Free Theraflu at Dollar Tree February 5, 2019 by Laurie Leave a Comment February 5, 2019 This post may contain affiliate links, which means if you click on a link and purchase something, I may earn a small commission (at no additional cost to you.) See my disclosure policy HERE. Don't miss this easy coupon deal at Dollar Tree! Selection will vary by store. Coupon expires tomorrow. Theraflu – $1 Use $1/1 printable or $2/1 Theraflu – 1-6-19 RMN (exp 02/06/19) Free after coupon See more Dollar Tree Deals.