COSI Coupon Codes & Deals

Save 10% on Science2go And Atomic Café Purchases & Free Unlimited Admission

COSI Basic Membership Level: 10% Discount On Science2go And Atomic Café Purchases & Free Unlimited Admission. Enjoy this incredible deal which doesn’t require a coupon code to be applied at cosi.org. Offer is only valid for a limited-time period. Terms and conditions apply.

Get 20% Off Religible Products

COSI Corporate Membership - 20% facility rental discount for a private event at COSI. For $20,000, $15,000, $10,000 level. Restrictions apply. Discover this special deal which doesn’t require a coupon code to be applied at cosi.org. Click to save on your purchase.

Get 50% Off exhibits admission with a current ACM membership card

50% off exhibits admission with a current ACM membership card. Claim this amazing promotion which doesn’t require a offer code to be entered at cosi.org. Just visit cosi.org for more detailed information.

$2 Savings on General Admission WOSU MemberCard Club

Save $2 Off General Admission WOSU MemberCard Club. Get this hot sale which doesn’t require a offer code to be applied at COSI. Just visit cosi.org for more info. Terms and conditions apply.

$2 Savings on COSI general admission

Senior Discount: Seniors (ages 60 and up) receive a $2 discount on COSI general admission. Valid state-issued ID may be requested at the time of purchase. Only available for purchase at COSI's Box Office. Cannot be used online. Use this COSI promotional sale to obtain savings without a code at checkout. Just click to read more detailed info on this deal.

$2 Savings on per person in the immediate family with proper ID

Military Discount: $2 off per person in the immediate family with proper ID. Snag this incredible promotion which doesn’t require a offer code to be applied at cosi.org. Just visit cosi.org for more info.

Get Ultimate Family Membership Only for $361.25

Ultimate Family Membership for $361.25. Seize this special sale which doesn’t require a discount code to be entered at cosi.org. Click to save on your order.

COSI Discovery Nights Member for $14

You don't need a promo code of COSI to claim this wonderful offer. Valid for limited period only.

Big Sale: Grandparent Family membership one year for $149

Grandparent Family membership one year for $149. Check out the landing page of cosi.org to obtain this amazing deal. No coupon code required.

Hot Offer: Teacher Family Membership for $119

Teacher Family Membership For $119 One Year. Obtain this hot promotion which doesn’t require a offer code to be entered at cosi.org. offer applied automatically.

Hot Offer: Kid's K - 5th Grade Camps for $300

Kid's K - 5th Grade Camps for $300 for COSI Members. Obtain this great promotion which doesn’t require a code to be entered at cosi.org. Limited time only. Hurry to save.

Get Family Access Membership Only for $49

Family Access Membership for $49 One Year. You don't need a coupon code of COSI to obtain this great promotion. Snag this chance to save big.

Big Sale: COSI After Dark: a 21+ Event Adult Nonmember fee for $18

COSI After Dark: a 21+ Event Adult Nonmember fee for $18 in advance. It's COSI without kids. Snag this incredible promotion which doesn’t require a promotional code to be applied at cosi.org. Enjoy your shopping during this limited time sale.

Never Miss: COSI's School's Out Camps - Single Day for $60

COSI's School's Out Camps - Single Day for $60 for Members. Grab this fantastic deal which doesn’t require a promotional code to be entered at cosi.org. Go for the promotion now!

Big Sale: Kids camp cosi summer camps 5 Day for $330

Kids camp cosi summer camps 5 Day for $330 Non-Members. Discover this wonderful deal which doesn’t require a coupon code to be entered at COSI. It will not last long.