In late 2018, Yeun played Ben in the South Korean mystery drama film "Burning", directed by Lee Chang-dong. The film was first unveiled at the 2018 Cannes Film Festival. His performance in the film was acclaimed. Yeun won Best Supporting Actor at the 2018 Los Angeles Film Critics Association Awards, Toronto Film Critics Association Awards 2018, Florida Film Critics Circle Awards 2018, and 2018 National Society of Film Critics Awards.