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How long does a helium balloon last?

Best Answers

Foil and plastic 'bubble' balloons are long-lasting when filled with helium and stay afloat for days (sometimes weeks), so can be filled a day or so prior to an event. read more

Generally, the larger a helium balloon is, the longer it lasts. A 90-centimeter latex balloon lasts about 12 to 36 hours longer than a 30-centimeter latex balloon does. A sealant called Hi-Float adds a week or two to the lifespan of latex balloons. read more

Size plays a major role in the inflation time of a balloon. A 16-inch helium-filled latex balloon can remain filled for up to 30 hours, while a 9-inch balloon can stay afloat for approximately 8 hours. The quality of the latex balloons also plays a role. read more

Latex balloons have a limited life of about 18-24 hours for 11-12" pearlshine (metallic) balloons, so inflation should be done as close to the event time as possible. read more