Last Updated: October 17, 2025

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Sonic Coupon

BOGO buy one Double SONIC Smasher and get one free when you order in the Sonic app

At participating locations.

COUPON EXPIRED Expired: 31-10-2025

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Sonic Coupon - BOGO buy one Double SONIC Smasher and get one free when you order in the Sonic app At participating locations.
Most coupons are valid only at participating locations and not valid in AK, HI, PR or outside the USA. Share: Share on Facebook Tweet coupon One coupon per person per visit. Not valid with other offers or coupons. Void where prohibited. Coupons not valid at airports, trains, and stadiums.

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