WOW! $8 Off Fairlife Protein Shakes at Costco (This Rarely Happens!)

By Cara | Staff Writer

Sep 28, 2026 @ 3:30 PM MDT

Hip2Save may earn a small commission at no extra cost to you via trusted partners and affiliate links in this post. Prices and availability are accurate as of time posted. Read our full disclosure policy here.

fairlife vanilla protein shakes stack on a palette in a store

Through October 4th, head to your nearest Costco warehouse where you can score $8 off Fairlife Nutrition Plan Protein Shake 18-Packs – this is a really rare opportunity to save on these popular shakes filled with 30 grams of protein!

Fairlife Protein Shake 18-Pack – Chocolate $39.99
Less $8 instant rebate
Final cost $31.99 – just $1.78 per shake!

Or shop online and score these Fairlife Chocolate Protein Shake 18-Pack for just $38.99.

Fairlife Protein Shake 18-Pack – Vanilla $39.99
Less $8 instant rebate
Final cost $31.99 – just $1.78 per shake!

Or shop online and score these Fairlife Vanilla Protein Shake 18-Pack for just $38.99.

HIP TIP: Did you recently buy these Fairlife shakes at Costco? Costco offers price adjustments within 30 days of purchase, so that means if you purchased these shakes in the last 30 days, you can score an $8 credit per case purchased! Simply stop by the Costco customer service counter with your Costco membership card, and they’ll help process your adjustment. Easy peasy!

Not a Costco Member? Score a membership to save year-round!

large package of protein shakes in store for sale

Prefer Sam’s Club? Score these deals instead:

Fairlife Protein Shake 12-Pack – Chocolate
Just $26.78 – $2.23 per shake!

Fairlife Protein Shake 12-Pack – Vanilla
Just $26.78 – $2.23 per shake!

Not a Sam’s Club Member? Score a membership to save year-round!

Or, grab this deal on Fairlife Core Power Shakes on Amazon…

Fairlife Core Power Protein Shake 12-Pack in Strawberry Banana $40.99
Clip the 20% off digital coupon
Opt to Subscribe & Save (5-15% off + free shipping for Prime members)
Final cost $30.74 shipped (5% off) or $26.64 shipped (15% off) – as low as $2.22 per bottle!

Fairlif Core Power Protein Shake 12-Pack in Chocolate or Vanilla $41.88
Clip the 20% off digital coupon
Opt to Subscribe & Save (5-15% off + free shipping for Prime members)
Final cost $31.41 shipped (5% off) or $27.21 shipped (15% off) – as low as $2.26 per bottle!

These yummy shakes are smooth, satisfying, and packed with 30g of high-quality protein in every bottle with just 2g sugar and 150 calories. Made with ultra-filtered, lactose-free milk and no artificial growth hormones, they’re an easy grab-and-go option to help keep your health goals on track

We’re clicking “add to cart” on these Health & Wellness deals… 🛒

About the writer:

Cara is a deal-loving writer with over two decades of experience across a variety of publications and digital platforms. She now creates fun, high-performing deal content readers love to click at Hip2Save.