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Mattress on sale Costco

There are 2 new Mattress offers available at Costco starting from 26-08-2026.

Stores 1
Costco
Canadian Tire
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2 of 230 offers
Costco
Costco Sealy Posturepedic Georgina twin mattress offer
Save $50

Sealy Posturepedic Georgina twin mattress

4 days
$249.99
$199.99
Costco
Costco Borealis Queen Cabinet Bed with Drawer & Mattress offer
-23%

Borealis Queen Cabinet Bed with Drawer & Mattress

4 days
$1,688.30
$1,299.99

Stores with Mattress in their assortment

Leon's

Leon's

The Brick

The Brick

Sleep Country

Sleep Country

Dormez Vous

Dormez Vous

JYSK

JYSK

Sushi Shop

Sushi Shop

Surplus Furniture

Surplus Furniture

Canadian Tire

Canadian Tire

Walmart

Walmart

Costco

Costco

Canac

Canac

Bed Bath & Beyond

Bed Bath & Beyond

Bad Boy Superstore

Bad Boy Superstore

Oxford Mills

Oxford Mills

Linen Chest

Linen Chest

Patrick Morin

Patrick Morin

Ashley Furniture

Ashley Furniture

Princess Auto

Princess Auto

TSC Stores

TSC Stores

Wayfair

Wayfair

Best Buy

Best Buy

IKEA

IKEA

Len's Mill Stores

Len's Mill Stores

Meubles RD

Meubles RD

Nearest Costco branch

This Mattress on sale Costco is available in the following branches based on your set location:

Toronto
Automatically locate
Costco logo
CostcoM4H1B6 Toronto
4.25 km
Costco logo
CostcoM3K2C8 Toronto
5.60 km
Costco logo
CostcoM1L0E6 Scarborough
10.05 km
All locations

