King mattress and King size mattress sets

King size mattress for sale at an RC Willey near you, located in Salt Lake City, Las Vegas, Reno, Sacramento, and Boise.

Check the king size mattress dimensions to make sure it is the right mattress size for you. The average king size mattress length is 80 inches and the average king size mattress width is 76 inches. A king size mattress is great for two adults and especially great if you have kids who have nightmares or animals who refuse to sleep on the floor. RC Willey sells cheap king size mattresses starting at $129.99 and the best king size mattress from Tempur-Pedic, Aireloom and Beautyrest. If you need mattress financing we have a number of payment plans that range from 0% interest to fixed monthly payments.

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Price Range

Split King Wireless Power Adjustable Bed - MottoSleep H100IR Product Overlay ImageSplit King Wireless Power Adjustable Bed - MottoSleep H100IR 130000Blue Burrito Hybrid Memory Foam King Size MattressFree Shipping
KingSplit King
$1099.99$1399.99
Blue Burrito Hybrid Memory Foam MattressStarting at109999
SET Beautyrest Luxury Firm Split King Mattress - Huntington
KingSplit King
$1249.99$1499.99
Beautyrest Luxury Firm Mattress - HuntingtonSETStarting at124999
SET Beautyrest Pillow Top Split King Mattress - Huntington
KingSplit King
$1349.99$1699.99
Beautyrest Pillow Top Mattress - HuntingtonSETStarting at134999
124242-3060 Serta Plush King Size Mattress - Mackay
KingSplit King
$1049.99$1459.98
Serta Plush Mattress - Mackay124242-3060Starting at104999
700753184-1060 Beautyrest Pillow Top King Size Mattress - Southshore
KingSplit King
$949.99$1289.99
Beautyrest Pillow Top Mattress - Southshore700753184-1060Starting at94999
821282-3060 Serta iComfort 200 Plush King Size Mattress - Blue Fusion
KingSplit King
$1699.99$1699.99
Serta iComfort 200 Plush Mattress - Blue Fusion 821282-3060Starting at169999
127346-360 Serta Euro Top King Size Mattress - Mackay
KingSplit King
$1149.99$1659.98
Serta Euro Top Mattress - Mackay127346-360Starting at114999
SET Beautyrest Extra Firm Split King Mattress - Huntington
KingSplit King
$1249.99$1499.98
Beautyrest Extra Firm Mattress - HuntingtonSETStarting at124999
129741-3060 Serta Firm King Size Mattress - Mackay
KingSplit King
$1049.99$1459.98
Serta Firm Mattress - Mackay 129741-3060Starting at104999
700753778-1060 Beautyrest Deerchase Luxury Firm King Size Mattress - Silver Hybrid Elite
KingSplit King
$2299.99$3099.99
Beautyrest Deerchase Luxury Firm Mattress - Silver Hybrid Elite 700753778-1060Starting at229999
Blue Burrito Visco Gel Memory Foam King Size MattressFree Shipping
KingSplit King
$999.99$1199.99
Blue Burrito Visco Gel Memory Foam MattressStarting at99999
SET Serta Luxury Firm Split King Mattress - Traymoor
KingSplit King
$649.99$859.99
Serta Luxury Firm Mattress - TraymoorSETStarting at64999
SET Aireloom Standard King Size Box SpringAireloom Standard King Size Box Spring30000Premier Memory Foam King Size Mattress
KingSplit King
$399.99$499.99
Premier Memory Foam MattressStarting at39999
Memory Foam King Size Mattress with Adjustable BedProduct Overlay ImageMemory Foam King Size Mattress with Adjustable Bed159999SET Beautyrest Luxury Firm Split King Mattress - Southshore
KingSplit King
$849.99$1059.99
