Buy One, Get One Free Burger or Chicken Sandwich at Shake Shack

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close up photo of hamburger on bun with tomato and lettuce

Save at your favorite restaurants!

We’re sharing all the best Shake Shack coupons and promotions for you! Use them to score lunch or dinner on the cheap, but read on for a little something fun for your pooch!

Through January 3rd, Shake Shack is offering Buy One, Get One Free Burger or Chicken Sandwich (up to $7.89 off) when you use coupon code THANKYOU at checkout in the app or when ordering online.

Note that this promo code cannot be stacked with the $5 off promotion mentioned above, so be sure to use the coupon code that offers the biggest savings for your order.

woman holding ray of hamburgers

Here’s how to get this tasty deal…

  • Head here and enter your zip code
  • Select the Shake Shack location near you
  • Buy 2 Burgers or Chicken Sandwiches from $5.39 each
  • Total = as low as $10.78
  • Use coupon code THANKYOU (buy one, get one free)
  • Final cost as low as $5.39 total – just $2.69 each!

dog ice cream and biscuits on table by paper sack

There’s a special menu for the “Ultimutt” dog lover! 🐶

Did you know Shake Shack has a menu just for your pup? The dog menu is available at most Shake Shack locations, except stadiums, ballparks, airports, and international outposts. Choose from these two menu items for your furry friend:

  • Pooch-ini – ShackBurger dog biscuits and vanilla custard. Includes dairy, egg, and sugar. Heads up, they’re not intended for small dogs, so just let ’em have a lick or two!
  • Bag O’ Bones – 5 ShackBurger dog biscuits made just for us by NYC’s Bocce’s Bakery.

shake shack chicken sandwiches and fries

2020 is almost over and the hot chick’n is flying off the menu!

What the cluck are you waiting for? If you like to order off the Shake Shack Hot Spicy Menu or want to give it a try, you only have a few more days to do so! The Hot Menu is leaving as soon as the new year hits!


Celebrating a birthday soon? Score these freebies!

Join The Discussion

Comments 8

  1. Bhump

    Oh wow! I went the other day and wasn’t aware of this one, so thank you! There’s another code for BOGO burgers that was sent via email Use code : THANKYOU on the app and online for a max savings of $7.89. Must add two qualifying burgers or chicken sandwiches Valid on shackburger, smokestack, hamburger, cheeseburger, hot chick’n, chick’n n shack, and ‘Shroomburger. Not valid on doubles shake stacks or regional burgers Must be signed into an account for the deal to work and only one time use per account. Exp 1/3/21

    • Amber (Hip Sidekick)

      Thanks so much for sharing with us, Bhump! GREAT deal!

  2. MommySpendsLess

    This worked out great! We were at our local mall around lunch time this afternoon, which has an attached Shake Shack. I downloaded the app and we ordered sandwiches and fries using the BOGO code, which saved almost $8. While we ate, we saw the advertisement for their holiday shakes so I pulled out my phone and ordered two milkshakes using the $5 off coupon. (If I’d really been thinking I would have had my daughter order one shake from her phone and each one would’ve been $0.89). We don’t often go to Shake Shack because they seem overpriced for a fast-casual burger place but several of the other restaurants had shut down, including two of our favorites so this was great timing.

    • Irene (Hip Sidekick)

      Smart dining out strategies, MommySpendsLess! Thanks for sharing and we hope you enjoyed your meals!

  3. Amber (Hip Sidekick)

    Bummer! Thanks, Karen! It seems that SHACK2020 has expired, but THANKYOU is still valid. We’ll be sure to get this updated!

  4. Amber (Hip Sidekick)

    Hi Mark! That offer is expired now. We will update the details above!

    • Mark

      Hey Amber – just in the checking – we tried to use it on 12/29/20

  5. Amber (Hip Sidekick)

    Thanks so much for commenting! We’ll be sure to get the post updated.

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