How long can helium balloons last? David Goh May 06, 2015 13:04 Follow Latex Balloons: Typically, it can last 6- 10 hours depending on humidity and temperature. (Eg. The hotter the weather, the shorter the life span of the helium filled latex balloons) Foil Balloons: Helium Filled Foil balloons can last from 3-4 days. Comments 0 comments Please sign in to leave a comment.