Traveling to South Korea and looking to stay connected without breaking the bank? Ditch expensive roaming charges and secure reliable data for Seoul's bustling streets or Jeju's scenic wonders with a prepaid Firsty eSIM. eSIM Guide makes finding the best Firsty eSIM for South Korea effortless, comparing all 61 available plans, starting from just $1.80, instantly. While Firsty offers great options, we encourage you to also explore other providers on our site to ensure you find the perfect South Korea eSIM deal, then view all Firsty plans below to unlock seamless connectivity on your trip.