Mattress price Costco🕒

OfferNameStoreRegular priceOffer pricePromotionStart dateEnd date
Costco Sealy Posturepedic Georgina twin mattress offerSealy Posturepedic Georgina twin mattressCostco$249.99$199.99Save $5017 August 202630 August 2026
Costco Kirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Pillowtop Mattress offerKirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Pillowtop MattressCostco$1,499.9917 August 202623 August 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$649.9917 August 202623 August 2026
Costco Kingsdown Passions Auburnwood Hybrid Euro Pillowtop Mattress offerKingsdown Passions Auburnwood Hybrid Euro Pillowtop MattressCostco$1,582.27$1,249.99-21%17 August 202623 August 2026
Costco Springwall Chiropractic Hybrid 35.5 cm (14 in.) Mattress offerSpringwall Chiropractic Hybrid 35.5 cm (14 in.) MattressCostco$1,299.9917 August 202623 August 2026
Costco Kingsdown Insignia Iconic 38.1 cm (15 in) Hybrid Mattress offerKingsdown Insignia Iconic 38.1 cm (15 in) Hybrid MattressCostco$2,099.9917 August 202623 August 2026
Costco Napier - Sportz SUV Tent with Screen Room and Air Mattress Bundle offerNapier - Sportz SUV Tent with Screen Room and Air Mattress BundleCostco$499.9917 August 202623 August 2026
Costco Sealy Posturepedic Rory Medium Twin Mattress or Set offerSealy Posturepedic Rory Medium Twin Mattress or SetCostco$399.9917 August 202623 August 2026
Costco Beautyrest 35.6 cm (14 in.) Hybrid Mattress offerBeautyrest 35.6 cm (14 in.) Hybrid MattressCostco$897.42$699.99-22%17 August 202623 August 2026
Costco GhostBed All-in-one Mattress Foundation offerGhostBed All-in-one Mattress FoundationCostco$239.9910 August 202616 August 2026
Costco Sealy Posturepedic Georgina twin mattress offerSealy Posturepedic Georgina twin mattressCostco$249.99$199.99$50.00 Discount03 August 202616 August 2026
Costco Simmons Carlisle - 26.7 cm (10.5 in.) Mattress or Set offerSimmons Carlisle - 26.7 cm (10.5 in.) Mattress or SetCostco$721.51$569.99-21%03 August 202609 August 2026
Costco Napier - Sportz SUV Tent with Screen Room and Air Mattress Bundle offerNapier - Sportz SUV Tent with Screen Room and Air Mattress BundleCostco$499.9903 August 202609 August 2026
Costco Kirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Tight Top Mattress offerKirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Tight Top MattressCostco$1,699.9927 July 202602 August 2026
Costco Kirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Tight Top Mattress offerKirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Tight Top MattressCostco$1,599.9920 July 202626 July 2026
Costco Beautyrest 35.6 cm (14 in.) Hybrid Mattress offerBeautyrest 35.6 cm (14 in.) Hybrid MattressCostco$899.9906 July 202612 July 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$649.9906 July 202612 July 2026
Costco Arianell 25.4 cm (10 in.) Pillow Top Medium Firm Mattress offerArianell 25.4 cm (10 in.) Pillow Top Medium Firm MattressCostco$599.9906 July 202612 July 2026
Costco Serta Treasure 29.2 cm (11.5 in.) Mattress or Set offerSerta Treasure 29.2 cm (11.5 in.) Mattress or SetCostco$1,299.9906 July 202612 July 2026
Costco Beautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or Set offerBeautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or SetCostco$1,099.9906 July 202612 July 2026
Costco NSC Medical Natural Elements 27.9 cm (11 in.) Latex Mattress offerNSC Medical Natural Elements 27.9 cm (11 in.) Latex MattressCostco$3,599.9906 July 202612 July 2026
Costco Kingsdown Insignia Iconic 38.1 cm (15 in) Hybrid Mattress offerKingsdown Insignia Iconic 38.1 cm (15 in) Hybrid MattressCostco$2,099.9906 July 202612 July 2026
Costco GhostBed All-in-one Mattress Foundation offerGhostBed All-in-one Mattress FoundationCostco$239.9929 June 202605 July 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$649.9915 June 202621 June 2026
Costco Sealy Posturepedic Moderno Mattress or Set offerSealy Posturepedic Moderno Mattress or SetCostco$729.9915 June 202621 June 2026
Costco Zedbed Brightside by Kingsdown Copper Infused Reversible Mattress offerZedbed Brightside by Kingsdown Copper Infused Reversible MattressCostco$1,249.99$999.99-20%15 June 202621 June 2026
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$1,299.99$1,039.99-20%15 June 202621 June 2026
Costco Beautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or Set offerBeautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or SetCostco$1,099.99$879.99-20%15 June 202621 June 2026
Costco Kirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Pillowtop Mattress offerKirkland Signature by Stearns & Foster Lakeridge Luxury Cushion Firm Pillowtop MattressCostco$1,499.9915 June 202621 June 2026
