Circle K Holiday Fuel Day 2024 Calendar. Throughout the year, circle k offers a discount up to $0.30 or $0.40 off each gallon of gas (even diesel) during a circle k fuel day. Leading into memorial day weekend, circle k is offering 40 cents off per gallon of fuel between 4 p.m.

(image courtesy circle k) louisville, ky. One coupon per customer, per day.