10 Best Cheap King Size Mattress Options

A low price tag on a king bed often signals compromise. We identified which models defy that expectation entirely. Finding a truly great cheap king size mattress can feel like a hunt for a unicorn. You worry about sagging edges, cheap foam, or a rock-hard feel that ruins your sleep for years to come.

But what if you didn’t have to sacrifice quality? We tested the top budget-friendly kings to find the ones that deliver on comfort and support. This guide cuts through the noise, showing you where the real value is hiding so you can invest in rest, not just a mattress.

Product Comparison Table: 10 Best Cheap King Size Mattress

Image	Why We Like This Product	Editor’s Rating
	EGOHOME King Size Memory Foam Mattress, 12 Inch Bed… Pressure-relieving memory foam for perfect spinal alignment Cool, green-tea-infused foam for a fresh night’s sleep	9.8	Read Review
	Zinus 12 Inch King Green Tea Memory Foam Mattress… Green tea infused foam for lasting freshness and comfort CertiPUR-US certified for safe, pressure-relieving support	9.6	Read Review
	Novilla 6 Inch King Size Mattress in a Box,… Cool, gel-infused foam for all-night temperature comfort Three-layer support isolates motion and aligns your spine	9.5	Read Review
	Novilla King Size Mattress, 12 Inch Gel Memory Foam… Gel memory foam keeps you cool all night Relieves pressure points and isolates partner’s movement	9.3	Read Review
	Novilla 12 Inch King Size Mattress in a Box,… Hybrid design relieves back pain for all sleeping positions Certified safe, hypoallergenic materials for a cleaner sleep	9.1	Read Review
	Rolanstar King Size Mattress, 6 Inch Gel Memory Foam… Gel foam adapts to your body, relieving pressure points Bamboo charcoal layer stays cool and absorbs moisture	9.0	Read Review
	NeoDream King Size Mattress, 12 Inch Hybrid Matress with… Hybrid design cradles your body, banishes aches Reinforced edges prevent sagging, maximize sleeping space	8.8	Read Review
	PayLessHere | 5 Inch King Mattress | Medium Firm… Pressure-relieving comfort with cool, airflow design Durable medium-firm support for proper spinal alignment	8.6	Read Review
	Novilla King Size Mattress 10 Inch,Hybrid Mattress King with… Zoned support keeps your spine aligned all night Cooling gel foam relieves pressure without overheating	8.5	Read Review
	Best Price Mattress 12 Inch Memory Foam Mattress, Medium… Gel foam cools and contours for personalized pressure relief Medium-firm feel balances perfect support with lasting comfort	8.3	Read Review

Quick Review For Top 10 Cheap King Size Mattress

EGOHOME King Size Memory Foam Mattress, 12 Inch Bed Mattress in a Box with Cooling Green Tea Gel, Relieve Pressure with Medium Support, CertiPUR-US Certified, 80''L x 76''W, White

The EGOHOME King Size Memory Foam Mattress is designed to be a foundational upgrade for your sleep. This 12-inch mattress arrives conveniently compressed in a box, but it’s whats inside that counts for your nightly rest. At its core is a layer of pressure-relieving memory foam thats CertiPUR-US certified, meaning its made without harmful chemicals and is low in emissions.

The key feature here is balanced support.

The patented memory foam doesn’t just sink; it responds to your body weight and shape to absorb and distribute pressure evenly. This means your shoulders, hips, and other joints aren’t fighting against a hard surface, which can really help your muscles relax more completely. You’ll notice less of that morning stiffness because the stress points are minimized.

Whether you sleep on your back, side, or stomach, this mattress aims to adapt.

It contours to your body’s curves, filling gaps to help keep your spine in a more neutral alignment. This proper support is crucial not just for comfort but for promoting better circulation throughout the night. Another benefit of this close conforming is motion isolation; when you or a partner moves, the disturbance is muffled, leading to less noise and fewer sleep interruptions.

