How to Get the Best Deal on a King Size Mattress

A king size mattress is one of the bigger purchases you'll make for your bedroom. Get it right and you'll sleep well for a decade. Get it wrong and you'll feel it every morning. This guide covers what to look for, how to compare options, and how to find genuine value — not just a low sticker price.

02Is a King Size Mattress Right for You?

A standard king measures 76" × 80". A California king is 72" × 84" — narrower but longer, better for taller sleepers. Before you buy, consider:

  • Room size: You generally want at least 2–3 feet of clearance on each side. A king in a 10×10 room will feel cramped.
  • Sleeping partners: King is ideal for couples, especially if one of you moves around a lot or sleeps hot.
  • Height: If you're 6'2" or taller, a California king gives you more legroom.
  • Frame compatibility: Make sure your bed frame, foundation, or adjustable base fits king dimensions before you order.

If you're unsure whether king or California king is the better fit, our showroom teams can walk you through the difference in person. Find a location near you.

03King Mattress Types: Which Is Worth the Money?

The type of mattress matters as much as the price tag. Here's a practical breakdown:

Type Best For Tradeoffs
Innerspring Budget-conscious buyers, back/stomach sleepers, hot sleepers Less pressure relief, can transfer motion
Memory Foam Side sleepers, couples with motion sensitivity, pressure relief Can retain heat, some feel "stuck"
Hybrid Most sleepers — combines coil support with foam comfort Heavier, often costs more
Latex Natural material seekers, responsive feel, hot sleepers Higher price, heavier weight
Pillow Top / Euro Top Plush feel seekers, side sleepers Softer top can compress over time

Browse our full king mattress collection to compare models by type and price.

04Firmness: The Factor Most People Get Wrong

Firmness is personal — but your sleep position narrows it down quickly.

  • Side sleepers: Softer to medium. You need cushioning at the shoulder and hip to keep your spine neutral.
  • Back sleepers: Medium to medium-firm. You want support without the mattress pushing back hard at your lumbar.
  • Stomach sleepers: Firm. Anything too soft lets your hips sink, which arches your lower back.
  • Combination sleepers: Medium is usually the safest bet.

Couples who disagree on firmness have two good options: a split king (two twin XLs side by side, each set to different firmness) or a medium-feel mattress that works reasonably well for both.

See our full mattress collection filtered by feel, or ask a sleep expert in-store to help you narrow it down.

05What Actually Makes a King a Good Deal

A low price isn't the same as good value. Here's what to evaluate before buying:

1. Comfort Layer Thickness

More comfort foam isn't always better, but less than 2–3 inches of quality comfort material often feels unsupportive or thin. Look at the full spec sheet, not just the total height.

2. Coil Count (for hybrids and innerspring)

More coils generally means better contouring and motion isolation in a king. Look for individually pocketed coils if motion isolation matters to you.

3. Edge Support

A king mattress with poor edge support loses usable sleeping space. If you or your partner sleep near the edge, this matters.

4. Warranty and Trial Period

A mattress is a long-term investment. A 10-year warranty minimum is standard. A sleep trial (like our 120-Night Comfort Guarantee) lets you actually sleep on it before committing.

5. Brand Reputation

Brands like Tempur-Pedic, Sealy, Stearns & Foster, Diamond, Spring Air, and Englander have a track record. Unknown brands with deep discounts often cut corners on materials or durability.

6. Delivery and Setup

White glove delivery — where the team brings it up, sets it up, and hauls away your old mattress — is worth something. Ask before you buy.

06How to Shop Smart for a King Mattress

Try Before You Buy

No photo or spec sheet replaces lying on a mattress. Give each mattress at least 10 minutes in your actual sleep position. Bring your partner if you share a bed. Our 5 LA showrooms carry a wide selection you can test in person. Find the closest location.

Know When Sales Happen

The best times to find genuine deals on king mattresses are:

  • Holiday weekends (Memorial Day, Labor Day, Presidents Day)
  • Black Friday and Cyber Monday
  • End-of-year clearance (December–January)
  • Floor model and clearance sales year-round

Check our current sale collection for ongoing deals on king sizes.

Consider Financing

Splitting a king mattress purchase over 12–24 months interest-free makes the math easier without forcing you to compromise on quality. Ask about financing options in-store or online.

Don't Over-Buy on Features You Won't Use

Cooling covers, smart sensors, dual-firmness zones — these features add cost. If you sleep cool and don't need specialized features, a well-built hybrid or foam mattress at a mid-range price will outperform a feature-heavy model at the same budget every time.

07Who This Guide Is For

  • Good fit: Anyone upgrading from a queen, couples who feel cramped, tall sleepers, people with a large master bedroom
  • Not the right size if: Your bedroom is under 12×10 feet, you sleep alone and rarely move, or you're on a tight budget (a high-quality queen often beats a low-quality king)

08Ready to Find Your King?

Stop by any of our 5 LA showroom locations to try king and California king mattresses side by side. Our team can help match you to the right feel, brand, and budget — with no pressure and no upsell.

Find a showroom near you  |  Shop king mattresses online  |  Explore financing options

09Frequently Asked Questions

What's the difference between a king and California king mattress?

A standard king is 76"×80" — wider and better for couples. A California king is 72"×84" — narrower but 4 inches longer, ideal for taller sleepers. They also require different sized sheets and bed frames.

How much should I expect to pay for a quality king mattress?

A solid king mattress from a reputable brand typically ranges from $800 to $2,500, depending on the type and materials. You can find good value in the $1,000–$1,800 range without overspending on unnecessary features. Premium options from brands like Tempur-Pedic or Stearns & Foster go higher.

Is a king mattress worth it for one person?

It depends on your bedroom size and sleep habits. If you move around a lot and have the room for it, a king can feel luxurious. If your room is tight, a queen will often serve you better.

Do I need a special bed frame for a king mattress?

Yes. Standard king and California king require different frame dimensions. Make sure your frame or adjustable base is rated for king size before purchasing. We can help you match a frame to your mattress.

What's the best king mattress for couples?

For couples with different firmness preferences, a medium-feel hybrid usually works well for both. If motion is an issue, look for a mattress with individually pocketed coils or a full-foam design. A split king (two twin XLs) is the most customizable option.

Can I try a king mattress before committing?

Yes. All mattresses purchased through LA Mattress Store come with our 120-Night Comfort Guarantee. If it's not the right fit, we'll exchange it.

What's the best time of year to buy a king mattress?

Major holiday weekends (Memorial Day, Labor Day, Presidents Day) and Black Friday consistently offer the best prices. Clearance events also happen throughout the year. Sign up for our newsletter or check our website for current promotions.