Sherpa eVisa Help by Destination South Korea How many times can I enter South Korea with my eTA? Tessa November 15, 2022 21:55 The Korean eTA allows multiple entries while it is valid. Related articles How long is my Korean eTA valid? My travel date to South Korea changed, what do I do? I need help! How do I contact Sherpa? When should I apply for a US ESTA? Why haven't I received my South Korean eTA yet?