Memory foam can sometimes sleep warm, but EGOHOME has incorporated features to adress this.

Check It On Amazon

Zinus 12 Inch King Green Tea Memory Foam Mattress [New Version], Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

The Zinus 12 Inch King Green Tea Memory Foam Mattress [New Version] is designed to be a straightforward upgrade to your sleep setup, focusing on comfort, safety, and a simpler delivery process. This fiberglass-free mattress arrives compressed in a box, but it’s whats inside that counts for your rest. A key feature of this model is it’s zoned pressure relief technology.

This isn’t just a flat slab of foam; it’s engineered with different support zones to help align your spine and reduce pressure on areas like your shoulders and hips. This can mean less tossing and turning and more supportive sleep. The overall feel is medium firm, offering a balance of cushioning and support that works well for many sleepers, whether you’re a back, side, or stomach sleeper. Comfort comes from the memory foam, which gently conforms to your body’s shape.

This helps to distribute weight evenly, which can enhance circulation and decrease stress points on your joints. You won’t feel stuck in the foam, but rather properly cradled. Plus, the new version ships in a smaller box, which is a small but meaningful step towards reducing the carbon footprint from shipping. Freshness is built right in. Zinus infuses the foam with natural green tea and purified charcoal.

Check It On Amazon

Novilla 6 Inch King Size Mattress in a Box, King Gel Memory Foam Mattress with Comfort Foam for Cooling Night Sleep, Comfort Support and Pressure Relief, CertiPUR-US Certified

The Novilla 6 Inch King Size Mattress in a Box is designed to be a straightforward solution for better sleep. It focuses on core comfort, support, and temperature regulation, all delivered in the convenient mattress-in-a-box format your familiar with.

One of the main highlights is its cooling design. This king gel memory foam mattress incorporates 30% more NanoGel beads compared to standard foam.

These beads work to absorb and dissipate body heat, promoting better airflow throughout the night. The goal is to reduce that trapped, warm feeling some memory foam can have, helping you stay comfortable from evening until morning.

Support is built through a thoughtful three-layer foam system. The combination of gel-infused memory foam and comfort foam aims to cushion your body and relieve pressure at key points like shoulders and hips.

Beneath that, a high-density base foam provides a stable foundation that helps keep your spine in a neutral alignment. This layered approach also minimizes motion transfer. So when your partner moves or gets out of bed, the disturbance on your side of the mattress is significantly reduced, which is a big plus for uninterrupted sleep.

Hygiene and a fresh sleeping environment are also considered.

Check It On Amazon

Novilla King Size Mattress, 12 Inch Gel Memory Foam King Mattress for Cool Night & Pressure Relief, Medium Plush Feel with Motion Isolating, Bliss

The Novilla King Size Mattress, 12 Inch Gel Memory Foam King Mattress for Cool Night & Pressure Relief, Medium Plush Feel with Motion Isolating, Bliss is designed to be a comprehensive sleep solution. It arrives in a box for easy handling, and it’s important to know it needs some time to settle in. After unboxing, give it 24 to 72 hours to fully expand to its intended king size.

A warmer room helps it along faster, while cooler temps might slow it down a bit, which is completely normal for any quality memory foam mattress. This mattress focuses on keeping you cool throughout the night. Its built with a four-layer, all-foam system that starts with a top layer of gel-infused memory foam. This gel works to draw heat away from your body. Beneath that, an egg crate designed foam layer promotes increased airflow across the entire sleeping surface.

Even the soft, removable cover contributes, boosting breathability by about 30%. The goal is a consistently comfortable temperature so you can sleep without overheating. Pressure relief and support are at its core. The medium plush feel comes from the combination of that cooling gel memory foam and a comfort foam layer. They work together to gently contour to your body’s shape, easing pressure on shoulders, hips, and back.

