21st Birthday Balloons

Celebrate 21 in Style with our happy 21st birthday balloons for unforgettable moments

From shiny foil numbers to classy black and gold, flirty rose gold, or bold pink, we’ve got the perfect 21st birthday balloon bouquet to match your vibe. Planning a big night for your daughter, son, or your best mate? Explore fun balloon decor ideas, themed party decorations, and eye-catching confetti balloons made to impress.

Shop our range of 21st birthday balloons and have them delivered straight to your door or event venue now!

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Showing 1 - 16 of 16 products

Happy 21st Birthday Rose Gold Balloon Bouquet

From $18.95

Happy 21st Birthday Black and Gold Balloon Bouquet

From $18.95

Happy 21st Birthday Rainbow Confetti Balloon Bouquet

From $18.95

Happy 21st Birthday Holographic Balloon Bouquet

From $18.95

Cheers to 21 Years Birthday Balloon Bouquet

From $18.95

Gold 21st Birthday Balloon Bouquet Set

$89.95

Rose Gold 21st Birthday Balloon Bouquet Set

$89.95

Silver 21st Birthday Balloon Bouquet Set

$89.95

Cream 21st Birthday Balloon Bouquet Set

$84.95

Royal Blue 21st Birthday Balloon Bouquet Set

$89.95

Hot Pink 21st Birthday Balloon Bouquet Set

$89.95

Bold Black 21st Birthday Balloon Bouquet Set

$89.95

Olive Green 21st Birthday Balloon Bouquet Set

$84.95

Pastel Pink 21st Birthday Balloon Bouquet Set

$89.95

Red 21st Birthday Balloon Bouquet Set

$89.95

Silver and Royal Blue Birthday Set Foil Balloons (two numbers)

$89.95

21st Birthday Balloons

Make This Epic Birthday Bash Legendary with Perfect Decor

This is it - the big 2-1. Time to throw a party that's as unforgettable as this incredible moment deserves. Our 21st birthday balloons are designed to bring that perfect mix of sophistication and fun to your celebration, creating an atmosphere that screams "let's party" From the iconic toast-worthy Cheers to 21 Years Birthday Balloon Bouquet to the luxurious shimmer of our Gold 21st Birthday Balloon Bouquet Set, we've got everything you need to make this birthday one for the books.

These aren't just ordinary birthday decorations; they're the centrepiece that transforms your venue from a simple space into an Instagram-worthy party paradise. Picture the excitement on their face when they walk in to see our stunning Rose Gold 21st Birthday Balloon Bouquet Set, creating that wow-factor entrance everyone will be talking about long after the party ends.

Find Your Signature Party Style

Glamorous Masterpieces

Dazzling Silver 21st Birthday Balloon Bouquet Set for sleek celebrations
Elegant Cream 21st Birthday Balloon Bouquet Set for refined gatherings
Sophisticated Bold Black 21st Birthday Balloon Bouquet Set for dramatic flair
Trendy rose gold tones for Instagram-perfect moments

Bright & Beautiful Statement Makers

Show-stopping Hot Pink 21st Birthday Balloon Bouquet Set
Royal Royal Blue 21st Birthday Balloon Bouquet Set
Passionate Red 21st Birthday Balloon Bouquet Set
Sweet Pastel Pink 21st Birthday Balloon Bouquet Set

Why Choose Balloon Town For This Special Day

Built To Last Through The Celebration

Premium balloons stay picture-perfect all night
Vibrant, rich colours that photograph beautifully
Impressive sizing makes a bold visual statement
Weather-resistant materials for versatile venue options

Effortless Party Magic Delivered

Swift Sydney delivery brings celebrations right to you
Complete coordinated sets take the guesswork out
Mix-and-match capabilities for personalised themes
Simple setup means more time for party prep

FAQ

01 How should I store balloons before the party?

Keep balloons in a cool, dry place away from direct sunlight and remove them from the transportation bag(s).

02 Can I order multiple sets in different colours?

Absolutely! Mixing colours creates dynamic, personalised displays. Try pairing gold with black, or rose gold with cream for stunning combinations that reflect your unique party vision.

03 Do you deliver to party venues across Sydney?

Yes! We deliver throughout Sydney to homes, venues, and event spaces. Just provide the delivery address at checkout, and we'll ensure your balloons arrive on time and ready to celebrate!