Reported offer: For Circle K members in select western states, enjoy a 40¢ per gallon discount on fuel purchases during Circle K Fuel Day on October 15th. This offer suits frequent drivers looking to save on gas at participating Circle K stations in California, Colorado, New Mexico, Oregon, Texas, and Washington.
Offer details
On October 15th only, Circle K members who are fully registered can save 40 cents off each gallon of gasoline at select locations in six states. To get the discount, members must enter their registered phone number at the pump, which triggers an instant price reduction. This offer offers significant savings compared to regular fuel prices. Additional savings can be stacked by using the Upside app and promo code FREEBIEGUY for an extra 25 cents back on the first fill-up, totaling up to 65 cents off per gallon today. This promotion is part of a broader suite of deals at Circle K, including summer-long offers on coffee, meal deals, and car washes.
How to use it
1. Confirm you are a registered Circle K Inner Circle Rewards member. 2. Visit a participating Circle K station in California, Colorado, New Mexico, Oregon, Texas, or Washington on October 15th. 3. At the pump, enter your registered phone number before completing your fuel purchase to instantly apply the 40¢ per gallon discount. 4. For additional savings, use the Upside app when paying and apply promo code FREEBIEGUY on your first fill-up. 5. Collect any other available rewards and deals via the Circle K app or rewards program if desired.
Eligibility and restrictions
The 40¢ per gallon discount is valid only on October 15, 2026, at select Circle K locations in California, Colorado, New Mexico, Oregon, Texas, and Washington. Customers must be fully registered Circle K Inner Circle Rewards members and enter their associated phone number at the pump. The Upside app discount and promo code apply only if used separately and are not guaranteed to be accepted at all stations. Confirm station participation and app offer terms prior to purchase.
These deals can change at any time. Confirm current dates, availability and eligibility with the retailer or venue before shopping or visiting.