Last Updated: January 26, 2021

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Most coupons are valid only at participating locations and not valid in AK, HI, PR or outside the USA. Share: One coupon per person per visit. Not valid with other offers or coupons. Void where prohibited. Coupons not valid at airports, trains, and stadiums.

Sonic Coupon Codes, Printable coupons, and Promo Codes

15 Coupon Codes Available

• New Coupon

  

  Sonic

  Sip $0.79 Medium Slushes Every Thursday
  Discount auto applies in app, online & at part' drive-ins
  At participating locations.
  
  

   

  Share it:

  Expires: May-14-2025

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• New Coupon

  

  Sonic

  Sonic strikes a whimsical fantasy theme with the launch of the new Unicorn Dreams Slush and Legendary Wish-Awakening Unicorn Horn Straws for $3.99
  
  The limited-time Unicorn Dreams Slush is available for early access now through the Sonic mobile app ahead of a national launch on May 5, 2025.
  
  In-Store and Online
  
  At Participating Locations. Not valid with any other offer.

   

  Share it:

  Expires: May-31-2025

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  Takeout Coupons, Deals
  
  
  Wednesday Daily Deals - Other Days
  
  
• New Coupon

  

  Sonic

  $30 Sonic Gift Card for $28.46
  
  At participating locations.
  
  

   

  Share it:

  Expires: Jun-30-2025

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• New Coupon

  

  Sonic

  Get 1/2 price Super Sonic Cheeseburgers every Tuesday after 5pm when you order via the Sonic app (Android / iOS). Discount applied automatically when logged in.
  
  At participating locations.
  
  

   

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  Expires: Jun-30-2025

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• New Coupon

  

  Sonic

  Under $4 Favorites
  
  
  At participating locations.
  
  

   

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  Expires: Jun-30-2025

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  Takeout Coupons, Deals
  
  
  Wednesday Daily Deals - Other Days
  
  
• New Coupon

  

  Sonic

  Sign up for Sonic's Rewards Program (free to join) for exclusive Text offers and get free coupons
  Plus Get one free small shake with any purchase online or Sonic app (free to join) for your birthday
  
  At participating locations.
  
  In-Store Only

   

  Share it:

  Expires: Ongoing

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• New Food Coupons from:

  
  
  Free Food Coupons App - Download NOW
  
  
• New Coupon

  

  Sonic

  Latest Sonic Specials and Deals
  
  At participating locations.
  
  In-Store Only

   

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  Expires: Ongoing

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• New Coupon

  

  Sonic

  Enjoy with half price Shakesafter 7pm
  To redeem: Use the sonicdrivein.com or Sonic app (free to download)
  
  For a limited time only.
  
  At participating locations.
  
  

   

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  Expires: Ongoing

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• New Coupon

  

  Sonic

  1/2 Half priced Sonic Cheeseburgers on Tuesday Night. 5pm to Close when you order online or in the Sonic App
  
  At participating locations.
  
  

   

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  Expires: Ongoing

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• New Coupon

  

  Sonic

  Find the SONIC Drive-In Closest to you
  
  In-Store Only
  
  At Participating Locations. Not valid with any other offer.

   

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  Expires: Ongoing

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