Costco Coupons & Promo Codes for December 2018

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Browse for Costco coupons valid through December below. Find the latest Costco coupon codes, online promotional codes, and the overall best coupons posted by our team of experts to save you $50 off at Costco. Our deal hunters continually update our pages with the most recent Costco promo codes & coupons for 2018, so check back often!
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Showing 1 - 20 out of 20 matches for 2018 Costco coupons and Costco deals
Costco Cyber Monday Sale

Costco Cyber Monday Sale

hotness: 5/5
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Costco discounts a selection of items during its Cyber Monday Sale. (Prices are as marked for Costco members; non-members pay 5% more. Several discounts are for members only.) Most items receive free shipping; otherwise, shipping starts at $1.99. Discounted items laptops, furniture, appliances, jewelry, and cameras.
 
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Costco Holiday Appliance Sale

Costco Holiday Appliance Sale

hotness: 5/5
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Costco discounts a selection of major household appliances during its Holiday Appliance Sale. (Prices are as marked for Costco members; non-members pay a 5% surcharge. Many discounts are for members only.) Plus, most items receive free shipping; otherwise, shipping starts at $1.99.
 
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Jetson Bolt Folding Electric Scooter

Jetson Bolt Folding Electric Scooter

hotness: 5/5
from $300 free shipping
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Costco offers its members the Jetson Bolt Folding Electric Scooter for $299.99 with free shipping. (Non-members pay $15 extra.) That's the lowest price we could find by $100. It features an LED headlight, LCD display, 16mph max speed, and carrying handle.
 
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32 Degrees Men's Fleece Sherpa Lined Hoodie

32 Degrees Men's Fleece Sherpa Lined Hoodie

hotness: 4/5
$16 free shipping
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Costco offers its members the 32 Degrees Men's Fleece Tech Sherpa Lined Full-Zip Hoodie in several colors (Black pictured) for $15.99 with free shipping. (Non-members pay an extra $1.) That's $4 under our mention from ten days ago and is the best price we could find by $9. It's available in select regular and tall sizes from S to XXL. Deal ends December 13.
 
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Whirlpool 1-Hour Wash Dishwasher

Whirlpool 1-Hour Wash Dishwasher

hotness: 4/5
$400 for members free shipping
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For its members only, Costco offers the Whirlpool 1-Hour Wash Dishwasher for $399.99 with free shipping. That's the best deal we could find by $188. It features a heavy cycle, soil sensor, and heated dry option. Deal ends December 16.
 
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TruGolf Vista 10 C-Series Golf Simulator

TruGolf Vista 10 C-Series Golf Simulator

hotness: 4/5
from $12,000 free shipping
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Costco offers its members the TruGolf Vista 10 C-Series Golf Simulator for $11,999.99 with free shipping. (Non-members pay an additional $700 but membership costs only $60, so you might as well sign up.) That's $2,000 under last month's mention and the best deal we could find by $2,395.
 
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ExOfficio Give-N-Go Boxer Brief 3-Pack

ExOfficio Give-N-Go Boxer Brief 3-Pack

hotness: 3/5
$25 for Costco members free shipping
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For its members only, Costco offers the ExOfficio Give-N-Go Boxer Brief 3-Pack in Black or Grey for $24.99 with free shipping. That's tied with our October mention and $20 under the lowest price we could find for this quantity elsewhere. They're available in select size S to XL. only
 
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Sony Smart Speaker w/ Google Assistant

Sony Smart Speaker w/ Google Assistant

hotness: 3/5
$70 free shipping
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For its members only, Costco offers the Sony LF-S50G Bluetooth Smart Speaker with Google Assistant in Black for $69.99 with free shipping. That's the lowest price we could find by $16, although most major retailers charge $198 or more. It's IPX3 water resistant and features an adjustable LED clock display. Deal ends December 29.
 
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MacBook Air i7 Dual 13" Laptop, AppleCare+

MacBook Air i7 Dual 13" Laptop, AppleCare+

hotness: 3/5
$1,130 for members free shipping
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Costco offers its members the 2017 Apple MacBook Air Intel Broadwell Core i7 2.2GHz 13.3" Laptop bundled with AppleCare+ for $1,129.99 with free shipping. That's the best deal we could find by $308. Deal ends December 30. Features include:
  • Intel Core i7-5650U 2.2GHz Broadwell dual-core processor
  • 13.3" LED Retina display
  • 8GB RAM, 128GB SSD
  • WiFi 5, Bluetooth 4.2
  • 720p FaceTime camera
  • macOS
 
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Saeco GranBaristo Avanti Espresso Machine

Saeco GranBaristo Avanti Espresso Machine

hotness: 3/5
from $1700 free shipping
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Costco offers its members the Philips Saeco GranBaristo Avanti Automatic Espresso Machine for $1,699.99 with free shipping. (Non-members pay an additional $110, so it's better to get a 1-year membership for $60.) That's the lowest price we could find by $1,099. Deal ends December 16. Features include:
  • 18 customizable beverage types
  • 1-touch cappuccino and latte macchiato with milk carafe
  • 6 aroma strength and 5 grinder settings
  • storage for up to 6 user profiles
  • ceramic grinders
  • variable brewing pressure for coffee and espresso
 
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TP-Link Smart Wi-Fi Switch w/ Dimmer 2-Pack

TP-Link Smart Wi-Fi Switch w/ Dimmer 2-Pack

hotness: 3/5
from $60 free shipping
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Costco offers its members the TP-Link Smart Wi-Fi Light Switch with Dimmer 2-Pack for $59.99 with free shipping. (Non-members pay an extra $4.) That's $5 less than our mention from two weeks ago, an all-time best, and the lowest price we could find now by $36. They're compatible with Alexa and Google Assistant and work with dimmable LED or incandescent bulbs. Deal ends December 24.
 
