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Mattresses under $400

All mattresses

15 mattresses under $400 from BedStory, Novilla, Viscoflex and more. Most cost $320 to $399, and half cost less than $370.

Hiboss

California King, Hybrid, Medium Firm, 11 to 12 in

+California King size for wide sleeping space
+CertiPUR certified foam
+Cooling gel memory foam
$319.99-26%List: $429.99
as of 11/04/2026 06:40 PST - Details
Serta

Queen, Memory Foam, Firm, 11 to 12 in

−Cooling not listed: 25 of the 44 here list one
$374.21-25%List: $499.00
as of 11/04/2026 02:37 PST - Details
Resspry

Full, Hybrid, 11 to 12 in

+CertiPUR-US certified foam
+Cooling feature for a cooler sleep surface
+Hybrid construction combines foam and springs
$339.99-15%List: $399.99
as of 11/04/2026 00:52 PST - Details
Mlily

Queen, Memory Foam, Medium Firm, 11 to 12 in

−Cooling not listed: 25 of the 44 here list one
$369.99-14%List: $429.99
as of 11/03/2026 22:48 PST - Details
Yuanco

King, Hybrid, Medium Firm, 11 to 12 in

+King size fits couples and larger sleepers
+Medium firm feel for balanced support
+Hybrid build combines foam and pocketed coils
−Thick profile may need deeper bed frame clearance
$384.47-10%Was: $427.19
as of 11/04/2026 08:42 PST - Details
Novilla

King, Memory Foam, 11 to 12 in

+CertiPUR-certified memory foam
+Ships boxed for easy home delivery
+Cooling design with gel memory foam
−Heavier than thinner king mattresses
$369.99
as of 11/04/2026 00:28 PST - Details
Vibe

Twin XL, Memory Foam, Medium Firm, 11 to 12 in

+CertiPUR-US certified foam
+Cooling gel layer
+Pressure-relieving memory foam construction
−Twin XL size fits one sleeper only
$310.11
as of 11/04/2026 07:36 PST - Details
BedStory

Queen, Hybrid, Firm, 11 to 12 in

+Queen size fits standard queen bed frames
+Hybrid construction combines foam and pocket springs
+Shipped boxed for easy home delivery
−Firm feel may not suit softer sleep preferences
−Thickness of 11 to 12 inches is slightly below typical hybrids
$329.99
as of 11/04/2026 12:41 PST - Details
Elverock

Queen, Hybrid, Soft, 11 to 12 in

+Hybrid build combines gel memory foam and pocket springs
+CertiPUR-US certified foam
+Full 12 inch thickness
−Soft feel may not suit those needing firm support
$359.99
as of 11/03/2026 22:50 PST - Details
Lessness

Full, Hybrid, Medium, 11 to 12 in

+Full size suits single sleepers or small guest rooms
+Hybrid build combines foam and springs
+Medium firm feel suits a wide range of sleepers
−Hybrid construction adds weight for moving upstairs
$399.97
as of 11/03/2026 23:33 PST - Details
Signature Design by Ashley

Queen, Memory Foam, 11 to 12 in

+CertiPUR-US certified foam for a material standard
+Ships boxed for easier delivery to a home
+Queen size fits standard queen bed frames
$349.00
as of 11/04/2026 02:41 PST - Details
MOOA

Full, Hybrid, Medium Firm, 11 to 12 in

+Full size suits single sleepers and guest rooms
+Hybrid design with gel memory foam
+Medium firm feel
$369.99
as of 11/04/2026 00:16 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
California KingHybridMedium Firm11 to 12 inn/a$319.99
as of 11/04/2026 06:40 PST - Details
QueenMemory FoamFirm11 to 12 inn/a$374.21
as of 11/04/2026 02:37 PST - Details
FullHybrid11 to 12 inn/a$339.99
as of 11/04/2026 00:52 PST - Details
QueenMemory FoamMedium Firm11 to 12 inn/a$369.99
as of 11/03/2026 22:48 PST - Details
KingHybridMedium Firm11 to 12 inn/a$384.47
as of 11/04/2026 08:42 PST - Details
KingMemory Foam11 to 12 inn/a$369.99
as of 11/04/2026 00:28 PST - Details
Twin XLMemory FoamMedium Firm11 to 12 inn/a$310.11
as of 11/04/2026 07:36 PST - Details
QueenHybridFirm11 to 12 inn/a$329.99
as of 11/04/2026 12:41 PST - Details
QueenHybridSoft11 to 12 inn/a$359.99
as of 11/03/2026 22:50 PST - Details
FullHybridMedium11 to 12 inn/a$399.97
as of 11/03/2026 23:33 PST - Details

Before you buy

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