The vocalist was found dead at his home in Essex on March 4.
Lynsey Chaffe from the coroner's office said, "Police attended, all protocols were followed and his death was confirmed as not suspicious".
The hearing, which took place on Monday morning, established The Prodigy frontman's provisional cause of death on March 4 was hanging, following a postmortem which was carried out at Broomfield hospital last Thursday.
Officials are still waiting on toxicology reports.
The inquest was adjourned by Senior Coroner, Caroline Beasley-Murray until a full hearing on July 23.
An Instagram post from the group seemed to confirm Flint's death was a suicide.
Keith Flint running the Chelmsford Parkrun at Central Park Credit Neil Churchill Chamsford Parkrun PA
The singer rose to fame in the Brit Award-winning electronic band in the 1990s and was known for hits including Firestarter and Breathe.
A spokesperson said the man was pronounced dead at the scene.
Since the news of Keith's death rocked the music world, with tributes pouring in from stars and fans, Liam has thanked people for their support.
The BBC reports that United Kingdom coroners opened an inquest into Flint's death.
He was described in a statement by Howlett and fellow bandmate Maxim as "a true pioneer, innovator and legend".
Keith Flint performing in 2015. "He will be forever missed", the post read before thanking followers in advance for "respecting the privacy of all concerned at this time".