Before comparing rewards, there is a constraint that settles half the question: Costco warehouses in the US accept Visa credit cards. Your American Express and Discover cards do not work at the register, and neither do Mastercards. Check the logo on your card before planning around it, a 5% card you cannot swipe is worth 0%.
That narrows the field to Visa, and within it the interesting finding is this: the card with Costco in its name pays its weakest rate on Costco shopping. Five cards below, and what each is actually for.
The winner
The best card for Costco is the Costco Anywhere Visa by Citi. $0 annual fee with a Costco membership, and it is the one card that earns an elevated rate on Costco purchases themselves (2%), on top of 5% at Costco fuel, 3% on dining and travel, and 4% at other gas stations.
Why it is built for the job. Costco warehouses accept only Visa, and this is the Visa made for them. No other card both works inside the warehouse and pays you extra for shopping there, so for a member it is close to automatic.
If you shop mostly inside the warehouse. The Wells Fargo Active Cash ($0 fee) matches the 2% on Costco purchases and pays it as cash whenever you want, where the Costco card pays its rewards once a year as a certificate. It is the simpler pick if fuel is not your main reason.
The warehouse cards at a glance
| Card | At Costco | Fuel | Paid how | Annual fee |
|---|---|---|---|---|
| Costco Anywhere Visa by Citi | 2% | 5% Costco / 4% elsewhere, $7,000 cap | Annual Costco certificate | $0 |
| Wells Fargo Active Cash | 2% | 2% | Cash, any time | $0 |
| Chase Freedom Flex | 1% (5% if the quarter’s category fits) | 1%, or 5% in a gas quarter | Cash, any time | $0 |
| Chase Freedom Unlimited | 1.5% | 1.5% | Cash, any time | $0 |
| U.S. Bank Altitude Connect Visa Signature | 1X | 4X | Points | $0 |
The five Costco options
1. Costco Anywhere Visa by Citi: the fuel card wearing a warehouse badge. 5% at Costco’s own pumps and 4% at gas stations generally, on the first $7,000 of combined fuel spending a year, then 1%. Plus 3% at restaurants, 3% on airlines, hotels, car rental and cruises, 2% on Costco purchases, and 1% elsewhere. No annual fee, no foreign transaction fee, and a Costco membership is needed in practice. Its gas rate is the real reason to carry it.
2. Wells Fargo Active Cash: the one that ties the Costco card at Costco. A flat 2% on everything, including Costco, with no annual fee. It matches the co-brand’s own Costco rate and pays you in actual money whenever you want it rather than once a year in store credit. If you want one card for the warehouse and nothing else, this is arguably the better pick.
3. Chase Freedom Flex: the quarterly wildcard. 1% most of the time, but 5% on up to $1,500 of spending per quarter in whatever category Chase nominates, which periodically includes warehouse clubs or gas. Also 3% at restaurants and drugstores, and no foreign transaction fee. Worth holding for the quarters it fits rather than as your Costco default. Our Flex vs Unlimited comparison covers the difference.
4. Chase Freedom Unlimited: the no-thinking option. 1.5% on everything including Costco, plus 3% at restaurants and drugstores and 5% on travel booked through Chase. Lower than a flat 2% card at the warehouse, but stronger across the rest of your spending if you eat out.
5. U.S. Bank Altitude Connect Visa Signature: the no-membership fuel alternative. 4X points on gas and travel with no annual fee and nothing to join, but the 4X on gas is capped at $1,000 a quarter ($4,000 a year), below the Costco card’s $7,000. If the only reason you were considering the Costco card is its fuel rate and you stay under that cap, this gets you to roughly the same place without a Costco membership or an annual certificate.
The catch on the Costco card: you get a certificate once a year
This is what changes the comparison, and it rarely appears in the headline. The Costco Anywhere Visa does not credit rewards monthly and does not pay cash. They accumulate all year and arrive once a year as a Costco reward certificate, redeemable at Costco.
You wait. A reward earned in January is not usable until the certificate issues, potentially eleven months later. Every other card here pays whenever you ask.
You can only spend it at Costco. Weekly shopper? Effectively cash. Occasional visitor? Worth less than the same figure in money.
It expires and needs an active membership. Let the membership lapse or forget the certificate, and the year’s rewards go with it. Put the issue date in your calendar.
So when you compare “2% here” against “2% there”, remember you are comparing cash paid monthly against store credit paid annually. They are not the same asset.
The 2% at Costco is the weakest part of the Costco card
A plain flat-rate 2% Visa, free, no membership condition, pays the same 2% at Costco, in money, immediately. So if your reason for wanting the co-brand is “I spend a lot at Costco”, it is not doing anything a generic 2% card does not already do better.
The exception is the fuel station, where Costco’s own pumps pay 5% and warehouse clubs usually sell fuel below the stations around them. Cheaper pump price plus a high rate is genuinely hard to beat, which is why we treat this as a gas card.
What 4% on fuel is actually worth
Converted into the unit that matters at the pump, 4% is roughly 12 to 16 cents a gallon depending on price, and 5% at a Costco station is 15 to 20 cents. The $7,000 annual cap, shared across Costco fuel and other stations, works out at about $583 a month, more than most households use, but easily reached if you drive for work. Everything past it earns 1%. Our gas card guide runs the full comparison.
Which card for your Costco runs
Already a Costco member who buys fuel regularly and shops there often: take the Costco Anywhere Visa. The fuel rate alone justifies a free card, and the certificate is as good as cash to you.
A member who mostly just shops there: take a flat 2% Visa like the Active Cash. Same rate at the warehouse, paid in real money, every month.
Considering a membership purely for the card: do not. Take the Altitude Connect for fuel instead and skip the membership entirely.
And remember the strongest free setup is a pair rather than a single card, covered in our no-annual-fee guide.
Costco-card questions
What cards does Costco accept? In US warehouses, Visa credit cards. American Express and Discover are not accepted, so check your card’s network before relying on it. Online and in-store policies can differ, so confirm for the way you shop.
Do I need a Costco membership for the co-branded card? In practice yes, because the reward certificate is redeemed at Costco and requires an active membership.
When do I get my rewards on the Costco card? Once a year, as a Costco certificate rather than cash or a statement credit.
Is the 4% gas rate capped? Yes, $7,000 of combined fuel spending a year, about $583 a month, after which it drops to 1%.
Is there a better card for Costco shopping itself? A flat 2% Visa matches the co-brand’s 2% and pays in cash monthly. The co-brand wins on fuel, dining and travel, not on warehouse purchases.
How we put this guide together
We compared cards usable at Costco, which means Visa, on their published rates in the categories a Costco shopper actually uses, and on the practical value of how and when rewards are paid. An annual certificate redeemable at one retailer is not equivalent to monthly cash back, and we compare it accordingly. The cents-per-gallon figures are arithmetic applied to a range of pump prices rather than a claim about current fuel costs. Figures come from the issuers’ published terms. Placement here isn’t for sale, and CardRankr earns through display advertising rather than affiliate links.
Issuers and retailers change rates, caps, accepted networks, redemption rules and membership terms at any time without notice. Everything above reflects the terms published at the time of writing, confirm the current details before applying. Last verified: October 2026.
Read next
- Best Credit Cards for Gas in 2026
- Best Credit Cards for Groceries in 2026
- Best No-Annual-Fee Credit Cards of 2026
- Wells Fargo Active Cash vs. Citi Double Cash
Figures on this page were checked against the issuers’ own pages: Costco Anywhere Visa Card and What credit cards does Costco accept?.