Stores (61) 
Promotion 
$3.00
$2.69
Water on sale Costco
There are 5 new Water offers available at Costco starting from 07-09-2026.
1 Filter
Add Relevance
SAVE $6
Icelandic Glacial natural spring water
$25.99
$19.99
Save $6
Icelandic Glacial natural spring water
$25.99
$19.99
-20%
iSpring Portable Countertop Reverse Osmosis Water Filtration System
$599.99
$479.99
Waterdrop K19 Countertop Reverse Osmosis Water Filter System
$299.99
iSpring Sparkling Reverse Osmosis Water Maker with UV, Hot & Cold, TDS Monitor
$699.99
Related brands
Stores with Water in their assortment
Walmart
Princess Auto
Wholesale Club
Canadian Tire
Metro
Loblaws
Real Canadian Superstore
Sobeys
Food Basics
The Brick
Independent Grocer
Provigo
FreshCo
No Frills
Longo's
London Drugs
Staples
Super C
Atlantic Superstore
Shoppers Drug Mart
IGA
Fortinos
Costco
Home Hardware
Nearest Costco branch
This Water on sale Costco is available in the following branches based on your set location:
Toronto
Water price Costco🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
| Icelandic Glacial natural spring water 24 x 500 ml | Costco | $25.99 | $19.99 | Save $6 | 31 August 2026 | 14 September 2026 |
| Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 31 August 2026 | 06 September 2026 | ||
| iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | $479.99 | -20% | 31 August 2026 | 06 September 2026 |
| iSpring Sparkling Reverse Osmosis Water Maker with UV, Hot & Cold, TDS Monitor | Costco | $699.99 | 31 August 2026 | 06 September 2026 | ||
 | Owala 710 mL (24 oz) Stainless Steel Water Bottles, 2-pack | Costco | $54.99 | 24 August 2026 | 30 August 2026 | ||
 | Kirkland Signature Solid Light Tuna in Water, 8 × 184 g | Costco | $19.99 | 24 August 2026 | 30 August 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 24 August 2026 | 30 August 2026 |
 | Gain cold water ultra oxi liquid laundry detergent 4 L | Costco | $18.79 | $14.99 | $3.80 Discount | 17 August 2026 | 30 August 2026 |
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 17 August 2026 | 23 August 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 17 August 2026 | 23 August 2026 | ||
 | Scepter 20 L Military Style Water Can, 2-Pack | Costco | $44.99 | 17 August 2026 | 23 August 2026 | ||
 | iSpring Sparkling Reverse Osmosis Water Maker with UV, Hot & Cold, TDS Monitor | Costco | $699.99 | 17 August 2026 | 23 August 2026 | ||
 | Purex Cold Water Ultra Concentrated Laundry Detergent, 250 Wash Loads | Costco | $27.15 | $21.99 | -19% | 17 August 2026 | 23 August 2026 |
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 17 August 2026 | 23 August 2026 |
 | Kirkland Signature Solid Light Tuna in Water, 8 × 184 g | Costco | $19.99 | 10 August 2026 | 16 August 2026 | ||
 | Owala 710 mL (24 oz) Stainless Steel Water Bottles, 2-pack | Costco | $54.99 | 10 August 2026 | 16 August 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 10 August 2026 | 16 August 2026 |
 | Dasani water 24 x 591 ml | Costco | $16.99 | $12.99 | Save $4 | 03 August 2026 | 17 August 2026 |
 | Dasani Water, 24 × 591 ml | Costco | $27.05 | $22.99 | -15% | 03 August 2026 | 09 August 2026 |
 | Gain Liquid High Efficiency Cold Water + Oxi Fresh Water Frost 4.87 L 121 Loads | Costco | $24.04 | $20.19 | -16% | 03 August 2026 | 09 August 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 03 August 2026 | 09 August 2026 | ||
 | Scepter 20 L Military Style Water Can, 2-Pack | Costco | $44.99 | 03 August 2026 | 09 August 2026 | ||
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 03 August 2026 | 09 August 2026 | ||
