Bed Frames under $400

4 bed frames under $400 from Keiki, Mixcous, Harper & Bright Designs and more. Prices run $325 to $384.

SmartEdge

Twin, Daybed

+Twin size fits small rooms and guest use

+Pop-up trundle adds extra sleeping space

+Daybed style doubles as a sofa

−Twin size is narrow for adult sleepers

$324.99

as of 11/04/2026 03:42 PST - Details

Velocava

Twin, Daybed, Metal

+Twin size suits children's rooms and small spaces

+Wraparound arms let it work as a daybed for sitting

+Cloud-shaped backrest gives a distinctive look

−Metal frame can be louder when shifted than wood

$369.99

as of 11/04/2026 07:35 PST - Details

Elountik

Daybed

+Storage drawers included for under-bed space

+Upholstered in linen grey fabric

+Mid-century modern style

$384.69

as of 11/04/2026 06:38 PST - Details

Keiki

Twin, Daybed

+Pop-up trundle adds a second sleeping spot

+USB port built in

+Daybed style works as a sofa

−Twin size limits sleeping space for adults

$361.99

as of 11/03/2026 23:44 PST - Details

Compare specs

Mattress size named	Frame material named	Spec score	Price
Twin		n/a	$324.99 as of 11/04/2026 03:42 PST - Details
Twin	Metal	n/a	$369.99 as of 11/04/2026 07:35 PST - Details
		n/a	$384.69 as of 11/04/2026 06:38 PST - Details
Twin		n/a	$361.99 as of 11/03/2026 23:44 PST - Details

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