Jetradar compares prices for airline tickets to Jepun 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 Jepun with Jetradar. The population of Jepun is 127,288,000. The official currency is Japanese Yen (JPY).