Check It On Amazon

Novilla 12 Inch King Size Mattress in a Box, Hypoallergenic & Back Pain Relief, Hybrid King Mattresses with Smarts Coils, Fiberglass Free CertiPUR-US Certified Colchones No Box Spring Needed

The Novilla 12 Inch King Size Mattress in a Box is designed to be a straightforward solution for better sleep. It’s a hybrid mattress, which means it combines the reliable support of coils with the comfort of foam. This particular balance aims to adress a common issue: waking up with aches. The mattress uses what Novilla calls SmartS coils. These work together with layers of contouring foam to cradle your shoulders, hips, and other pressure points.

This system is meant to keep your spine in a more neutral alignment, whether you sleep on your side, back, or stomach. The goal is relief from back pain by providing support where you need it most. For anyone concerned about what their mattress is made of, this model has strong certifications. Its foams are CertiPUR-US certified, which means they’re made without harmful chemicals and have low emissions.

The fabric cover also carries an OEKO-TEX certification, indicating its been tested for safety. Importantly, Novilla confirms this mattress is completely fiberglass-free. This combination makes it a genuinely hypoallergenic choice, resisting common allergens and creating a cleaner sleep enviornment for sensitive individuals or families. Temperature regulation is another key feature. The hybrid design is naturally more breathable than all-foam options, and Novilla adds an AirBreeze fabric layer.

Check It On Amazon

Rolanstar King Size Mattress, 6 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White

The Rolanstar King Size Mattress is a 6-inch gel memory foam mattress designed for cooler, supportive sleep. It arrives conveniently compressed in a box for easy setup and is built without fiberglass, using CertiPUR-US certified foams for peace of mind. This description outlines its key features to help you understand if its the right fit for your needs. At its core, the mattress uses a two-layer foam system.

The base is a foundation support foam that provides the structural integrity and primary body support. On top of that is a layer of bamboo charcoal-infused memory foam. This top layer is where many of the specific benefits originate. The foundation foam is engineered to be body-adaptive. It contours to your shape, which helps distribute your weight evenly and can minimize pressure points at your shoulders, hips, and lower back.

This contouring effect also aids in promoting proper spinal alignment as you sleep, which is crucial for waking up without aches. The bamboo charcoal foam layer addresses several common concerns with traditional memory foam. Primarily, it enhances breathability. The open-cell structure and properties of the charcoal allow for better air circulation compared to standard foam, which helps prevent heat from getting trapped. This can lead to a noticeably cooler sleeping surface.

Check It On Amazon

NeoDream King Size Mattress, 12 Inch Hybrid Matress with Memory Foam & Individual Pocket Springs, King Mattress in a Box, Medium Firm Feel, Pressure Relief, Edge Support, Motion Isolation

The NeoDream King Size Mattress is a 12-inch hybrid designed to bridge the gap between classic spring support and modern foam comfort. It arrives at your door in a box, which makes handling a king size mattress surprisingly manageable. Once unboxed, it needs 48 to 72 hours to fully expand to its intended shape and thickness. This mattress combines layers of memory foam with a system of individually wrapped pocket springs.

The idea here is to give you the contouring pressure relief of foam while the springs provide targeted support for different parts of your body. This can help keep your spine in a more neutral alignment, which many people find reduces morning aches. The memory foam used is CertiPUR-US certified, meaning its been tested for low emissions and durability, and the mattress is constructed without fiberglass for peace of mind. A key feature of this hybrid build is its motion isolation.

Because each spring is in its own pocket and moves independently, movement on one side of the bed is less likely to travel across to the other. This, combined with the foam layers, dampens vibrations and noise. If you or your partner tends to toss and turn, this design helps minimize sleep disruptions so you both can get a more consistant night’s rest. The feel is categorized as medium-firm, offering a balance of cushion and support that works for a variety of sleep positions.

