Subway Footlong Free Coupon 2024. The biggest sale customers can expect annually is on november 3rd, national sandwich day, featuring deals like buy one get one free on subs. Get a free bag of chips when you make any footlong purchase and use this subway promo code at checkout.
Buy one footlong sub and a drink and get another footlong free with a subway promo code valid for online or app orders! Best yet, the coupon for buy one get one gives customers a free footlong sandwich.