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Mattresses under $400

All mattresses

2 mattresses under $400 from BedStory, Novilla, Viscoflex and more. Prices run $310 to $344.

All filtersFilters (1)×
Thickness: Under 8 in  ×Clear all
BrandDreamfoam1Tuft & Needle1
SizeFull2
TypeMemory Foam1
FirmnessFirm1
Thickness13 in and up2011 to 12 in158 to 10 in5Under 8 in2
CoolingCooling1
In a boxIn a box1
Clear allShow 2 mattresses
Thickness: Under 8 in  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Dreamfoam

Full, Memory Foam, Under 8 in

+Full size fits two people or one wider sleeper
+Gel memory foam for pressure relief
+Thin 6-inch profile suits low bed frames
−Under 8 inches offers less cushioning than thicker mattresses
$344.40-7%Was: $369.00
as of 11/03/2026 22:44 PST - Details
Tuft & Needle

Full, Firm, Under 8 in

+Full size suits single sleepers or small guest rooms
+CertiPUR-US certified foam is listed
+Cooling feature is listed for a cooler sleep surface
−Firm feel may not suit side sleepers who want cushioning
−Under 8 inches of thickness is thinner than most mattresses
$310.00
as of 11/03/2026 23:45 PST - Details

Compare specs

mattressSizeTypeFirmnessThicknessSpec scorePrice
FullMemory FoamUnder 8 inn/a$344.40
as of 11/03/2026 22:44 PST - Details
FullFirmUnder 8 inn/a$310.00
as of 11/03/2026 23:45 PST - Details

Before you buy

Other price ranges

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Popular filters

Mattresses in a Box221Cooling Mattresses191Hybrid Mattresses185Medium Firm Mattresses169Queen Mattresses137Memory Foam Mattresses13611- to 12-Inch Mattresses1218- to 10-Inch Mattresses108

Mattresses by use

Queen Hybrid Mattresses77Queen Memory Foam Mattresses45King Hybrid Mattresses57King Memory Foam Mattresses33Twin Memory Foam Mattresses46Thick Hybrid Mattresses73

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.