Check It On Amazon

PayLessHere | 5 Inch King Mattress | Medium Firm Base Foam Mattress | Removable Washable Zipper Cover | Breathable & Comfortable | White | Bed in a Box | CertiPUR-US Certified

The PayLessHere 5 Inch King Mattress is a straightforward, value-focused foundation designed for reliable sleep. It’s a medium-firm base foam mattress that arrives conveniently compressed in a box, offering a practical solution for guest rooms, kids’ spaces, or as an affordable base layer. If your looking for a no-fuss mattress that prioritizes ease and essential support, this model is built with that in mind. At its core, this mattress uses a CertiPUR-US certified foam.

This certification means the foam is made without harmful chemicals and has low emissions for indoor air quality. The 5-inch profile of high-density foam provides a stable, durable surface. It’s engineered to resist sagging and maintain its shape over the years, offering a consistent feel that won’t break down quickly. The medium-firm feel is intentionally balanced; it’s not overly plush nor too rigid.

This makes it supportive enough for proper spinal alignment for many sleepers, while remaining versatile for different body types and sleeping positions, especially back and stomach sleepers. A key feature is the Cool & Pressure-Relieving design. The foam adapts gently to your body’s contours, which helps alleviate pressure on shoulders, hips, and other joints. The open-cell structure of the foam also promotes airflow throughout the mattress.

Check It On Amazon

Novilla King Size Mattress 10 Inch,Hybrid Mattress King with Gel Memory Foam, Cool-Touch Nylon Cover & Pocketed Coils for Targeted Zones Support & Deep Restful Sleep CertiPUR-US Certified

The Novilla King Size 10 Inch Hybrid Mattress is designed to be a comprehensive sleep solution that focuses on support, comfort, and practical convenience. It combines the contouring benefits of foam with the responsive support of springs, aiming to adress common sleep issues for a wide range of individuals. At its core, this mattress features hundreds of individually pocketed coils. These coils work independently to provide targeted support to different zones of your body.

This means your shoulders, hips, and lower back recieve specific support to help maintain a more balanced spinal alignment throughout the night. A major benefit of this individual wrapping is motion isolation; movement on one side of the bed is significantly reduced, so you’re less likely to be disturbed by a partner shifting positions. For pressure relief, the mattress layers gel-infused memory foam over the coil system.

This foam is engineered to cradle your body’s contours, easing tension at pressure-sensitive points like shoulders and hips. The gel infusion plays a crucial role in temperature regulation by actively dispersing body heat, which helps prevent the trapped warmth often associated with traditional memory foam. This contributes to a cooler, more consistent sleep surface. The cover of the Novilla hybrid is made from a cool-touch nylon fabric.

Check It On Amazon

Best Price Mattress 12 Inch Memory Foam Mattress, Medium Firm, Cooling Gel Infused, Certified Safe Foams & Fabric, Mattress in a Box, King

The Best Price Mattress 12 Inch Memory Foam Mattress is designed to be a straightforward solution for a better night’s rest. It combines several key technologies to adress common sleep issues, all at a value-focused price point. At its core is a gel-infused memory foam layer. This material is what gives the mattress its signature feel. It adapts to your body’s unique shape, offering personalized comfort and precise support that can help with proper spinal alignment.

Unlike older memory foam that sometimes traps heat, the infused gel works to regulate temperature. This cooling technology is a big part of the design, aiming to ease stress on pressure points like your shoulders and hips for deeper, more restful sleep.

Breathability is another important feature. The mattress is constructed with materials that enhance airflow throughout the layers.

This helps maintain a fresh, cool sleep environment by allowing body heat to dissipate instead of building up around you. The overall feel of the mattress is medium-firm. This is a very popular firmness level because it strikes a balance. It provides enough support to keep your spine in a neutral position, which is crucial for avoiding morning aches, while still offering plenty of cushioning comfort.

Check It On Amazon

Cheap King Size Mattress Buying Guide

A king-sized bed doesn’t have to mean a royal expense. With smart shopping, you can find a comfortable and supportive cheap king size mattress that fits your budget. The key is knowing what to look for beyond just teh price tag. Let’s break down the essential factors so you can make a great choice without overspending.

