Cassidy Travel Established in 1985, Irish-owned Cassidy Travel is the country’s largest travel agent, with 10 Travelshops across Dublin and a comprehensive online presence at cassidytravel.ie. Across our sun holiday, city break, cruise, sports and long-haul divisions, we cater for close on 100,000 Irish holidaymakers each year. Drop in to Donna and her team in our new Travelshop in the Stephen’s Green Shopping Centre and discover the expert advice and customer care that is at the heart of our success!