Save 40 cents per gallon of gas at Circle K on May 7

Is your gas tank and budget on empty? Hit the brakes for big savings at the pump at Circle K for one day only on May 7, 2026. 

Among all the household expenses, filling the gas tank can really add up every month — depending on how much driving you do getting to work, running errands or dropping the kids off at practice. 

Whatever the reason, fill your gas tank on the cheap — thanks to Circle K Fuel Day.

Image: Circle K

Circle K Fuel Day

Get 40¢ off per gallon of gas during the convenience store’s Circle K Fuel Day on May 7, 2026 — from 4 p.m. to 7 p.m. local time. 

For the average 12 gallon fill-up, that’s a savings of $4.80. 

Even better, the discount is applied right at the pump. No need to download an app or apply a promo code. Just pull up, fuel up and save! 

Early Access for Inner Circle Members

As an added bonus, Inner Circle members benefit from early access on Circle K Fuel Day — from 12:01 a.m. to 3 p.m. local time.

The 40 cents per gallon discount will be applied once the phone number associated with the membership is entered at the pump. 

Joining Inner Circle is FREE and easy — just download the Circle K app or text JOIN to 25050. 

Participating Locations

The discount is available at more than 5,000 Circle K locations across the U.S.

The fuel sale will only be available at participating Circle K-branded locations. To see if your local Circle K is participating, visit circlek.com/fuel-day. 

The price on the pump from 4 p.m. to 7 p.m. reflects the discounted price. Customers in line before 7 p.m. will receive the discount, while supplies last.