Beautyrest Luxury Firm Mattress - SouthshoreSETStarting at84999
208056-3060 Serta Euro Top King Size Mattress - Traymoor
KingSplit King
$749.99$1059.99
Serta Euro Top Mattress - Traymoor208056-3060Starting at74999
700753777-1060 Beautyrest Harrisdale Ultimate Plush King Size Mattress - Silver Hybrid Elite
KingSplit King
$2499.99$3499.99
Beautyrest Harrisdale Ultimate Plush Mattress - Silver Hybrid Elite 700753777-1060Starting at249999
930116-3060 Clearance Sunset LaSalle Euro Top King Size MattressClearance Sunset LaSalle Euro Top King Size Mattress449999297711 Aireloom Luxury Firm King Size Mattress - Sabrina
KingSplit King
$3299.99$5099.99
Aireloom Luxury Firm Mattress - Sabrina9297711Starting at329999
821373-3060 Serta 300 Pillow Top King Size Mattress - Blue Fusion
KingSplit King
$1899.99$2099.99
Serta 300 Pillow Top Mattress - Blue Fusion 821373-3060Starting at189999
Comfort Gel Gelcare Memory Foam King Size Mattress
KingKing
$699.99$899.99
Comfort Gel Gelcare Memory Foam MattressStarting at69999
SET Spring Air Plush Split King Mattress - Windsor
KingSplit King
$499.99$599.99
Spring Air Plush Mattress - WindsorSETStarting at49999
10735170 Tempur-Pedic Medium Hybrid King Size Mattress - TEMPUR-ADAPT
KingSplit King
$2699.00$2998.00
Tempur-Pedic Medium Hybrid Mattress - TEMPUR-ADAPT10735170Starting at269900
700753776-1060 Beautyrest Brockville Firm King Size Mattress - Silver Hybrid Elite
KingSplit King
$2099.00$2699.99
Beautyrest Brockville Firm Mattress - Silver Hybrid Elite 700753776-1060Starting at209900
 Serta iComfort 100 Firm Split King Mattress - Blue Fusion
KingSplit King
$1599.99$1499.99
Serta iComfort 100 Firm Mattress - Blue Fusion Starting at149999
9297880 Aireloom King Size Mattress - Audrey
KingSplit King
$4199.99$6299.99
Aireloom Mattress - Audrey9297880Starting at419999
9297864 Aireloom Extra Firm King Size Mattress - Sabrina
KingSplit King
$3299.99$5099.99
Aireloom Extra Firm Mattress - Sabrina9297864Starting at329999
930112-3060 Clearance Sunset LaSalle Plush King Size MattressClearance Sunset LaSalle Plush King Size Mattress39999825168-3060 Serta iComfort King Size Mattress - Philosopher Plush
KingSplit King
$1799.99$2069.99
Serta iComfort Mattress - Philosopher Plush 825168-3060Starting at179999
825758-3060 Serta iComfort Visionaire Plush King Size Mattress
KingSplit King
$2069.99$2609.99
Serta iComfort Visionaire Plush Mattress 825758-3060Starting at206999
9297694 Aireloom Luxetop Plush King Size Mattress - Angelina
KingSplit King
$5999.99$9299.99
Aireloom Luxetop Plush Mattress - Angelina9297694Starting at599999
10736170 Tempur-Pedic Firm King Size Mattress - TEMPUR-PRO ADAPT
KingSplit King
$3499.00$4598.00
Tempur-Pedic Firm Mattress - TEMPUR-PRO ADAPT10736170Starting at349900
1525SWRCW-1060 Sleep Inc Pillow Top King Size Mattress - Richmond
KingSplit King
$449.99$439.99
Sleep Inc Pillow Top Mattress - Richmond1525SWRCW-1060Starting at43999
9297856 Aireloom King Size Mattress - Rebecca
KingSplit King
$2549.99$3699.99
Aireloom Mattress - Rebecca9297856Starting at254999
9297702 Aireloom Luxetop Plush King Size Mattress - KatherineAireloom Luxetop Plush King Size Mattress - KatherineSave $500469999930096-3060 Clearance Sunset Madison Euro Top King Size MattressClearance Sunset Madison Euro Top King Size Mattress34999Clearance Healthcare Peaceful Nights Hybrid King Size MattressClearance Healthcare Peaceful Nights Hybrid King Size MattressSave $30069999TXL-2PC-BL100XT-LF Serta i-Comfort Blue 100 XT Luxury Firm Split King Size Mattress
