Firehouse Subs celebrates Labor Day Weekend with a FREE Medium Sub! All you have to do is purchase an additional large or medium sub, chips, and a drink. Just present this coupon to your cashier and get the deal. Firehouse Subs are great anytime, but especially on holidays. Here’s your chance to treat a friend for free or just grab an extra sub for yourself. Mark your calendars ’cause this promotion is only available for 3 days!
Offer valid September 1-2-3, 2018 at participating locations. Not valid in conjunction with $4.99 Choice Subs or with any other coupon or special promotional offer. Most Firehouse Subs restaurants will be open holiday hours on Labor Day (Monday, September 3.)