Flat Birthday Invitations

Celebrate life's special moments with flat birthday invitations that set the perfect tone for your upcoming event. Whether you're planning a whimsical children's party or an elegant milestone celebration, these personalized invitations offer a stylish and convenient way to share all the details with your guests. Designed to reflect your unique personality and theme, flat birthday invitations provide a canvas for creativity, ensuring each invite is as memorable as the occasion itself. With countless customization options, from vibrant colors to elegant fonts, you can effortlessly craft an invitation that captures the spirit of your celebration and leaves a lasting impression.

Vintage Scalloped Frame Birthday Invitation, Grey, 100% Recycled Cardstock , Square, Charcoal

Starting at $3.88 $2.71

A stylish grey birthday invitation on 100% recycled cardstock with a ticket trim design.

Pros: Beautiful design, Unique and elegant, High quality paper, Easy to customize, Quick service

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Striped Party Birthday Invitation, Black, Signature Smooth Cardstock, Square, Black

Starting at $3.78 $2.49

A stylish black birthday invitation on pearl shimmer cardstock with square trim and photo customization.

Pros: High quality, Clear pictures, Easy to use, Great design, Fun and stylish

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Blushing Birthday Birthday Invitation, Pink, 5x7 Flat, 100% Recycled Cardstock , Rounded, Dusk Pink

Starting at $4.16 $2.98

A stylish pink 5x7 flat birthday invitation on standard smooth cardstock, perfect for adding photos and event details.

Pros: Beautiful design, High quality, Quick turnaround time, Accurate printing, Easy customization

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Bokeh Confetti Birthday Invitation, Gold Foil, Black, 5x7, Matte, Personalized Foil Cardstock, Square, Black

Starting at $4.73 $2.84

A premium black and gold foil birthday invitation with a raised texture and personalized foil cardstock.

Pros: Beautiful design, High quality, Easy to personalize, Quick delivery, Professional appearance

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Perfectly Aged Birthday Invitation, Black, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, Black

Starting at $3.71 $2.53

A stylish black birthday invitation with rounded edges, perfect for adding your favorite photos and event details.

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Rustically Floral Birthday Invitation, White, 5x7 Flat, Matte, Signature Smooth Cardstock, Square, White

Starting at $3.43 $2.26

A rustic floral birthday invitation on luxe double-thick cardstock, featuring white square trim and customizable photos...

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Bright Birthday Birthday Invitation, Pink, 5x7 Flat, Matte, Signature Smooth Cardstock, Square, Priscilla

Starting at $3.43 $2.26

A stylish pink 5x7 flat birthday invitation on pearl shimmer cardstock with ticket trim.

Pros: cute, met expectations, nice colors

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Headline Highlight Birthday Invitation, White, 5x7 Flat, 100% Recycled Cardstock , Rounded, White

Starting at $4.16 $2.98

A stylish 5x7 flat birthday invitation on 100% recycled white cardstock with a square trim.

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Speckled Hello Birthday Invitation, White, 5x7 Flat, Standard Smooth Cardstock, Rounded, White

Starting at $3.01 $2.45

A stylish white birthday invitation with a scallop trim and space for personal photos and event details.

Pros: good quality, accurate representation, great price

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Surprise Party Birthday Invitation, Beige, 5x7 Flat, Standard Smooth Cardstock, Rounded, Rye

Starting at $3.01 $2.45

A stylish beige birthday invitation on 100% recycled cardstock with rounded trim, perfect for any celebration.

Pros: guest approval, customization options, perfect for event

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Adorable Rainbow Birthday Invitation, Gray, 5x7 Flat, 100% Recycled Cardstock , Rounded, Gray

Starting at $4.16 $2.98

A stylish gray birthday invitation with a rainbow design, 5x7 size, and matte finish.

Pros: cuteness, quality, cute design

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Happy Confetti Girl Birthday Invitation, Pink, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, Shrimp

Starting at $3.71 $2.53

A stylish pink birthday invitation with scallop trim, perfect for a fun-filled celebration.

Pros: cute design, beautiful, ease of use

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Pastel Happy Day Birthday Invitation, Pink, 100% Recycled Cardstock , Square, Pink

Starting at $3.88 $2.71

A stylish pink birthday invitation with pearl shimmer cardstock and ticket trim, customizable with photos and event details....

Pros: appearance, cute design, good quality

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Party Candles Girl Birthday Invitation, Pink, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, Magenta

Starting at $3.71 $2.53

A stylish pink birthday invitation with scallop trim and space for favorite photos and event details.

Pros: cute design, perfect picture sharing, clear image

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Dino Mite Birthday Invitation, Blue, 5x7 Flat, Luxe Double-Thick Cardstock, Square, Navy

Starting at $5.42 $4.05

A stylish blue 5x7 flat birthday invitation on luxe double-thick cardstock with a square trim.

