The Best Affordable Bunk Bed Mattresses & Mattress Sets

Need a cheap set of mattresses for your kids' bunk beds? These are the 10 best affordable bunk bed mattresses.

Chances are, if you're looking for bunk bed mattresses, you've got more than one kid. And if that's the case, you're probably looking for a bargain. But where can you turn? Well, you can start by taking a browse through our top ten cheap bunk bed mattress finds with us today. 

We're here, ready, and on the job to help you save a buck on the sleep provisions of multiple kiddos, while not sacrificing quality or health in the process. 

Bunk bed mattress size guide

First things first: When you're shopping for bunk bed mattresses, what size are you looking for? 

According to SFGate, standard twin mattresses are a perfect fit for most bunk beds. But there are also times when there's a twin mattress on the top bunk and a full mattress on the bottom, or perhaps even a futon or something else. For our purposes today, we'll be hunting primarily for affordable standard twins and keeping an eye out for the others. So without further ado, let's get into it!

The 10 best bunk bed mattresses

IKEA — Husvika Mattress

Our first stop is the Swedish-born and minimalist IKEA, which features bunk beds and frames suitable for twin mattresses, as well as the mattresses themselves. While there are several twin mattress options on the IKEA site that would fit bunk beds, the most affordable is definitely the HUSVIKA spring mattress:

Featuring high quality Bonnell springs, the HUSVIKA mattress fully supports the whole body while sleeping. It also arrives roll packed, which means it will likely take a few days (specifically 72 hours) to regain its full shape and air out suitably for slumber — so be patient.

The height and width of this mattress fit exactly in most children's extendable/trundle beds:

They also fit perfectly for most kids' daybeds, so they're almost certainly a good fit for most bunk beds, too.

There's also a 25-year Limited Warranty available with the HUSVIKA.

Sizing

The size of the HUSVIKA spring mattress is as follows:

  • Length: 74 3/8 " (189 cm)
  • Width: 38 1/4 " (97 cm)
  • Thickness: 5 1/8 " (13 cm)

Where to buy/pricing

You can get the Husvika spring mattress for $120 on the IKEA website, or possibly at a physical IKEA store near you. Find IKEA discount codes here before you shop.

Pros: 

  • Comfortable and supportive for sleep
  • Affordable
  • The HUSVIKA is known to be the best IKEA mattress for children
  • Good for those with allergies or sensitive skin
  • Excellent for front and back sleepers (side sleepers may want to try a different model)

Cons:

  • Some feel that the longevity of the HUSVIKA mattress is not as good as it could be

Bottom line:

IKEA's HUSVIKA mattress has all the qualities parents are seeking when they're shopping for a bunk bed mattress — especially affordability! It may not last as long as other mattresses, but, then again, your kids won't stay little for very long either.

Dorel Home Quilted Mattress

We took a dive into Walmart's bunk bed mattress selection, and found this gem: the Dorel Home Quilted Mattress.

Score! This mattress has no toxicity or safety warnings on it at all, it's Earth-friendly to boot (contains 50% or more pre-consumer recycled content), and it has GREENGUARD GOLD Certification

Sizing

  • Length: 71"
  • Width: 39"
  • Thickness: 6"

Where to buy/pricing

You can get this mattress on the Walmart website for $49. You can also find Walmart coupon codes here.  Walmart supports Promo Codes and Offer codes on their Website.

Pros:

  • Comes in fuchsia, navy, and tan
  • Has a comfy quilted design cover
  • Ideal for bunk beds, daybeds, roll-out beds and twin size beds
  •  Has GREENGUARD GOLD Certification.
  •  Can even be taken camping

Cons:

  • Some complained this model is thinner than other twin mattresses and feels more like a futon mattress 

Bottom line:

People liked the color options and most reviewers felt this was a decent bunk bed for their children. Great for smaller kids who aren't very heavy. Adults and larger kids, please keep it movin'. This one won't work for you. Also, if you try it out and find you don't like it, there are 3 ways to do easy Walmart returns here.

LUCID Gel Memory Foam Mattress

Next up we checked for the highest rated affordable bunk bed mattress on Amazon. When we searched for that criteria, there were a few within range (we're trying to stay under $100, or, if not possible, then as close to $100 as possible), but the best price for the best bunk bed mattress we saw was this:

The LUCID 5 inch Gel Memory Foam Mattress is ideal for bunk beds as well as twin bed frames and other similar slumber setups. 

The gel memory foam helps kids sleep cool and conforms to your body. There's a ventilated cooling layer and a supportive base foam layer, as well as open cell construction for  greater durability. 

Easy to move around and CertiPUR-US certified, this mattress is also dust mite-resistant.

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 5"

Where to buy/pricing

You can get this bunk bed mattress on Amazon for $94.98. Try looking for Amazon promo codes before you shop, too.

