When it comes to finding the perfect wedding attire, light blue dresses are always a top choice for wedding guests and bridesmaids alike. No matter which role you're in, we're here to help you stick to your budget and your color scheme. To do that, we've tried to find the best affordable light blue dresses for weddings under $100.
Commissionable affiliate links are used in our hand-picked product suggestions for these light blue dresses.

Image credits and shopping sources: 1. Wish From an Angel Satin Maxi Dress from Fortunate One 2. Mila Maxi Dress from Petal & Pup 3. Blue Floral Tiered Maxi Dress from Lulus 4. Strapless Maxi Dress Fortunate One
Here are a few of our favorite light blue dresses under $100, which we try to keep updated frequently with new arrivals, along with details on where to shop them.
Affordable Light Blue Dresses Under $100 for Wedding Guests
Whether you're attending a beachside ceremony, an elegant evening wedding, or a casual outdoor wedding reception, we've found over 50 light blue dresses under $100 to get you to your next wedding in style and within budget.
Pale Blue Dress for Casual Daytime Weddings
Daytime weddings or afternoon semi-formal weddings are the perfect time for short dresses, light blue cocktail dresses, and pastel blue midi dresses. Light blue floral dresses offer timeless style and an easy-to-wear hue for a summer daytime wedding. A blue floral midi dress is a particularly lovely choice and trending this wedding season. In general, these shorter dress styles are perfect for meeting the dress code for casual outdoor weddings or daytime affairs.
Budget-Friendly Light Blue Dresses for Semi-Formal Weddings
Blue maxi dresses are among the most versatile styles of blue dresses, making them a timeless choice for wedding guests and bridesmaids. Choosing a long blue dress provides a sophisticated silhouette that can be worn at daytime events as well as a length that makes it suitable for evening formal events. With their flowing skirts and flattering cuts, light blue maxi dresses add a touch of breezy formality suitable for a fun special occasion like a wedding.
Affordable Light Blue Formal Dresses
Formal events, such as evening weddings, usually call for long dresses, and light blue options are perfect for spring and summer black-tie wedding dress codes. In fall and winter, light blue long-sleeve dresses can be a practical and beautiful choice. If you want to find more affordable sky-blue styles for wedding guests, we think Lulus, ASOS, and Quince have the best selection of wedding-guest dresses under $100.
Light Blue Bridesmaid Dresses under $100
We'll forever think blue dresses are the perfect choice for bridesmaid dresses. If blue is your wedding color, we think your bridesmaids will appreciate this collection of blue dresses under $100. There's usually a shade of blue that will complement every skin tone, and keeping the dresses for your bridesmaids under $100 makes it much more budget-friendly.
If you and your bridesmaids are trying to stick to a budget, have your wedding party choose any one of these pale blue dresses from this collection for a mismatched look. Allowing your bridesmaids to pick their own dress will ensure everyone in the wedding feels their best on the big day and feels comfortable with the budget as well.
There is a huge variety of styles for light bridesmaid dresses under $100, blue and white styles with floral accents, classic strapless designs, fitted mermaid styles with spaghetti straps, to on-trend off-the-shoulder dresses and gowns. To see more dusty blue, sky blue, ice blue, and other bridesmaid dresses in this palette, Birdy Grey, Quince, and Lulus all have wonderful selections of pale blue bridesmaid dresses under $100.
More Affordable Dresses for Wedding Guests, Brides and Bridesmaids

Image credits and shopping sources: 1. Petal & Pup - $99 2. Lulus - $79 3. Lulus - $89 4. Hello Molly - $89
From casual dresses to formal gowns, we think light blue dresses under $100 offer a variety of colors, styles, and silhouettes to suit every special occasion and budget. If you'd like more budget-conscious wedding attire finds, see more of our affordable under $100 picks for wedding guests, bridesmaids, and brides in the following posts:
No wardrobe is complete without a little black dress, so we created a shopping guide to the best black dresses under $100.
If you'd like a darker shade of blue, navy blue dresses are a great choice, read this post to find a navy blue dress under $100.
White dresses under $100 are a classic choice that is perfect for brides-to-be to find affordable white dresses to wear to all the showers and events in their honor.
See more wedding guest dresses under $100 in a range of colors and styles.
More Blue Wedding Attire Inspiration
If you're looking for more blue styles for weddings, check out these light blue bridesmaid dresses, light blue mother-of-the-bride dresses, and 100 ways to incorporate something blue into your wedding day.
Discover more from Dress for the Wedding
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