Whether you're going DIY or want placement guidance, here's where to start. Looking for other balloon ideas? See our full balloon ideas page.
DIY Approach
What actually makes it easier
- A balloon arch strip kit (a plastic strip with pre-cut holes) is significantly easier than trying to build a frame from scratch.
- Mixing balloon sizes (small, medium, large) creates a fuller, more professional-looking arch than uniform sizes.
- Balloons hold their shape better in cooler temperatures — avoid setting up an arch in direct sun hours before the event.
Placement Ideas
Where an arch has the most impact
- Framing the entryway makes a strong first impression as guests arrive.
- Behind the cake table doubles the arch as both decoration and a natural photo spot.
- A smaller half-arch works well over a dessert table or gift table without needing a full structure.
Frequently Asked Questions
How many balloons does a balloon arch need?
It depends on size, but a typical 6-8 foot arch generally needs 100-150 balloons of mixed sizes for a full, professional look.
How long does a balloon arch last?
Air-filled balloon arches can last several days, while helium-filled versions typically start deflating within 12-24 hours.
Is a balloon arch difficult to make without professional experience?
A strip kit makes it manageable for most people — it's more time-consuming than difficult, and doesn't require special tools beyond a hand pump.