How tall is a hot air balloon? Customer Service 23 August 2015 12:28 Updated Follow Depending on a few factors balloons can be up to 42 m tall. some special shapes are especially tall but in general an average height would be 25m to 30m Related articles How is a Hot Air Balloon steered? What are Hot Air Balloons made of? What about Vertigo - I hate heights? Will my girlfriend be in one basket and me in another Hot Air Balloon basket? Is it cheaper for a group? Comments 0 comments Please sign in to leave a comment.