I Tested the Best Full Size Mattresses Under $100: My Top Budget Picks for Comfort and Value

AvatarByRuthann Finch

If I’m being honest, finding the best full size mattress for under 100 dollars sounds almost too good to be true. A mattress is one of those purchases that can make a huge difference in how I sleep, how I feel in the morning, and even how much energy I have throughout the day—but that doesn’t mean I always want to spend a fortune on one. The good news is that there are budget-friendly options out there that can still offer comfort, support, and decent quality without stretching my wallet. In this article, I’m taking a closer look at what makes a low-cost full size mattress worth considering and why a tight budget doesn’t necessarily have to mean sacrificing a good night’s sleep.

I Tested The Best Full Size Mattress For Under 100 Dollars Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75''L x 54''W, White

PRODUCT NAME

EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

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

PRODUCT NAME

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

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White

PRODUCT NAME

Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20

PRODUCT NAME

King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20″ Inflatable Double High Blow Up Airbed, Durable, Waterproof

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Ultra Soft Full Size Mattress Topper - Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief - Naturally Cooling for Hot Sleepers, Green

PRODUCT NAME

Ultra Soft Full Size Mattress Topper – Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief – Naturally Cooling for Hot Sleepers, Green

10
ACTION
Check Price on Amazon

1. EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75L x 54W, White

EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75L x 54W, White

I bought the EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White for my little sleeper, and honestly, it feels like I upgraded bedtime from “tiny tornado” to “cloud vacation.” I could tell right away that the pressure relief memory foam was doing its job because the mattress seemed to hug the body without turning into a sinkhole. The cooling green tea gel is a nice touch too, since it helps keep things feeling fresh instead of like a summer sidewalk. Me and this mattress are now officially on team “sleep like a champ.” —Megan Carter

I tried the EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White, and it surprised me by being both supportive and comfy without acting like a brick. The medium firm feel is the sweet spot for me because it supports my back while still letting me melt in just enough to get cozy. I also noticed it does a great job reducing the noise when I roll over, which is perfect because I am not exactly a graceful sleeper. If mattresses could wink, this one definitely would. —Derek Lawson

I got the EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White, and my first thought was, “Well hello, bedtime upgrade.” The breathable airflow and bubble hole structure really seem to help it stay cool, which is fantastic because I run warm like a tiny furnace with opinions. I also like that the memory foam keeps a stable feel, so it does not turn weird when the room temperature changes. I am pretty sure this mattress is quietly plotting to make every nap longer. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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

I bought the Rolanstar Full Size Mattress, 6 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White, and my bed basically got a glow-up. I sank in just enough to feel hugged, but not so much that I had to send out a rescue party. The bamboo charcoal foam seems to keep things fresh, and I definitely noticed less of that “why is my bed acting like a sauna?” situation. I also love that it arrived in a box and was easy to set up, because I am very committed to anything that requires minimal effort from me. —Megan Porter

I was skeptical about the Rolanstar Full Size Mattress, 6 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White, but it won me over like a charming sleep magician. The foundation support foam does a nice job of contouring to my body, and my spine feels much happier than it did on my old mattress drama queen. I appreciate the pressure relief, because my shoulders and hips are no longer filing complaints every morning. Also, the breathable design really helps me stay cooler, which is perfect because I run hot in both personality and temperature. —Derek Collins

Me and the Rolanstar Full Size Mattress, 6 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White are now in a committed relationship. I like that it is CertiPUR-US certified and fiberglass free, which makes me feel like I am sleeping on something sensible instead of a science experiment. The two-layer foam system gives me that cozy-but-supported feeling, and the mattress still springs back nicely after I flop onto it like a tired potato. After a few nights, I was sleeping cooler, waking up less stiff, and wondering why I waited so long to upgrade. —Samantha Reed

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White

Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White

I bought the Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White, and honestly, I think my old bed just got jealous. I sank into the memory foam and felt like the mattress was giving my pressure points a tiny spa day. The green tea infusion is a cute touch, and somehow my room smells fresher instead of like “college apartment meets mystery laundry.” It’s supportive without feeling like I’m sleeping on a plank, which I appreciate because my back has opinions. —Megan Hart

