Fim din ya fara a ranar 13 ga Yuli 2017 a Odeon Leicester Square a London, kuma an sake shi a Burtaniya da Amurka a ranar 21 ga Yuli a cikin IMAX, 70 mm, da kuma 35 mm. Fim ne mafi girman fim na yakin duniya na biyu, yana samun dala miliyan 526 a duk duniya. Dunkirk ya sami yabo don rubutun sa, jagora, ƙididdigar kiɗa, tasirin sauti, da kuma daukar hoto; wasu masu sukar sun kira shi mafi kyawun aikin Nolan, kuma ɗayan manyan fina-finai na yaƙi. Tambaya: A wace rana aka saki fim ɗin a cikin IMAX a Amurka?
21 ga watan Yuli