On/Go Promo Code & Coupons

All Promo codes Deals First order Repeat order

20 %

Promo code Verified We recommend

Save 20% Off Covid-19 Antigen Home Test

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Valid 3 Weeks Applied 150 times

14 %

Special offer

Enjoy 14% Off On/go One Bulk Pack - 288 Tests- Ncpa

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Applied 23 times

15 %

Promo code Verified

Save 15% Off On/go Business Covid Test Kits

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Valid 3 Weeks Applied 20 times

Special offer

Get Free Expedited 2-Day Shipping on Sniffles Orders over $100

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Valid 3 Weeks Applied 149 times

Expired, but try! The codes might work

21 %

Promo code

Take 21% Off All Orders at On/go

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The Special Offer is expired Applied 135 times

10 %

Promo code

Get 10% Off Employee Health Monitoring Tools w/ On/go

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The Special Offer is expired Applied 17 times

10 %

Special offer

Receive 10% Off Select Products

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The Special Offer is expired Applied 100 times

Special offer

Get On/go One Starting at $8.79

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The Special Offer is expired Applied 115 times

When is the best time to buy at On/Go?

The number of promo codes added by month

Jan 4

Feb 4

Mar 4

Apr 4

May 4

Jun 4

Jul 4

Aug 3

Sep 3

Oct 3

Nov 3

Dec 4

How to use a coupon code on On/Go?

Go to letsongo.com

Visit letsongo.com to find perfect self-testing solution for your needs.
Choose an item

Choose your COVID-19 testing solutions – for your family and yourself, business, events, healthcare, and more.
Add to cart

Add the chosen solution to the shopping cart. Click on the shopping bag icon at the top-right corner of the page. Glance over the added self-testing product in the cart summary menu and press “View cart”. Do the final check of your order in the shopping cart and press “Check out”.
Apply discount code

Enter the set-aside promo code in the “Discount code” box and hit “Apply”.

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Why You Can Trust Our Deals

At DiscountReactor, we combine smart AI tools and careful editorial work to show you only accurate "up-to-date" and truly useful offers. AI helps us quickly filter and pre-test coupons, while editors manually check the results, adjust the reliability rating based on confirmed validity and keep the pages clean without unnecessary “noise.”

We monitor stores daily, conduct regular manual content reviews, update or remove any problematic coupons within 24 hours on business days. We clearly mark coupons as "Verified", "Expired" or "Editor's Choice" work with partner stores on content accuracy, and always put your interests first by showing only fresh and working offers without unnecessary clutter.