Pros: fast shipping, adorable design, customizable

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Floral One Birthday Invitation, Beige, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, Latte

Starting at $4 $2.76

A stylish beige birthday invitation with room for photos and event details, printed on matte cardstock.

Pros: easy to assemble, perfect picture, nice paper

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Party Candles Boy Birthday Invitation, Pink, 5x7 Flat, Standard Smooth Cardstock, Rounded, Magenta

Starting at $3.01 $2.45

A stylish pink birthday invitation with space for photos and event details, perfect for boys.

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Elegant One Birthday Invitation, Beige, 5x7 Flat, Standard Smooth Cardstock, Rounded, Beige

Starting at $3.01 $2.45

A stylish beige birthday invitation with space for favorite photos and event details, 5x7 size.

Pros: beautiful, personalization, picture clarity

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Party People Birthday Invitation, Beige, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, Cream

Starting at $4 $2.76

A beige 5x7 birthday invitation with a scallop trim and matte finish, featuring foil/glitter-like design elements.

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Whimsical Party Time Birthday Invitation, Grey, 4x8 Flat, 100% Recycled Cardstock , Square, Charcoal

Starting at $3.77 $2.84

A stylish grey birthday invitation with rounded trim and pearl shimmer cardstock, customizable with photos and event details....

Pros: good quality, fast shipping, ease of making

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Brilliant One Birthday Invitation, Grey, 5x7 Flat, 100% Recycled Cardstock , Rounded, Charcoal

Starting at $4.16 $2.98

A stylish grey 5x7 flat birthday invitation on matte signature smooth cardstock with ticket trim.

Pros: photo quality, beautiful, meets expectations

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Floral Birthday Girl Birthday Invitation, Grey, Luxe Double-Thick Cardstock, Square, Charcoal

Starting at $5.42 $4.05

A stylish grey birthday invitation with floral design, matte finish, and ticket trim for a young girl's party.

Pros: Fast delivery, Good quality, Clear and crisp design, Beautiful color, Easy customization

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What A Year Boy Birthday Invitation, Blue, 100% Recycled Cardstock , Square, Majorca

Starting at $4.23 $2.94

A blue matte birthday invitation with rounded trim and customizable photos and event details.

Pros: quick, great format, worked perfect

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Watercolor Festivities Birthday Invitation, White, Matte, Signature Smooth Cardstock, Square, White

Starting at $3.43 $2.26

A stylish birthday invitation with white watercolor design on smooth cardstock, featuring rounded edges.

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Flat Birthday Invitations

When it comes to celebrating birthdays, the invitation sets the stage for the entire event, offering a first glimpse into the festivities to come. Flat birthday invitations stand out as a popular and affordable choice, blending both traditional and chic elements to suit every style and occasion. Whether you’re planning a whimsical garden party for your little one in the lingering warmth of August or hosting a sophisticated soirée for a milestone birthday, the right invitation captures the spirit of your celebration and gives guests a keepsake they’ll cherish. Flat invitations are especially loved for their simplicity and versatility; their single, sturdy card format makes them easy to personalize with meaningful photos, feminine designs, or bold graphics, depending on the mood you want to convey. They slip effortlessly into envelopes, making them perfect for mailing or hand-delivering, and their classic silhouette ensures they never go out of style.

Choosing the ideal flat birthday invitation involves more than just picking a pretty card. Consider the personality of the guest of honor—perhaps they appreciate the elegance of a minimalist layout, or maybe they’re drawn to vibrant colors and playful patterns. For those who value tradition, timeless motifs and refined calligraphy evoke a sense of nostalgia and grace, while those with a flair for the modern might gravitate toward chic, contemporary designs with unique textures or metallic accents. Flat invitations are also a thoughtful option for milestone birthdays, such as sweet sixteens or 50th celebrations, where the card itself becomes a meaningful memento. As August brings the last golden days of summer, invitations featuring floral prints, watercolor washes, or sun-drenched imagery feel especially fitting, helping to capture the essence of this bright, celebratory season. These invitations are not only a joy for the sender to create but also a delight for the recipient to receive, sparking excitement and anticipation for the festivities ahead.

For anyone organizing a birthday gathering—be it a parent planning a child’s party, a friend arranging a surprise bash, or an individual celebrating themselves—flat birthday invitations offer an accessible and customizable solution. Their affordable price point means you can focus on the details that matter, from choosing the perfect wording to adding personal touches like custom photos or hand-written notes. The tactile experience of holding a beautifully crafted invitation in hand, feeling its weight and admiring its design, adds a layer of connection that digital invites simply can’t match. Plus, with so many options available, it’s easy to find a style that feels both personal and special, whether you prefer something distinctly feminine, boldly modern, or classically elegant. To explore a variety of options and find the perfect fit for your next celebration, visit our curated collection of Birthday Flat Cards and discover how the right invitation can turn an ordinary birthday into an unforgettable event.