KingSplit King
$1599.99$1499.99
Serta i-Comfort Blue 100 XT Luxury Firm MattressTXL-2PC-BL100XT-LFStarting at149999
800478-3060 Serta i-Comfort Blue 500 XT Plush King Size Mattress
KingSplit King
$2299.99$2899.98
Serta i-Comfort Blue 500 XT Plush Mattress 800478-3060Starting at229999
10738170 Tempur-Pedic Soft King Size Mattress - TEMPUR-PRO ADAPT
KingSplit King
$3499.00$4598.00
Tempur-Pedic Soft Mattress - TEMPUR-PRO ADAPT10738170Starting at349900
Healthcare Peaceful Nights Hybrid King Size Mattress
KingSplit King
$1199.99$1499.99
Healthcare Peaceful Nights Hybrid MattressStarting at119999
SET Spring Air Pillow Top Split King Mattress - Windsor
KingSplit King
$699.99$799.99
Spring Air Pillow Top Mattress - WindsorSETStarting at69999
12 Inch Luxury Gel Memory Foam King Size Mattress12 Inch Luxury Gel Memory Foam King Size Mattress89999Luxury Gel King Size Mattress with Adjustable BedProduct Overlay Image
KingSplit King
$1999.99$2299.98
Luxury Gel Mattress with Adjustable BedStarting at199999
10737170 Tempur-Pedic Medium King Size Mattress - TEMPUR-PRO ADAPT
KingSplit King
$3499.00$4598.00
Tempur-Pedic Medium Mattress - TEMPUR-PRO ADAPT10737170Starting at349900
10734170 Tempur-Pedic Medium King Size Mattress - TEMPUR-ADAPT
KingSplit King
$2699.00$2998.00
Tempur-Pedic Medium Mattress - TEMPUR-ADAPT10734170Starting at269900
SET Beautyrest SmartMotion 1.0 Split King Adjustable BedBeautyrest SmartMotion 1.0 Split King Adjustable Bed149999ComfortGel California King Mattress with Adjustable BedProduct Overlay Image
Cal-KingSplit King
$1799.99$2099.98
ComfortGel Mattress with Adjustable BedStarting at179999
SET King Size Adjustable Bed - Serta Motion Perfect III
KingKing
$2800.00$2100.00
Adjustable Bed - Serta Motion Perfect III SETStarting at210000
801888-3060 Serta i-Comfort Blue 300 XT Luxury Firm King Size Mattress
KingSplit King
$1999.99$2299.99
Serta i-Comfort Blue 300 XT Luxury Firm Mattress 801888-3060Starting at199999
SET Clearance Serta iComfort Hybrid Firm Split King Mattress - Applause IIClearance Serta iComfort Hybrid Firm Split King Mattress - Applause IISave $5009999910292270 Tempur-Pedic King Size Mattress - TEMPUR-Flex Supreme Breeze
KingSplit King
$4499.00$6598.00
Tempur-Pedic Mattress - TEMPUR-Flex Supreme Breeze10292270Starting at449900
930092-3060 Clearance Sunset Madison Plush King Size MattressClearance Sunset Madison Plush King Size Mattress2799910109270 Tempur-Pedic King Size Mattress - TEMPUR-Cloud Luxe Breeze
KingSplit King
$5499.00$8399.00
Tempur-Pedic Mattress - TEMPUR-Cloud Luxe Breeze10109270Starting at549900
KM-10116170 Tempur Supreme King Size Mattress - FlexTempur Supreme King Size Mattress - Flex34990010103270 Tempur-Pedic King Size Mattress - TEMPUR-Cloud Supreme Breeze
KingSplit King
$4499.00$6598.00
Tempur-Pedic Mattress - TEMPUR-Cloud Supreme Breeze 10103270Starting at449900
930082-3060 Clearance Sunset Ruby Plush King Size MattressClearance Sunset Ruby Plush King Size Mattress1799910290270 King Mattress - TEMPUR-Contour Elite Breeze
KingSplit King
$4999.00$7598.00
Mattress - TEMPUR-Contour Elite Breeze10290270Starting at499900
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