Aviasales.com compares prices for airline tickets to Heard Island and McDonald 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 Heard Island and McDonald Islands with Aviasales.com. The population of Heard Island and McDonald Islands is 0. The official currency is Australian dollars (AUD).