Best Credit Card for Circle K in 2026
We ranked major rewards cards by the rates and caveats we track for Circle K. The top listed option shows up to 5% — review the notes before relying on it.
8 cards earning 2%+ at Circle K · sorted by highest cash back · updated Q2 2026
Rankings use issuer/product-page reward terms where available. Rotating categories, legacy cards, and needs-review cards are labeled separately so old or uncertain offers do not look like normal applyable recommendations.
Why #1: Limited availability: consider this only if you already have the Citi Custom Cash® Card. It may earn up to 5% cash back at Circle K, subject to the card's current terms.
Why #2: Strong choice at up to 4% cash back for Circle K. No annual fee.
Why #3: Solid up-to-3% cash back option at Circle K. No annual fee — easy to hold long-term.
Why #4: Solid up-to-3% est. value option at Circle K. No annual fee — easy to hold long-term.
Why #5: Solid up-to-3% cash back option at Circle K. No annual fee — easy to hold long-term.
Why #6: Solid up-to-3% cash back option at Circle K. No annual fee — easy to hold long-term.
Why #7: Solid up-to-3% cash back option at Circle K. No annual fee — easy to hold long-term.
Why #8: Solid up-to-3% cash back option at Circle K. No annual fee — easy to hold long-term.
Frequently Asked Questions
What is the best credit card to use at Circle K?
The top listed card at Circle K right now is the Citi Custom Cash® Card, showing up to 5% cash back. 5% auto-detects your top spend category (up to $500/mo) — gas stations eligible
Does any credit card offer more than 2% at Circle K?
Yes — the Citi Custom Cash® Card at 5%, the Costco Anywhere Visa® at 4%, the Blue Cash Everyday® Card from Amex at 3% all earn above 2% at Circle K.
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Search All Stores →Cash back rates are estimates and may vary. Rotating category cards require quarterly activation. Always verify rates with your card issuer before applying. Links on this page may be affiliate links — PennySwiper may earn a commission at no cost to you.