Mattress Type & Materials

Your first big decision is the mattress type. Innerspring models are often the most budget-friendly and offer good support with that classic bouncy feel. Memory foam options are great for pressure relief and motion isolation, but check the foam density—higher density means better durability. Hybrids combine springs and foam but can cost more. For a truly cheap option, consider a simple polyfoam mattress; just know it might not last as long as others.

Firmness & Support

Don’t just pick a random firmness level. Think about your sleep position. Side sleepers usually need a softer surface to cushion hips and shoulders, while back and stomach sleepers often need medium-firm to firm support for proper spinal alignment. A mattress that’s too soft can lead to back pain, and one that’s too firm might create pressure points. It’s a balancing act for your comfort.

Warranty & Trial Period

This is crucial for a cheap mattress. A longer warranty (look for at least a 10-year limited warranty) suggests the company trusts its product’s longevity. Even more important is a sleep trial. Many online brands offer 100-night or longer trials. This lets you test the mattress at home and return it if it’s not right—a huge perk you won’t get buying from a discount warehouse. Always read the fine print on return policies, though.

Shipping and Setup

Consider how the mattress arrives. Most budget-friendly mattresses are “bed-in-a-box,” compressed and shipped for free to your door. This is convienient, but make sure you have help to move the heavy box and space to let the mattress expand for a full 24-48 hours. Some companies offer white glove delivery for an extra fee, which includes setup and removal of your old mattress, but that will add to your total cost.

Frequently Asked Questions About Cheap King Size Mattress

What does “cheap” really mean for a king mattress?

It usually means a lower price point, often under $600. This doesn’t always mean low quality. You can find good value mattresses that use simpler materials like polyfoam. The key is managing your expectations on features and longevity.

Will a cheap king mattress be comfortable?

Comfort is personal, but yes, many are comfortable! Budget options often focus on reliable, medium-firm feels. They might not have advanced cooling or contouring like pricier beds, but they can still provide great support for a good night’s sleep.

How long will a budget king mattress last?

Typically, expect 5 to 7 years of good use. Higher-priced mattresses often last longer. To extend your mattress’s life, use a supportive bed frame and rotate the mattress head-to-foot every few months if the manufacturer recommends it.

What types of cheap king mattresses are there?

The most common are all-foam (memory foam or polyfoam) and innerspring. All-foam offers good pressure relief and is often cheapest. Innerspring provides more bounce and airflow. Hybrids (foam and springs) are less common at this price.

Can I get a cheap king mattress in a box?

Absolutely. Many budget-friendly brands sell online and ship compressed in a box. This saves them money on storage and shipping, which they can pass the savings to you. Always check the return policy and sleep trial details.

Are there any hidden costs I should watch for?

Sometimes. Check if the price includes delivery and setup, or if that’s extra. Also, some very cheap mattresses may not include a warranty, or it might be very short. A reputable brand should offer at least a 5-year warranty.

What’s the biggest trade-off with a low-cost mattress?

You often trade advanced features and material durability for the lower price. The mattress might sleep warmer or soften quicker over time. But for many people, a basic, supportive mattress is all they really need to sleep well.

Our Final Words

A large, comfortable sleeping surface is attainable. These concluding recommendations prove you don’t need a large budget for a king-sized bed. Focus on what matters most to you, like support or pressure relief. Read reviews from other buyers to get a real sense of how a mattress feels and holds up. Remember, a good night’s rest is a smart investment in your daily life, and it shouldn’t require a loan.

We hope this guidance helps you make a confident choice. With a little research, you can find a quality cheap king size mattress that provides the space and comfort you’ve been looking for. Give yourself time to adjust to your new bed once it arrives, and enjoy the extra room to stretch out. Here’s to many restful nights ahead on your new king-sized throne.