Costco Mattress offerMattressCostco$587.49$469.99-20%08 June 202605 July 2026
Costco Sealy Essentials Cale Plush Mattress or Set offerSealy Essentials Cale Plush Mattress or SetCostco$899.9904 May 202610 May 2026
Costco Serta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or Set offerSerta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or SetCostco$1,299.9904 May 202610 May 2026
Costco Beautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or Set offerBeautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or SetCostco$1,099.9904 May 202610 May 2026
Costco Serta Perfect Sleeper Rendezvous 33 cm (13 in.) Hybrid Mattress or Set offerSerta Perfect Sleeper Rendezvous 33 cm (13 in.) Hybrid Mattress or SetCostco$1,858.96$1,449.99-22%04 May 202610 May 2026
Costco Sealy Posturepedic Moderno Mattress or Set offerSealy Posturepedic Moderno Mattress or SetCostco$729.9904 May 202610 May 2026
Costco Kingsdown Zedbed Brightside by Kingsdown Copper Infused Reversible Mattress offerKingsdown Zedbed Brightside by Kingsdown Copper Infused Reversible MattressCostco$1,249.9904 May 202610 May 2026
Costco Kingsdown Passions Beckingham Hybrid Mattress offerKingsdown Passions Beckingham Hybrid MattressCostco$1,708.85$1,349.99-21%04 May 202610 May 2026
Costco Kingsdown Passions Auburnwood Hybrid Euro Pillowtop Mattress offerKingsdown Passions Auburnwood Hybrid Euro Pillowtop MattressCostco$1,499.9904 May 202610 May 2026
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$999.9904 May 202610 May 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$899.9920 April 202626 April 2026
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$1,298.69$999.99-23%20 April 202626 April 2026
Costco Kingsdown Passions Auburnwood Hybrid Euro Pillowtop Mattress offerKingsdown Passions Auburnwood Hybrid Euro Pillowtop MattressCostco$1,499.9920 April 202626 April 2026
Costco Sealy Posturepedic Moderno Mattress or Set offerSealy Posturepedic Moderno Mattress or SetCostco$1,099.9920 April 202626 April 2026
Costco Serta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or Set offerSerta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or SetCostco$1,709.21$1,299.00-24%20 April 202626 April 2026
Costco Beautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or Set offerBeautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or SetCostco$1,099.99$879.99-20%20 April 202626 April 2026
Costco GhostBed All-in-one Mattress Foundation offerGhostBed All-in-one Mattress FoundationCostco$239.9907 April 202612 April 2026
Costco Kingsdown Passions Auburnwood Hybrid Euro Pillowtop Mattress offerKingsdown Passions Auburnwood Hybrid Euro Pillowtop MattressCostco$1,499.9909 March 202615 March 2026
Costco Sealy Posturepedic Rory Medium Twin Mattress or Set offerSealy Posturepedic Rory Medium Twin Mattress or SetCostco$579.9909 March 202615 March 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$649.9909 March 202615 March 2026
Costco Kingsdown Passions Beckingham Hybrid Mattress offerKingsdown Passions Beckingham Hybrid MattressCostco$1,699.9909 March 202615 March 2026
Costco Kingsdown Insignia Iconic 38.1 cm (15 in) Hybrid Mattress offerKingsdown Insignia Iconic 38.1 cm (15 in) Hybrid MattressCostco$1,999.9909 March 202615 March 2026
Costco Sealy Posturepedic Moderno Mattress or Set offerSealy Posturepedic Moderno Mattress or SetCostco$1,099.9909 March 202615 March 2026
Costco Sealy Posturepedic Rory twin mattress offerSealy Posturepedic Rory twin mattressCostco$249.99$199.99Save $5016 February 202601 March 2026
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Hybrid Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Hybrid Mattress or SetCostco$1,299.9902 February 202608 February 2026
Costco Sealy Essentials Cale Plush Mattress or Set offerSealy Essentials Cale Plush Mattress or SetCostco$899.9902 February 202608 February 2026
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$1,299.9930 December 202504 January 2026
Costco Beautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or Set offerBeautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or SetCostco$899.9930 December 202504 January 2026
Costco Beautyrest Platinum Aura 30.5 cm (12 in.) Mattress or Set offerBeautyrest Platinum Aura 30.5 cm (12 in.) Mattress or SetCostco$949.9930 December 202504 January 2026
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$899.9915 December 202521 December 2025
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$1,299.9915 December 202521 December 2025
Costco Beautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or Set offerBeautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or SetCostco$1,149.9915 December 202521 December 2025