Pros:

  • Maintains 4.3 out of 5 stars after 2,104 reviews on Amazon
  • Comes with a 10-year Warranty in the U.S.
  • Most reported it's very comfortable
  • Some insist sleeping on this mattress relieved their chronic back pain
  • Perfect for bunk beds and lofts

Cons:

  • Some felt it didn't expand to the full 5 inches
  • Some complained of the smell at unboxing; others said the smell was barely noticeable

Bottom line:

This is another excellent bunk bed mattress for kids. Adults even sleep on it occasionally and give it high praises. Always give rolled mattresses a chance to fill out and offgas, maybe at least 3 days, before sleeping on them. After this, if they're still not expanded to your liking or the smell is sticking around, check Amazon's refund policies here.

Zinus Green Tea Memory Foam Pressure Relief Mattress 

Moving along, we came upon a treasure at the Zinus website. Our most lovely and perfect bunk bed mattress yet, in the most suitable and ideal bunk bed mattress size, came with all sort of other perks — and all for only $104.

First, making a mattress out of green tea extract and ActivCharcoal is really cutting edge and sounds refreshing and healthy as heck. Did that description say we'd smell like green tea when we woke up on this mattress? Yum! Second, these beds are CertiPUR-US certified, meaning the memory foam is safe and free of toxic chemicals. 

Third, there's a light, airy design with strategic pressure relief and conforming contour memory foam to optimize your comfort. Who doesn't love this for their kids bunk beds??

As a 6-inch twin mattress, the bunk bed sleepers can enjoy a firm feel to their mattress - which they can test out over a lengthy 100-night in-home trial! If they decide they don't like it? Return it! There's no risk here.

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 5"

Where to buy/pricing

You can get this bunk bed mattress on the Zinus website for $104. Be sure to check for Zinus discount codes before you shop!

Pros:

  • Maintains 4.5 out of 5 stars after 504 reviews on the Zinus website
  • Free shipping
  • Mattresses regain their shape quickly after unboxing
  • No overwhelming smell
  • Some insist their sleep problems are alleviated with these mattresses (i.e. restlessness, etc.)

Cons:

  • It takes 7-10 days for shipping
  • Some reported the offgassing smell lingered and/or their skin was too sensitive for the mattress

Bottom line:

Most customers love these as exemplified by the reviews on the Zinus site. With the long in-home trial offered, you should definitely give it at least a few weeks to decide. If your mattress' smell lingers, keep it in a room with all windows open for as long as possible and/or vacuum it. For skin reactions, consult your physician (most did not have this issue, just fyi.)

Signature Sleep Stargaze Mattress

When you need a cheap bunk bed mattress set, Sears must not be missed. While other stores, like Overstock, also carry this type of mattress, nowhere else offered it anywhere close to as cheaply as Sears.

The Signature Sleep Stargaze Mattress is available in Twin and Full Sizes, designed specially for growing kids. You can also Receive on Mattresses at Sears Up to 60% Off.

Sizing

For the full mattress: 

  • Length: 75"
  • Width: 54"
  • Thickness: 5"

For the twin mattress:

  • Length: 75"
  • Width: 39"
  • Thickness: 5"

Where to buy/pricing

You can buy this at Overstock.com for $107.99, on the Sears website for $90.27, or on Amazon for $102.83. 

Pros:

  • CertiPUR-US certified foam holds its shape well - also is made  without PBDEs, TDCPP or TCEP flame retardants, ozone depleters, mercury,  lead, heavy metals or phthlates regulated by the Consumer Safety  Product Commission.
  • Foam is low in VOC emissions for indoor air quality
  • Pressure point relieving core design
  • Soft knit polka dot fabric cover

Cons:

  • Some reported it wasn't thick enough for adult beds and felt "more like a topper" (it's designed for kids, however, so keep that in mind)
  • Some felt theirs did not expand to the full 5 inches

Bottom line:

These are kids' mattresses, so unless you are kid-sized, they probably won't work out for you - unless you plan to use it as a 'topper' like some have suggested. This mattress maintains a solid 4 stars after 26 reviews on Amazon and 5 stars on Sears after 1 review. We think they'll work fine in your bunk beds.

Serta Allerton Mattress

Big Lots has all sorts of treasures for anyone with time to browse around in there. Today they've got the perfect bunk bed mattress too — the Serta Allerton Firm Twin Mattress.

And with 4.5 stars after 255 reviews on the Big Lots website, we think it's probably a pretty darned good deal.

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 7"

Where to buy/pricing

Unfortunately for this bunk bed mattress, you'll need to physically go to a Big Lots store — and the mattress retails for $99. Yes, I know, nobody likes to leave the house anymore, but this is important. Use this store locator to find one near you. Before you pack up & go, make sure you look for Big Lots promo codes first. 

Pros:

  • An excellent value
  • Great for a kid's mattresses; some adults like it too
  • Durable and comfortable
  • Holds shape well over time
  • Good support

Cons:

  • Some felt it was either too hard, too soft, or lumpy
  • Some reported it developed an indentation over time

Bottom line:

Naysayers aside, this is likely a fantastic deal if you have a Big Lots near you. With the reviews the way they are, we think if you're in need of a bunk bed mattress for cheap, you should probably head over there today.

