Circle K Fuel Day 40¢/gal Savings Only $0.40 at CircleK

Updated August 28, 2026

Circle K’s Fuel Day is BACK for select states, letting members save 40¢ per gallon. This Circle K Fuel Day 40¢ per gallon deal drops the cost to just $0.40 per gallon in participating locations.

Why this fuel discount stands out

• Immediate 40¢ reduction on every gallon you pump.
• Only available to Circle K Inner Circle members, encouraging loyalty.
• Works in multiple states, expanding the geographic reach.

How to grab the deal at Circlek

1. Join the Circle K Inner Circle program (free) or log into your existing account.
2. Visit a participating Circle K location in a qualifying state.
3. Tell the attendant you want to use the Fuel Day discount before you pump.
4. Tap the SHOP HERE button above to confirm the promotion and start saving.

Savings tips & price context

Fuel prices fluctuate daily, but most drivers pay between $3.50 and $4.00 per gallon. If you regularly fill up on the same route, combine the Fuel Day discount with any regional loyalty programs you already have. The more you pump, the bigger the total savings.

FAQ

No. You must notify the attendant that you’re a Circle K Inner Circle member and want the Fuel Day discount before the pump starts.

Which states participate in Circle K’s Fuel Day?

The promotion is limited to select states. Check the official Circle K Fuel Day page for the current list of eligible locations. Ready to stretch your gas budget? Grab the Circle K Fuel Day 40¢ per gallon discount now and start saving at the pump. For more money‑saving offers, explore our food-deals section.

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