Jetradar compares prices for airline tickets to Cayman Islands with 728 airlines from all over the world. We do not sell airline tickets ourselves, but you can use our service to find the lowest prices and special offers with no additional fees or mark-ups. Find the cheapest flights to Cayman Islands with Jetradar. The population of Cayman Islands is 44,000. The official currency is Cayman Islands Dollar (KYD).