The Best Mattress Deals At DealNews in September 2026

Combines innerspring support with a foam comfort layer, which suits back and stomach sleepers who want some bounce without losing pressure relief, and it's currently $29 off the list price. Buy Now at Amazon

Update: The price has changed to $74.99 since this was originally published.

Side sleepers and anyone whose mattress has gotten too firm will notice the extra cushioning right away, and at $74.98 you're paying essentially the list price, so this one's about the product itself rather than the discount. Buy Now at Amazon

Designed for anyone who has trouble winding down at night, this one's worth a look if you want an easy addition to your bedtime routine, and at $25.90 it's about $4 less than the $29.98 list price. Buy Now at Amazon

Side sleepers and hot sleepers alike benefit from the cooling gel layer, which helps offset the heat retention typical of memory foam mattresses. At $286, it's about $35 (11%) below the $321 list price for a king-size 12-inch model. Buy Now at Amazon

Bunk beds and daybeds need a mattress that's actually 8" thick without overwhelming the frame, and the gel memory foam here helps offset the heat retention that standard foam mattresses tend to trap. It's a straightforward fit for kids' rooms, guest bunks, or RVs where a standard twin mattress won't work. Buy Now at Amazon

This mattress topper suits anyone with a too-firm dorm or guest bed who wants extra cushioning without buying a new mattress, and the dual-layer foam design adds some structure compared to single-layer options at a similar price point. It's currently $35 off the list price, about a 29% discount. Buy Now at Amazon

Update: The price has dropped to $142.89 since this was originally published.

Guest rooms and camping trips both benefit from this raised-height mattress with a built-in pump, since you can inflate or deflate it in minutes without hauling out a separate device. It's $17 off the list price at $143. Buy Now at Amazon

Side sleepers and dorm setups tend to do well with this one, since the gel memory foam layer eases pressure points while the hybrid coils keep the mattress from sleeping too hot. The 14-inch profile also gives it a sturdier feel than typical all-foam options in the same Twin XL size. Buy Now at Home Depot

Setting up a guest room without permanent furniture gets easier with this twin-size inflatable mattress, and Walmart has it for $50.44, about $8.55 off the $58.99 list price. Buy Now at Walmart

Good for guest rooms or camping trips where you need bed height without a bed frame, since the 18-inch elevation gets you closer to a standard mattress feel. Walmart has it for $60, which is $30 off the $90 list price. Buy Now at Walmart

Side and back sleepers who want some contour without sinking in will get more out of this hybrid's coil-and-foam combo than a straight memory foam bed, and at $203, that's $36 (15%) off the $239 list price. Buy Now at Amazon