There's up to 40% off, depending which product you choose.
The three most popular test kits have the most attractive deals:
Y-DNA (Paternal ancestry - men only): Reduced from US$169 to US$99 plus shipping
Family Finder (Familyl ancestry - autosomal (atDNA) - men and women): Reduced from US$79 to US$49 plus shipping
Mt-DNA (Female ancestry - mitochondrial - men and women): Reduced from US$199 to US$139 plus shipping
In addition, some of the company's range of more advanced testing have strong discounts available. You can find details on the products page.
The Holiday Sale ends on Monday 31 December.