How Long Will My Helium Balloons Float?
Wondering how long your helium balloons will float?
Float time depends on the type of balloon you’re using, its size, and where it’s displayed. This guide outlines estimated float durations for both latex and foil balloons, so you can plan your event setup with more confidence and avoid deflated décor mid-celebration.
Float Time Estimates Help When Planning:
• Event timelines for parties, weddings, and showers
• When to inflate balloons before guests arrive
• Outdoor vs indoor balloon longevity
• Choosing between latex or foil balloons based on how long you need them to stay afloat
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How Long Will My Helium Balloons Float?
Float time depends on the type and size of your balloon, as well as indoor or outdoor conditions. This chart gives you a general idea of how long different balloons will stay afloat so you can plan accordingly and avoid deflation mid-event.
To extend float time for latex balloons, consider using a balloon sealant like Hi-Float.
| Balloon Type | Approx. Float Time (Unsealed) | With Sealant or Hi-Float |
|---|---|---|
| 9" Latex Balloon | 6–8 hours | Up to 2 days |
| 11" Latex Balloon | 12–18 hours | 2–3 days |
| 18" Foil (Mylar) Balloon | 3–5 days | Up to 7+ days |
| Large Jumbo Latex (24"+) | 24–48 hours | 3–5 days |
| Bubble Balloons | 7–10 days | Often no sealant needed |
Disclosure: Affiliate links included. Creative Balloons Mfg. Inc. partners with several affiliate programs, meaning that we may earn a commission from purchases/clicks by those who visit this site at no additional cost to you.
Creative Balloons Manufacturing is a wholesale supplier of balloons and balloon accessories. We do not sell or refill helium tanks or offer inflation services. This page is intended for general information and planning purposes only.
Searching for the best helium tanks for party balloons?
Whether you’re hosting a birthday, graduation, school event, or company party, choosing the right helium tank can save time, reduce waste, and help ensure your balloon decorations go off without a hitch. This guide compares the most common helium tank sizes used for inflating latex and foil balloons. You’ll find estimated fill counts to help determine how many balloons each tank type can inflate—so you can plan your setup with confidence.
From small disposable helium tanks perfect for home gatherings to larger rental tanks ideal for balloon arches, bouquets, or ceiling displays, we break down what each size typically supports. While actual fill rates may vary based on balloon size, tank pressure, and inflation method, the reference chart below helps you make smarter decisions when preparing for your event.
Need to know how much helium you’ll need before you decorate?
Try our Helium Balloon Calculator for fast estimates.
Want to understand rental tank pricing like a Pro?
Use our Helium Tank Cost Estimator to get started.