Serta Skyfield Twin Mattress

There's a "blue light special" on this one — especially if you're a Kmart member! 

Constructed with patented Serta PillowSoft Foam, the lush Skyfield Firm mattress contours the body for enhanced comfort and is ideal for bunk beds and daybeds.

The offset coil design of the SertaFlex Innerspring increases flexibility and responsiveness while the improved surface coverage strengthens mattress edges.

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 5"

Where to buy/pricing

Get this bunk bed mattress at Kmart. It's $139.99, but you'll get $10 off as a Kmart member. You can also opt for free store pickup — use the store locator here to find a location near you. Also, you can find Kmart coupon codes here.

Pros:

  • Maintains a 4.5 star rating on the Kmart site after 81 reviews
  • Firm but soft enough to cradle you to sleep
  • Great value for the buck
  • Perfect for kids and for bunk beds

Cons:

  • Some felt it could be a bit thicker

Bottom line:

You can't go wrong with a bunk bed mattress at this price — especially if you're a Kmart member! Plenty of high ratings from those who've purchased it previously, and 95% of those customers would recommend this product.

Linenspa Gel Memory Foam Mattress

There are definitely some sweet bunk bed mattress deals going on over at Houzz right now. $81.99 for a Linenspa 5 inch Gel Memory Foam mattress? Shut the front door!

The Linenspa 5 Inch Gel Memory Foam mattress has an inch of pressure-relieving gel at the surface that keeps kids cool as they sleep. High density foam and a firm foundation layer rest underneath it to create support, and the breathable fabric cover on the outside is removable for washing. Perfect for bunk beds and trundle beds.

Sizing

  • Length: 74"
  • Width: 38"
  • Thickness: 5"

Where to buy/pricing

You can get this mattress on Houzz for $81.99. Be sure to look for Houzz discount codes as well.

Pros:

  • Maintains 4.5 stars from previous customers on the Houzz site
  •  Prompt delivery and free shipping throughout the contiguous U.S.
  • Firm but gives just enough for great comfort
  • Removable cover
  • Super cozy and perfect for bunk beds
  • Comes with a 10 year warranty

Cons:

  • Free shipping is not available to AK, HI, PR or Canada.

Bottom line:

This price is phenomenal for a kids' memory foam bunk bed mattress, so if you think yours would like this one, might as well grab it! Don't worry — if they don't, there's a 30-day return policy.

Home Life Euro Top Luxury Mattress

Yep, that does say $53.99 for this Harmony Sleep 8-Inch Spring Luxury Mattress Green Foam Certified Twin mattress

Ready to see what's in this mattress? Start with the cushy Euro Top with Comfort Firm Feel, specially designed  for people with back issues, then dig down to the high quality 100%  Green Certified Foam and polyester layering over coverings and coils for the most comfort you'll likely experience in a mattress. And for a bunk bed to boot? Guess those kids'll get used to some good sleeping then — nothing wrong with that!

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 8"

Where to buy/pricing

You can get this bunk bed mattress on Amazon for only $53.99. Remember, you can look here for Amazon promo codes.

Pros:

  • Pops back into shape quickly after unboxing
  • Hardly any offgassing or odor
  • Very soft and comfy
  • Maintains 4.5 stars after 733 reviews on Amazon

Cons:

  • Some felt the mattress was "just ok", not great
  • Some reported their mattress was hard and they could feel the springs inside

Bottom line:

With the number of positive reviews to negative and the price being so amazingly low, it seems like a no-brainer — but you decide. It's for a bunk bed, remember. And if it comes down to it, you can always return it.

Modway Emma Twin Mattress

Finally, we couldn't pass up this mattress price at Home Depot for a 6 inch memory foam Emma mattress from Modway.

Perfect for kids and bunk beds, this one comes rolled and vacuum sealed to your doorstep. Not too soft and not too firm, you'll loved ones will be sleeping soundly when you unbox this gem and place it in their bunk bed frame!

Sizing

  • Length: 75"
  • Width: 39"
  • Thickness: 6"

Where to buy/pricing

This one's at Home Depot for $80.75. Find Home Depot promo codes here

Pros:

  • Maintains a 4.4 out of 5 rating from previous customers on the Home Depot site
  • Lightweight and easy to maneuver
  • Comfortable
  • Pops back into its original shape within hours of unboxing
  • Prompt delivery and easy setup

Cons:

  • Some reported part of their mattress did not properly decompress after unboxing (contact Home Depot if this occurs and they will replace)

Bottom line:

This is a marvelous deal and most who've purchased it are pleased with their Emma mattress. Take care when unboxing to release all parts of the mattress and let it sit for at least 24 hours or more. Any problems, give Home Depot a call. They'll likely refund or replace anything defective.

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