Here are the Ulta Promos in October 2020. There is NO guarantee that Ulta will do the same in October 2021.

10/1 – Choose 1 of 2 free 5 pcs gift with $50 hair purchase
10/1 – 10/5 – Free 21 Piece Beauty Bag with $35 purchase
10/2 – National Brow Day: Free 5 pcs brow gift w/$50 purchase + Up to 50% off brow products
10/3 – 10/24 – 20% off one items, non-prestige brands 
10/4 – 10/24 – Ulta Gorgeous Hair Event
10/5 – Free Beauty Break 6 Piece IGK Gift with $50 purchase (beauty break)
10/5 – 10/17 – 20% off any one hair tools including Dyson, code is unique
10/6 – 10/19 – Choose 1 of 3 free 20 pcs beauty bag with $80 purchase
10/7 – Free 5 Pieces IT Cosmetics Gift with $50 purchase (Beauty Break)
10/7 – 10/17 – $15 off $75 purchase coupon at Ulta.com home page, including prestige brands. The code is unique.
10/9 – 10/17 – $10 off $40 purchase thru buy online and pick up instore/curbside pickup, including prestige brands and fragrances
10/12 – Free Beauty Break 5 Piece Alterna Gift with $50 purchase (beauty break)
10/13 – Free 5 Piece Acids and Peels Gift with $50 purchase
10/14 – Free 3 pcs Hemp Gift w/$60 purchase + Shampoo and Conditioner minis w/$75 purchase (beauty break)
10/16 – Free 38 pcs beauty bag w/$175 purchase(Diamond Exclusive) + Free 6 pcs gift w/$30 skincare purchase
10/19 – Free Beauty Break 4 Piece Juice Beauty Gift with $50 purchase (beauty break)
10/21 – Free 5 pcs Benefit gift w/$50 purchase + Free Laughter is the Best Cosmetic Tote Bag w/$75 purchase (beauty break)
10/22 – Free 2 Piece Burberry Gift with $40 purchase
10/23 – Free Beauty Break 5 Piece First Aid Beauty Gift with $50 purchase (beauty break)
10/24 – Free 19 Piece Gorgeous Hair Event Sampler Bag with $50 Hair purchase
10/25 – Members earn 5X points, Diamond and Platinum members earn 10X points on all palettes
10/26 – Free Beauty Break 5 Piece Gift with $50 purchase (beauty break)
10/28 – Free 8 Piece Gift with $50 purchase (beauty break)