20%
Code20% off storewide
Orders include free cool packs if necessary.
Sitewide
Verified· 5d ago
MMSD•••26
M&M's promo codes for October 2026
We confirm every code and deal on this page on M&M's's own pages and in posts about it, and each says when. 10 of 10 still work — the rest are listed below with the date they stopped.
Last checked 5 days ago
10 working codes
Best today: 25% off
Filter
Sort
Working M&M's codes today
- 15%Code
15% off party favors
Applies to personalized gifts, favors, and more.
Party favorsVerified· 5d agoSP•••CE - 10%Code
10% off storewide
SitewideVerified· 5d agoSUNS•••NE - 15%Code
15% off storewide
SitewideVerified· 5d agoNOGO•••TO - 20%Code
Up to 25% off storewide
Orders of £100 or more required. Free cool packs included when necessary.
Min. spend $100SitewideNot yet verifiedBEST•••Y2 - 25%Code
25% off orders over £150
Orders of £150 or more; site wide.
Min. spend $150SitewideNot yet verifiedBEST•••G1 - 20%Code
20% off all gifts
Applies to party favors, bulk candy, and personalized gifts.
GiftsNot yet verifiedGIFT•••OM - FREECode
Free shipping storewide
Free standard shipping available on all orders.
SitewideNot yet verifiedFREE•••NG - 20%Code
20% off personalized M&M'S
Applies to personalized gifts and favors.
Personalized giftsNot yet verifiedbest•••mo - 15%Code
15% off any order
20% off orders over €100 and 25% off orders over €150.
Not yet verifiedBEST•••Y1
Shopper reports this week
0
reports, 7 days
—
worked
0
codes retired
- No reports yet this week — be the first.
M&M's prices worth acting on
Prices read 21 Oct 2026 from M&M's's deals page
Kids sleepwear
M&M'S pajama set
$14.99$29.99
Half off a cozy kids' M&M'S holiday lounge set.
See it on M&M's
Pet collars
M&M'S pet collar
$8.49$16.99
Half off a durable M&M'S pet collar with character graphics.
See it on M&M's
Gift boxes
M&M'S heart gift box
$29.99$39.99
Save $10 on a heart candy gift box with bow.
See it on M&M's
When M&M's actually discounts
Our estimate of when M&M's's biggest discounts of the year happen, month by month. November is the month to wait for.
56%of M&M's's biggest discounts happen in November
Share of biggest discounts by month (%)
How to apply a code at M&M's
- 1
Copy the code above
Start with the one verified most recently, not the biggest number.
- 2
Go to the checkout page
Open the cart drawer by clicking the cart icon, then proceed to checkout. The promo code field is on the checkout page, not in the cart.
- 3
Enter and apply your code
Type your code into the promo code field on the checkout page. Then click the apply button to apply it.
- 4
Check the total dropped
If M&M's shows "invalid promo code", the code did not work — tell us, and a code shoppers report as failing moves to the bottom of the list.
Everything else worth knowing before you buy
- Returns
- Custom Items may not be returned for credit. If your Custom Item order arrives damaged or incomplete, notify within 10 business days after receipt for replacement.
- Best month to buy
- November — about 56% of M&M's's biggest discounts of the year fall in it, by our estimate.
- Customer service
- Customer Service can be reached by phone at 1-888-696-6788, email at [email protected], or chat. Hours are Mon - Fri, 9am - 7pm, ET.
M&M's sale calendar
Our estimate of when M&M's's biggest discounts of the year happenNow
Halloween Candy Sale
The peak candy season around Halloween, when the store promotes its candy assortments and treat packs.
3% of its biggest discounts
In 3 weeks
Singles' Day Sale
The 11 November shopping day marked with promotions, relevant to the brand's Asian stores.
1% of its biggest discounts
In 5 weeks
Black Friday Sale
The day-after-Thanksgiving kickoff of the holiday shopping season, with deals across candy and merchandise.
41% of its biggest discounts
In 6 weeks
Cyber Monday Sale
The online-focused deals day right after the Black Friday weekend.
13% of its biggest discounts
M&M's coupon questions
5 questions people actually ask us.
Is there an M&M's promo code for party favors?
Yes, the store's notice says code SPICE takes 15% off party favors. Orders also include free cool packs if necessary.
How much does standard shipping cost at M&M's and how long does it take?
For orders up to $1,000, standard shipping costs $9.99 and arrives within 5-7 business days from the order date. Orders over $1,000 are a flat $75 for standard shipping, though certain orders may be subject to additional carrier fees.
Does M&M's shipping cost more for orders over $1,000?
Standard shipping on orders over $1,000 is a flat rate of $75, though certain orders may be subject to additional carrier shipping fees. The exact charge appears on your order confirmation page.
How old do I have to be to order M&M's online?
You must be at least 18 years old, or 19 in Alabama and Nebraska, or 21 in Mississippi.
Does M&M's warranty its candy and merchandise?
M&M's provides all product and merchandise as is and with all faults, to the maximum extent the law allows.
Keep looking
M&M's and the M&M's logo are trademarks of their owner, shown here solely to identify the store and its offers. Couponly is an independent service and is not affiliated with, endorsed by, or sponsored by M&M's. We may earn a commission when you shop through our links. See our Terms.