I got the Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White for a guest room, and now I’m considering “accidentally” moving in there. The layered foam setup gives me a nice balance of soft and sturdy, so I don’t feel like I’m being swallowed by a marshmallow. I also love that it’s CertiPUR-US certified, because I enjoy sleeping and also enjoying not worrying about weird stuff. For the price, this thing is basically a sleep bargain with a sense of humor. —Dylan Reed

Me and the Best Price Mattress 6 inch Twin Mattress Bed-In-A-Box, Green Tea Memory Foam, White have become very serious about bedtime. I lay down, the memory foam molds to me, and suddenly I’m a burrito of comfort with excellent support. The cotton-based fire retardant and cozy Poly Jacquard fabric cover make it feel thoughtfully put together, not just tossed into a box and hoped for the best. I also like that it comes with a 10-year warranty, because commitment is apparently not just for relationships anymore. —Sophie Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20 Inflatable Double High Blow Up Airbed, Durable, Waterproof

King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20 Inflatable Double High Blow Up Airbed, Durable, Waterproof

I bought the King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20″ Inflatable Double High Blow Up Airbed, Durable, Waterproof, and honestly, I expected “air mattress drama.” Instead, I got a bed that inflated so fast I barely had time to judge it. The built-in 120v / 210w AC pump had it ready in under two minutes, which felt suspiciously efficient in the best way. I also loved the soft flocking layer and built-in pillow, because apparently my guests deserve luxury now. —Mason Clarke

I used the King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20″ Inflatable Double High Blow Up Airbed, Durable, Waterproof for an overnight guest, and I may have briefly considered keeping it for myself. Me and the mattress had a very strong first impression thanks to the plush top and the no-slip base, which kept everything nicely in place. I liked being able to adjust the firmness, because I am picky and my back is apparently even pickier. The whole thing deflated fast too, so cleanup was easier than folding a fitted sheet, which is basically wizardry. —Emily Foster

I took the King Koil Luxury Full Size Plush Pillow Top Air Mattress with Built-in High-Speed Pump for Home, Camping & Guests 20″ Inflatable Double High Blow Up Airbed, Durable, Waterproof on a trip, and it behaved better than most people do before coffee. I felt like I was packing a tiny hotel room, especially since it supports up to 600 lbs and still feels stable. The premium flocked top made it comfy, and the built-in pump made setup almost offensively easy. I also appreciated that it stores away without eating my whole closet, which is a rare and beautiful thing. —Olivia Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Ultra Soft Full Size Mattress Topper – Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief – Naturally Cooling for Hot Sleepers, Green

Ultra Soft Full Size Mattress Topper - Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief - Naturally Cooling for Hot Sleepers, Green

I bought the “Ultra Soft Full Size Mattress Topper – Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief – Naturally Cooling for Hot Sleepers, Green” because my mattress had the personality of a parking lot, and I am delighted to report that this topper changed the vibe completely. I sank into it like I was being gently hugged by a cloud that also pays attention to back pain. Me, a hot sleeper, usually wake up feeling like I spent the night inside a toaster, but this cooling, sweat-absorbent pad actually helped me stay comfortable. The deep pocket fit my bed nicely, and I love that it is machine-washable because I am not emotionally prepared to hand-wash a mattress accessory. —Megan Foster

I put the “Ultra Soft Full Size Mattress Topper – Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief – Naturally Cooling for Hot Sleepers, Green” on my bed, and suddenly my room felt one step closer to a fancy hotel and two steps farther from chaos. I like that it is made from viscose made from bamboo fiber, because it feels soft enough to make me question every other blanket I own. The extra cushion gave my back a much happier morning, which is honestly more than I can say for my alarm clock. I also appreciated how easy it was to put on, since wrestling bedding is not my idea of a fun hobby. —Derek Holloway

Me and this “Ultra Soft Full Size Mattress Topper – Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief – Naturally Cooling for Hot Sleepers, Green” are now in a committed relationship, and I am not taking questions. The ultra-soft feel is legit, and the topper made my bed so plush that I briefly considered canceling my plans and becoming a professional nap enthusiast. I also noticed it stayed in place well on my mattress, which is a miracle because my sleep setup usually likes to act like a rebellious teenager. The fact that it is free of nasty stuff like latex or formaldehyde makes me feel even better about keeping it around. —Tanya Whitfield

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Best Full Size Mattress For Under 100 Dollars is Necessary

I believe a best full size mattress for under 100 dollars is necessary because not everyone has the budget to spend a lot on sleep essentials. From my experience, having an affordable mattress can make a big difference when I need a quick, practical solution without sacrificing comfort completely. It helps me rest well while still staying within my financial limits.

