2016 and 2017, Air Transat’s head office was named one of the greenest in North America by Corporate Responsibility Magazine.
In 2015, Air Transat won two awards—for Large Business of the Year and for Sustainable Development—at the Mercuriades gala.
In 2014, Air Transat was the first airline in North America to complete the first stage of the IATA Environmental Assessment.
In 2011, Air Transat's headquarters became the first building in Canada to achieve LEED-EB© Platinum certification in Canada.
Since 2011, atmosfair has ranked Air Transat No. 1 in Canada and among the world’s top 30 airlines for fuel efficiency and reduction in greenhouse gas emissions.
In 2004, Air Transat implemented a fuel management program, which has since become one of the most innovative and rigorous in the industry.