The easiest and cheapest way to get to Korean Folk Village is taking a subway going to Suwon station. From Suwon station, walk outside and find the Tourist information center. From the tourist information center, they will guide you to the free bus going to Korean Folk Village.
As soon as you get to Korean Folk Village, just pay the entrance fee and enjoy inside. Korean Folk Village is known as the “Filming Location of Several Famous Korean Dramas”, you get a chance to watch live shows, just make sure to check the schedule. It also have museums, amusement park, traditional style restaurants, and more!
To go back to Seoul, go to the bus station just outside Korean Folk Village. Take the bus that will stop at Suwon Station. Last stop is Suwon station, from Suwon station, just take subway line back home.