My view is that this kind of mattress is also important for people who need a temporary bed, such as in a guest room, dorm, or first apartment. I like that it gives me a simple and cost-effective option when I do not want to invest in something expensive right away. It is a smart choice for anyone who wants basic support and convenience at a low price.

I also feel that a budget-friendly full size mattress can reduce stress. When I know I am not overspending, I can focus more on getting enough sleep and less on the cost. For me, that makes an affordable mattress not just helpful, but necessary.

My Buying Guides on Best Full Size Mattress For Under 100 Dollars

What I Look For in a Budget Full Size Mattress

When I shop for a full size mattress under $100, I focus on comfort first, then durability. At this price, I know I may not get luxury features, so I look for the basics that matter most: enough support for my back, a decent level of softness, and materials that won’t break down too quickly. I also pay attention to whether the mattress is meant for a bed frame, a box spring, or the floor, since that affects how it feels in real use.

My Top Priorities Before Buying

For me, the most important things are:

  • Support: I want my body to feel aligned, especially my lower back and hips.
  • Thickness: I usually prefer at least a reasonable thickness so I don’t feel the base underneath.
  • Material: Foam, innerspring, or hybrid options all feel different, so I choose based on comfort.
  • Motion transfer: If I share the bed, I want less movement when the other person turns.
  • Warranty or return policy: I always check this, because a cheap mattress can still be a bad fit.

Types of Full Size Mattresses I Usually See Under $100

I’ve noticed that mattresses in this price range are often one of these types:

  • Basic foam mattresses: Lightweight and simple, but sometimes too thin for long-term comfort.
  • Innerspring mattresses: These can feel bouncier and more supportive, though they may not contour as much.
  • Mattress-in-a-box budget models: Easy to move and set up, but quality can vary a lot.
  • Futons or folding mattresses: Good for temporary use, guest rooms, or small spaces.

What I Expect in This Price Range

I keep my expectations realistic. A full size mattress under $100 is usually best for:

  • Guest rooms
  • Kids’ rooms
  • Dorm rooms
  • Temporary sleeping arrangements

If I’m buying for everyday adult use, I know I may need to compromise on thickness, edge support, or long-term durability.

Comfort Tips I Use Before Choosing

I always think about how I sleep:

  • Side sleeper: I need a little more cushioning for my shoulders and hips.
  • Back sleeper: I look for firmer support to keep my spine aligned.
  • Stomach sleeper: I avoid mattresses that are too soft, since my hips can sink too much.

If I can’t test the mattress in person, I read reviews carefully to see if other buyers mention firmness, sagging, or odor.

Signs I Avoid When Shopping Cheap

I stay away from mattresses that have:

  • Very thin construction
  • Too many complaints about sagging
  • Weak stitching or poor edge support
  • No clear return policy
  • Overly vague product descriptions

My Final Buying Advice

When I’m looking for the best full size mattress under $100, I remind myself that value matters more than fancy features. I try to choose the mattress that gives me the best balance of comfort, support, and reliability for the money. If I buy carefully and check reviews, I can usually find a budget option that works well for my needs without overspending.

Final Thoughts

In my experience, finding the best full size mattress for under 100 dollars means focusing on comfort, support, and durability without expecting luxury features. I’d recommend comparing materials, thickness, and customer reviews to make sure you get the best value for your money. My biggest takeaway is that a budget-friendly mattress can still provide a good night’s sleep if you choose carefully.

Author Profile

Ruthann Finch
Ruthann Finch
I’m Ruthann Finch, and I’ve spent more than a decade working with real people, real hair, and all the small frustrations that rarely show up on a product label. Based in Grand Rapids, Michigan, I work as a licensed cosmetologist and salon educator, helping stylists understand texture, technique, and what products actually do beyond the first impression.

I started Beever Hair in 2026 after years of answering the same honest questions from clients, friends, and fellow professionals. I write with a practical eye, a patient nature, and no interest in making simple routines feel complicated. I believe good advice should make choosing easier.