 | Purex Cold Water Ultra Concentrated Laundry Detergent, 250 Wash Loads | Costco | $27.15 | $21.99 | -19% | 27 July 2026 | 02 August 2026 |
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 20 July 2026 | 26 July 2026 | ||
 | iSpring Portable Countertop RO Water Filtration System Replacement Filter Pack | Costco | $149.99 | 20 July 2026 | 26 July 2026 | ||
 | Scepter 20 L Military Style Water Can, 2-Pack | Costco | $44.99 | 20 July 2026 | 26 July 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 20 July 2026 | 26 July 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 13 July 2026 | 19 July 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 06 July 2026 | 12 July 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 06 July 2026 | 12 July 2026 | ||
 | Scepter 20 L Military Style Water Can, 2-Pack | Costco | $44.99 | 06 July 2026 | 12 July 2026 | ||
 | LG 36 in. 23 cu. ft. Side-by-Side Counter-Depth Refrigerator with Ice and Water Dispenser | Costco | $1,894.99 | 06 July 2026 | 12 July 2026 | ||
 | OneCoffee Organic Swiss Water Decaf Fairtrade Coffee K-Cup Pods, 72-count | Costco | $54.99 | $43.99 | -20% | 29 June 2026 | 05 July 2026 |
 | SANPELLEGRINO Sparkling Carbonated Natural Mineral Water 330 mL, 24-pack | Costco | $30.11 | $24.99 | -17% | 29 June 2026 | 05 July 2026 |
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 22 June 2026 | 28 June 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 22 June 2026 | 28 June 2026 | ||
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 22 June 2026 | 28 June 2026 | ||
 | Fiji Natural Spring Water, 24 × 500 ml | Costco | $38.81 | $32.99 | -15% | 15 June 2026 | 21 June 2026 |
 | Jumping Bean Organic Deep Water Dark Fairtrade K-Cups, 90-count | Costco | $64.99 | $51.99 | -20% | 15 June 2026 | 21 June 2026 |
 | Zuru Xshot Motor Soakers - Water Blasters | Costco | $59.99 | 15 June 2026 | 21 June 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 08 June 2026 | 14 June 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 08 June 2026 | 14 June 2026 | ||
 | Fiji Natural Spring Water 12 × 1.5 L | Costco | $41.75 | $35.49 | -15% | 08 June 2026 | 14 June 2026 |
 | Jumping Bean Organic Deep Water Dark Fairtrade K-Cups, 90-count | Costco | $64.99 | $51.99 | -20% | 08 June 2026 | 14 June 2026 |
 | Dasani Water, 24 × 591 ml | Costco | $27.05 | $22.99 | -15% | 01 June 2026 | 07 June 2026 |
 | SANPELLEGRINO Carbonated Mineral Water 24 × 500 ml | Costco | $34.93 | $28.99 | -17% | 01 June 2026 | 07 June 2026 |
 | Waterpik Ultra Plus & Cordless Enhance water flosser combo pack | Costco | $89.99 | $64.99 | Save $25 | 25 May 2026 | 07 June 2026 |
 | Dasani Water, 24 × 591 ml | Costco | $27.05 | $22.99 | -15% | 25 May 2026 | 31 May 2026 |
 | SANPELLEGRINO Carbonated Mineral Water 24 × 500 ml | Costco | $34.93 | $28.99 | -17% | 25 May 2026 | 31 May 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 25 May 2026 | 31 May 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 25 May 2026 | 31 May 2026 | ||
 | LG 36 in. 23 cu. ft. Side-by-Side Counter-Depth Refrigerator with Ice and Water Dispenser | Costco | $1,894.99 | 18 May 2026 | 24 May 2026 | ||
 | Owala 710 mL (24 oz) Stainless Steel Water Bottles, 2-pack | Costco | $54.99 | 18 May 2026 | 24 May 2026 | ||
 | LG 36 in. 26 cu ft. Counter Depth Max French Door Refrigerator with Ice and Water Dispenser | Costco | $2,694.99 | 18 May 2026 | 24 May 2026 | ||
 | LG 36 in. 26 cu. ft. Smart Counter-Depth MAX Refrigerator With Ice and Water Dispenser | Costco | $2,294.99 | 18 May 2026 | 24 May 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 11 May 2026 | 17 May 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 11 May 2026 | 17 May 2026 | ||
