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Mattresses under $400

All mattresses

2 mattresses under $400 from BedStory, Novilla, Viscoflex and more. Price: $399.99.

All filtersFilters (1)×
Firmness: Extra Firm  ×Clear all
BrandBedStory1Viscoflex1
SizeKing2
TypeHybrid2
FirmnessMedium Firm16Firm8Medium5Extra Firm2Soft2
Thickness11 to 12 in113 in and up1
In a boxIn a box2
Clear allShow 2 mattresses
Firmness: Extra Firm  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
BedStory

King, Hybrid, Extra Firm, 13 in and up

−Cooling not listed: 25 of the 44 here list one
$399.99-33%List: $599.99
as of 11/04/2026 12:41 PST - Details
Viscoflex

King, Hybrid, Extra Firm, 11 to 12 in

−Cooling not listed: 25 of the 44 here list one
$399.99
as of 11/03/2026 22:54 PST - Details

Compare specs

mattressSizeTypeFirmnessThicknessSpec scorePrice
KingHybridExtra Firm13 in and upn/a$399.99
as of 11/04/2026 12:41 PST - Details
KingHybridExtra Firm11 to 12 inn/a$399.99
as of 11/03/2026 22:54 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.