Subway Restaurant: Buy One Footlong Sub, Get One Footlong Sub
Update: This very popular deal is still available for a limited time.
Subway.com [Store Locator] is offering Buy One Footlong Sub, Get One Footlong Sub Free (discount shown in cart) when you add a Quantity of 2 subs to your cart for ordering online or via the Subway Mobile App (iOS or Android). Thanks tunabreath
Note: Discount applies to sub of equal or lesser value. Individual store participation may vary. Not valid for delivery.