Burger King is kicking off the seafood and Lenten season by offering Royal Perks members a BOGO $2 Big Fish Sandwich deal via the app and online from March 5 through April 20, 2025.
More specifically, as part of the offer, you can get a Big Fish Sandwich for just $2 when you purchase one at regular price during the promotion period.
To redeem the deal, open the BK app or visit bk.com, add two Big Fish Sandwiches to your cart, and apply the coupon at checkout to receive the discounted price.
Burger King’s Big Fish Sandwich features crispy panko-breaded Alaskan Pollock, topped with lettuce, pickles, and sweet tartar sauce on a toasted potato bun.
The Buy One Big Fish, Get 1 for $2 deal is available at participating Burger King locations nationwide for a limited time, from now through Sunday, April 20, 2025. The offer is not valid in Alaska, Hawaii, or U.S. territories.