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 11 May 2026 | 17 May 2026 | ||
 | Kirkland Signature Sparkling Flavoured Water, 503 mL 24-pack | Costco | $24.35 | $19.97 | -18% | 11 May 2026 | 17 May 2026 |
 | Purex Cold Water Ultra Concentrated Laundry Detergent, 250 Wash Loads | Costco | $27.10 | $22.49 | -17% | 04 May 2026 | 10 May 2026 |
 | Gain Liquid High Efficiency Cold Water + Oxi Fresh Water Frost 4.87 L 121 Loads | Costco | $24.04 | $20.19 | -16% | 04 May 2026 | 10 May 2026 |
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 27 April 2026 | 03 May 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 27 April 2026 | 03 May 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 27 April 2026 | 03 May 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | $479.99 | -20% | 13 April 2026 | 19 April 2026 |
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 13 April 2026 | 19 April 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 07 April 2026 | 12 April 2026 |
 | Icelandic natural spring water | Costco | $24.99 | $19.99 | Save $5 | 30 March 2026 | 13 April 2026 |
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 30 March 2026 | 05 April 2026 |
 | OneCoffee Organic Swiss Water Decaf Fairtrade Coffee K-Cup Pods, 72-count | Costco | $54.99 | $43.99 | -20% | 30 March 2026 | 05 April 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 30 March 2026 | 05 April 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 30 March 2026 | 05 April 2026 | ||
 | OneCoffee Organic Swiss Water Decaf Fairtrade Coffee K-Cup Pods, 72-count | Costco | $54.99 | $43.99 | -20% | 23 March 2026 | 29 March 2026 |
 | ThermoFlask 473 mL (16 oz.) Stainless Steel Insulated Water Bottle, 2-pack | Costco | $34.99 | 23 March 2026 | 29 March 2026 | ||
 | Sparkling ICE Flavoured Water Beverage Variety Pack 24 x 503 ml | Costco | $30.11 | $24.99 | -17% | 16 March 2026 | 22 March 2026 |
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 16 March 2026 | 22 March 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 16 March 2026 | 22 March 2026 | ||
 | Glaceau Smart Water 12 x 1 L | Costco | $37.20 | $31.99 | -14% | 09 March 2026 | 15 March 2026 |
 | Flow Naturally Alkaline Original Spring Water 18 x 500 mL | Costco | $19.99 | $16.99 | -15% | 09 March 2026 | 15 March 2026 |
 | Purex Cold Water Ultra Concentrated Laundry Detergent, 250 Wash Loads | Costco | $27.10 | $22.49 | -17% | 09 March 2026 | 15 March 2026 |
 | Purex Cold Water Ultra Concentrated Laundry Detergent, 250 Wash Loads | Costco | $27.10 | $22.49 | -17% | 02 March 2026 | 08 March 2026 |
 | Glaceau Smart Water 12 x 1 L | Costco | $37.20 | $31.99 | -14% | 02 March 2026 | 08 March 2026 |
 | Waterdrop Electric Filter Water Dispenser, 16-Cup | Costco | $69.99 | 02 March 2026 | 08 March 2026 | ||
 | Bentgo Kids 414 mL (14 oz.) Stainless Steel Water Bottle, 2-pack | Costco | $39.99 | 02 March 2026 | 08 March 2026 | ||
 | iSpring Portable Countertop Reverse Osmosis Water Filtration System | Costco | $599.99 | 02 March 2026 | 08 March 2026 | ||
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 02 March 2026 | 08 March 2026 | ||
 | Fiji Natural Spring Water, 24 × 500 ml | Costco | $36.89 | $30.99 | -16% | 23 February 2026 | 01 March 2026 |
 | Fiji Natural Spring Water 12 × 1.5 L | Costco | $39.99 | $33.99 | -15% | 23 February 2026 | 01 March 2026 |
 | SANPELLEGRINO Sparkling Carbonated Natural Mineral Water 330 mL, 24-pack | Costco | $30.11 | $24.99 | -17% | 23 February 2026 | 01 March 2026 |
 | Waterdrop K19 Countertop Reverse Osmosis Water Filter System | Costco | $299.99 | 17 February 2026 | 22 February 2026 |