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Double Black Diamond Packable Down Throw 2pk

Double Black Diamond Packable Down Throw 2pk

hotness: 3/5
from $40 free shipping
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Costco offers its members the Double Black Diamond Packable Down Throw 2-Pack in several colors (Navy pictured) for $39.99 with free shipping. (Non-members pay a $2.50 surcharge.) That's $21 under the lowest price we could find for two throws purchased elsewhere. Each throw measures 60" x 70", has 700 fill power, and includes a matching carry pouch. Deal ends December 14.
 
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Mikasa 65pc Stainless Flatware Set w/ Caddy

Mikasa 65pc Stainless Flatware Set w/ Caddy

hotness: 3/5
from $80 free shipping
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Costco offers its members the Mikasa Sinclair 65-Piece Stainless Steel Flatware Set with Wood Caddy for $79.99 with free shipping. (Non-members pay a $6 surcharge.) That's the lowest price we could find by $57. It includes 12 each of dinner forks, salad forks, dinner spoons, dinner knives, and teaspoons, as well as five serving utensils. Deal ends December 16.
 
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Eddie Bauer Men's Crosscut Cord Shirt

Eddie Bauer Men's Crosscut Cord Shirt

hotness: 3/5
from $19 free shipping
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Costco offers its members the Eddie Bauer Men's Crosscut Cord Shirt in several colors (Blue pictured) for $18.99 with free shipping. (Non-members pay a 95-cent surcharge.) That's the lowest price we could find by $6, and $14 under the price of a comparable shirt from Eddie Bauer direct. It's available in sizes S to XXL.
 
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Under Armour Golf Bags at Costco

Under Armour Golf Bags at Costco

hotness: 3/5
from $100 free shipping
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Costco discounts a selection of Under Armour Golf Bags to $99.99, as listed below. (Non-members pay $4.99 more.) Plus, all orders qualify for free shipping. The deals:
 
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Instant Pot Nova Plus 6-Quart 9-in-1 Cooker

Instant Pot Nova Plus 6-Quart 9-in-1 Cooker

hotness: 3/5
from $80 free shipping
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Costco offers the Instant Pot Nova Plus 6-Quart 9-in-1 Programmable Pressure Cooker for $79.99 with free shipping. (Non-members pay a $4 surcharge.) That's tied with our Black Friday week mention as the lowest price we've seen. (It's the best deal now by $55.) Deal ends December 16. Features include:
  • large blue LCD with 4 new status indicators
  • 15 smart programs (including new cake, egg, and sterilize programs)
  • adjustable pressure and temperature settings
  • 24-hour delay start
  • 24-hour keep-warm function
  • stainless steel cooking pot & steam rack
  • measuring cup, rice paddle, & soup spoon
Note: Costco only notes 14 smart programs, but Instant Pot indicates there are 15.
 
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Apple MacBook Air i5 13" Laptop w/ AppleCare+

Apple MacBook Air i5 13" Laptop w/ AppleCare+

hotness: 3/5
$1,230 for members free shipping
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For its members only, Costco offers the Apple MacBook Air Intel Core i5 13.3" Laptop bundled with AppleCare+ for $1,229.99 with free shipping. That's the best deal we could find by $88. Deal ends December 14. Features include:
  • Intel Core i5 1.6GHz dual-core processor
  • 13.3" 2560x1600 Retina display
  • 8GB RAM, 128GB SSD
  • 720p FaceTime camera
  • WiFi 5, Bluetooth 4.2
  • Thunderbolt 3, USB 3.1 Type-C
  • macOS
Note: While Costco have sold iPads and other Apple products for a while now, this is their first foray into selling Macs.
 
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StriVectin SD Advanced Anti-Wrinkle Cream 2pk

StriVectin SD Advanced Anti-Wrinkle Cream 2pk

hotness: 3/5
from $50 free shipping
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Costco offers its members the StriVectin SD Advanced Intensive Concentrate for Wrinkles and Stretch Marks 2-oz. Tube 2-Pack for $49.97 with free shipping. (Non-members pay a $2.50 surcharge.) That's the lowest price we could find by $29, although many retailers charge at least $79 for a single tube. It purportedly diminishes the appearance of lines and wrinkles.
 
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Filson Men's Short Sleeve Feather Cloth Shirt

Filson Men's Short Sleeve Feather Cloth Shirt

hotness: 2/5
$20 free shipping
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For its members only, Costco offers the Filson Men's Short Sleeve Feather Cloth Shirt for $19.97 with free shipping. That's the lowest price we could find by $30 and the least expensive Filson shirt we've ever seen. It's available in sizes from M to L XL.
 
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Join Costco & get member-only savings

Join Costco & get member-only savings

hotness: 3/5
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Expires: Unknown
Notes: Exclusions apply.
 
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