We confirm every code and deal on this page on Casper's own pages and in posts about it, and each says when. 37 of 37 still work — the rest are listed below with the date they stopped.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Buy at least two pillows to receive the Friends & Family Sale discount. Valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Part of the Friends & Family Sale, valid at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
The Friends & Family Sale discount applies to the listed categories at casper.com and participating Casper Sleep Shops through 10/21/26 at 11:59pm PT.
Excludes Final Sale, Clearance, Nap Pillow, Original Foam mattress, Original Hybrid mattress, Element mattress, and Digital Gift Cards. Cannot be combined with another offer.
Referred friends get the offer on their first order at casper.com; referrers receive one code per eligible friend who makes a qualifying purchase through their referral link.
30% off excludes bundles, Final Sale and Clearance items, Nap Pillow, Original mattress, Original Hybrid mattress, Element mattress, Snug Mattress™, Digital Gift Cards, and Casper Outlet purchases. Offer does not stack and may not be combinable with other discounts. For the friend: New customers only. Offer valid only on first order at casper.com. For the referrer: One code per eligible friend who makes qualifying purchase through your referral link. Offer valid for one-time use at casper.com.
Teachers and students verify their school affiliation with ID.me to receive a discount code for future orders.
Some restrictions may apply. Offer is not combinable with other offers. Clearance and final sale products are not included.
Customers who have owned a Casper mattress for over a year can sign up for emails to receive an invitation code, or call Sleep Specialists on their anniversary.
Limit one code per person. One standard size pillow comes free with a twin, twin XL, full or queen sized mattress and one king size pillow comes free with a king or California king sized mattress. Shopper must add Original Pillow to cart and apply the promo code received by email.
Casper advertises clearance savings across its bedding collection; the listed discount is an upper limit.
Active duty, retirees, veterans, military spouses, and military family members verify with ID.me to receive a discount code for future orders.
Some restrictions may apply. Offer is not combinable with other offers. Clearance and final sale products are not included.
Nurses, healthcare professionals, first responders, and hospital employees verify with ID.me to receive a discount code for future orders.
Some restrictions may apply. Offer is not combinable with other offers. Clearance and final sale products are not included.
UPS shipping is free for these product types shipped within the contiguous United States.
Katapult offers lease-to-own payments with no credit required and approval for up to $5,000.
Not available in MN, NJ, WI, or WY. The path to ownership will cost more than Casper's cash price.
Applies to mattresses, bundles, pillows, furniture, bedding, and accessories. Some exclusions may apply.
Applies to mattresses, bundles, pillows, furniture, bedding, and accessories.
Covers bedding, accessories, pillows, mattresses, and bundles.
Not valid on clearance or final sale products.
Applies to Dream mattresses.
Applies to hybrid, memory foam, and other mattress types. Includes Twin XL, full, queen, and king sizes.
Clearance offers memory foam mattress toppers, sheets, and protectors.
Includes mattresses, bundles, pillows, furniture, bedding, and accessories.
The promotional banner presents the adjustable base as free when paired with a Snow or Snow Max mattress.
Eligible shoppers can pay over 3, 6, 12, 18, or 24 months; Affirm provides a real-time decision that will not affect the credit score.
Save 30% on an adjustable base with elevated head and food lifts.
See it on Casper
Our estimate of when Casper's biggest discounts of the year happen, month by month. November is the month to wait for.
Start with the one verified most recently, not the biggest number.
Open the cart page where your items are listed. The promo code field is directly on this page.
Find the promo code field in the cart and enter your code there. Then select the apply button next to it to apply the code.
If Casper shows "Please check that you entered your code correctly. Exclusions may apply", the code did not work — tell us, and a code shoppers report as failing moves to the bottom of the list.
Casper's recurring sitewide event discounting mattresses, bundles, adjustable bases, pillows and bedding across its site and Sleep Shops.
A November event honoring military service with savings across the lineup.
A late-November holiday event kicking off the year's biggest sleep-shopping stretch.
The year's deepest mattress and bedding event the day after Thanksgiving.
Six questions people actually ask us.
Casper's military discount gives an extra 5% off everything for active duty, retirees, veterans, military spouses and immediate family members after ID.me verification. It is not combinable with other offers, and clearance and final sale products are not included.
Yes. Teachers and students get an extra 5% off everything after verifying through ID.me. It is not combinable with other offers, and clearance and final sale products are excluded.
Most products are eligible, but final sale and clearance items are excluded. Casper promo rewards also cannot be applied to bundles, final sale, clearance items or Casper Outlet purchases.
If you see a sale during your 100-Night Trial, you can contact a Casper Sleep Specialist to find out whether your order is eligible for a price match.
Casper mattresses come with a 100-night trial, but returns are not accepted during the first 30-night adjustment period. After that, mattress returns are free, and Casper schedules a courier to pick up the mattress and refunds the original payment method in full.
Casper gift cards do not expire, and there are no service, dormancy or inactivity fees. Gift cards are final sale and cannot be returned, resold or redeemed for cash.
Casper and the Casper 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 Casper. We may earn a commission when you shop through our links. See our Terms.