Costco Beautyrest Beyond Excel 38.1 cm (15 in.) Mattress or Set offerBeautyrest Beyond Excel 38.1 cm (15 in.) Mattress or SetCostco$1,899.9917 November 202523 November 2025
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$899.9917 November 202523 November 2025
Costco Beautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or Set offerBeautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or SetCostco$1,149.9917 November 202523 November 2025
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$849.9917 November 202523 November 2025
Costco Beautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or Set offerBeautyrest Sterling Charleston 26.7 cm (10.5 in.) Mattress or SetCostco$1,099.9917 November 202523 November 2025
Costco Sunbeam Premium Heated Mattress Pad offerSunbeam Premium Heated Mattress PadCostco$69.9920 October 202526 October 2025
Costco Sunbeam Reversible 2-in-1 Mattress Pad offerSunbeam Reversible 2-in-1 Mattress PadCostco$189.9920 October 202526 October 2025
Costco Serta Perfect Sleeper Spellbound 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Spellbound 34.3 cm (13.5 in.) Mattress or SetCostco$999.9908 September 202514 September 2025
Costco Serta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or SetCostco$949.9908 September 202514 September 2025
Costco Arianell 20.3 cm (8 in.) Mattress offerArianell 20.3 cm (8 in.) MattressCostco$499.9911 August 202517 August 2025
Costco Sealy Essentials Cale Plush Mattress or Set offerSealy Essentials Cale Plush Mattress or SetCostco$899.9911 August 202517 August 2025
Costco Serta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or SetCostco$1,199.9911 August 202517 August 2025
Costco Sealy Essentials Cale Plush Mattress or Set offerSealy Essentials Cale Plush Mattress or SetCostco$899.9905 August 202510 August 2025
Costco Serta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or SetCostco$1,199.9905 August 202510 August 2025
Costco Arianell 20.3 cm (8 in.) Mattress offerArianell 20.3 cm (8 in.) MattressCostco$499.9905 August 202510 August 2025
Costco Beautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or Set offerBeautyrest Platinum Bravo 27.9 cm (11 in.) Mattress or SetCostco$899.9923 June 202529 June 2025
Costco Milliard Ultimate 15.2 cm (6 in.) Tri-Fold Sofa and Mattress offerMilliard Ultimate 15.2 cm (6 in.) Tri-Fold Sofa and MattressCostco$229.9907 April 202513 April 2025
Costco Serta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or SetCostco$949.9907 April 202513 April 2025
Costco Zedbed Brightside by Kingsdown Copper Infused Reversible Mattress offerZedbed Brightside by Kingsdown Copper Infused Reversible MattressCostco$1,199.9907 April 202513 April 2025
Costco Sealy Essentials Cale Plush Mattress or Set offerSealy Essentials Cale Plush Mattress or SetCostco$899.9907 April 202513 April 2025
Costco Serta Perfect Sleeper November 30.5 cm (12 in.) Mattress or Set offerSerta Perfect Sleeper November 30.5 cm (12 in.) Mattress or SetCostco$849.9907 April 202513 April 2025
Costco Serta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or Set offerSerta Perfect Sleeper Parade 34.3 cm (13.5 in.) Mattress or SetCostco$949.9906 January 202512 January 2025
Costco Serta Starlit 26.7 cm (10.5 in.) Mattress or Set offerSerta Starlit 26.7 cm (10.5 in.) Mattress or SetCostco$899.9928 October 202403 November 2024
Costco Multi-use Mattress with Synthetic Micromink Top offerMulti-use Mattress with Synthetic Micromink TopCostco$84.9903 September 202408 September 2024
Costco NSC Medical 15.2 cm (6 in.) Tri-fold Mattress offerNSC Medical 15.2 cm (6 in.) Tri-fold MattressCostco$199.9910 June 202416 June 2024
Costco Multi-use Mattress with Synthetic Micromink Top offerMulti-use Mattress with Synthetic Micromink TopCostco$84.9910 June 202416 June 2024
Costco NSC Medical 15.2 cm (6 in.) Tri-fold Mattress offerNSC Medical 15.2 cm (6 in.) Tri-fold MattressCostco$199.9912 February 202418 February 2024
Costco Multi-use Mattress with Synthetic Micromink Top offerMulti-use Mattress with Synthetic Micromink TopCostco$84.9912 February 202418 February 2024
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Costco Mattress offers and price

At Costco, you’ll find a wide range of ⭐️Mattress offers⭐️. This week, Costco has 2 Mattress promotions in the catalogue. Remove filters to view all Mattress deals, compare prices, and save on your next purchase. Use the filters to find promotions for your preferred products and secure the lowest price possible. You can save your search to stay updated when Mattress is on sale again in this week’s or next week’s catalogue. If the product is not on promotion right now but still needed, check similar deals to find an alternative.

Mattress assortment

Last update: Thursday, August 20, 2026
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