Krystal promo codes
25 Krystal codes are on file. None has passed a checkout test yet, so try them before you count on the saving.
- Codes listed
- 25
- Verified
- 0
- Sitewide
- 14
- Last checked
- Oct 14, 2026
Unverified codes
Listed as found; some may have ended51% Off
Not verified
51% Off Original Krystal Hamburguer at Krystal
- 51% off your order
- Applies to: Select items
40% Off
Not verified
40% Off Your Purchase
15% Off
Not verified
15% Off Storewide (minimum Order $10) at Krystal
- 15% off your order
- Works sitewide — no specific product required
- Applies to: storewide
10% Off
Not verified
10% Off Select Items at Krystal
- 10% off your order
- Applies to: other
$5 Off
Not verified
$5 Off Online Order Of $25 Or More
$5 Off
Not verified
$5 Off $20 Or More
$5 Off
Not verified
$5 Off Storewide (Minimum Order: $25) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
$4 Off
Not verified
$4 Off Storewide (Minimum Order: $20) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
$4 Off
Not verified
$4 Off Storewide (Minimum Order: $20) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
$4 Off
Not verified
$4 Off Storewide (Minimum Order: $20) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
$3 Off
Not verified
$3 Off Storewide (Minimum Order: $10) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
Buy 1 Get 1
Not verified
Buy 1 Get 1 Shrimp Basket (Must Order 2) Members Only at Krystal
- Applies to: Select items
- Excludes: members
SALE
Not verified
Free Small Fry Storewide (Must Order Valid At Participating Locations) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
SALE
Not verified
Get 5 for 1 Dollar Cheese Krystal Hamburger (must Order 5) at Krystal
- Applies to: Select items
SALE
Not verified
Free Corn Pup Combo Purchase at Krystal
- Applies to: Select items
SALE
Not verified
Free 4ct Glaze Bombs Glaze Bombs 4pc (Minimum Order: $5) at Krystal
- Applies to: Select items
SALE
Not verified
Cheese Sackful For $15
SALE
Not verified
Today Only! Free Small Fries With $10+ Order
SALE
Not verified
Free 10 Pcs Glaze Bomb Storewide (Must Order Sackful) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: other
SALE
Not verified
Free Small Onion Ring Storewide (Minimum Order: $5) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
SALE
Not verified
Free Cheese Krystal Storewide (Must Order Only At Particapting Locations) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
SALE
Not verified
3 Dollars And 14 Cents Storewide (Minimum Order: $10) Members Only at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
SALE
Not verified
Free 4pck Glaze Bomb Storewide (minimum Order $10) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
SALE
Not verified
Free Classic Pup or Corn Pup or Chili Cheese Pup Storewide (minimum Order $10) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: other
SALE
Not verified
Free Cheese Krystal Storewide (minimum Order $5) at Krystal
- Works sitewide — no specific product required
- Applies to: storewide
How to use a Krystal code
Show and copy the code
Start with a verified code. The code opens in a new tab and this tab continues to Krystal.
Fill your bag at Krystal
Add the items the code applies to. Sale items and some brands are often excluded.
Paste it at checkout
Enter the code in the promo field before you pay. If the total does not change, try the next code.
Questions about Krystal codes
Does Krystal have a working promo code right now?
We list 25 Krystal codes, but none has passed a checkout test yet. Treat them as unconfirmed and try the first one listed.
What is the best Krystal promo code today?
The strongest offer we have on file is “51% Off Original Krystal Hamburguer at Krystal”. It has not been verified, so it may not apply to every basket.
Do Krystal codes work on everything?
14 of the listed codes are described as sitewide. The rest are limited to selected items, a minimum spend or new customers; each code lists its terms where they are known.
How do I use a Krystal promo code?
Select “Show code” on this page and copy the code, add your items to the bag at Krystal, and paste the code into the promo or discount field at checkout before you pay. The order total should update straight away; if it does not, the code does not apply to your basket.
Why did my Krystal code not work?
The usual reasons are an expired code, sale items that are excluded, a minimum spend that has not been reached, or a code limited to first orders. Codes marked “Verified” were accepted at checkout on the date shown; unverified codes are listed as found and may already have ended.
Codes are collected from public sources and re-checked on a rolling schedule; retailers can end an offer at any time. InfluencerRate may earn a commission when you shop through links on this page.