United℠ Quest vs Capital One Spark Cash Plus

United℠ Quest
VS
Capital One Spark Cash Plus
The short answer: The Capital One Spark Cash Plus delivers a bit more value for most spenders.

Side-by-side comparison

United℠ QuestCapital One Spark Cash Plus
Annual fee$350$150
Welcome offerUp to 70,000 bonus miles + 500 PQP$2,000 cash back
Advertising1%2%
Shipping1%2%
Office supplies1%2%
Phone & internet1%2%
Travel2%2%
Everything else1%2%
Est. yearly rewards*$522$900
Points typeLocked to United MileagePlusPools with Capital One → transferable
NetworkVisaMastercard

*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.

The verdict

On a typical year of business spending, the United℠ Quest earns about $522 a year in rewards and the Capital One Spark Cash Plus about $900, valuing every point at a flat 1 cent. The United℠ Quest charges $350, but carries about $200 in annual statement credits that offset it for anyone who uses them. The Capital One Spark Cash Plus charges $150, which you clear through its rewards and perks. Counting rewards, fees, and any credits, the Capital One Spark Cash Plus delivers more total value, about $478 a year more for a typical spender, mostly because it earns more where you spend most, on everything else and advertising. The bigger difference is the ceiling: the Capital One Spark Cash Plus earns points you can move to travel partners for outsized value, while the United℠ Quest stays locked to a single airline or hotel program. Favor the Capital One Spark Cash Plus if you will use travel transfers, the United℠ Quest if you want simplicity. On the sign-up bonus, the Capital One Spark Cash Plus currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.

Pick the Capital One Spark Cash Plus if your spending leans toward advertising, shipping, office supplies.

Read the full reviews

Frequently asked questions

Is the United℠ Quest or the Capital One Spark Cash Plus better?
On typical business spending, the Capital One Spark Cash Plus comes out ahead after its annual fee, by roughly $478 a year with every point valued at a flat 1 cent. But the United℠ Quest can be the better fit if your spending lines up with its stronger categories. Run both through the Cardocrat calculator to see your own numbers.
Can I have both the United℠ Quest and the Capital One Spark Cash Plus?
In most cases yes, as long as you meet each issuer's approval rules (for example Chase's 5/24 rule). Many people hold complementary cards to cover more bonus categories, then pool or redeem the rewards together where the program allows.
Which has the better welcome bonus, the United℠ Quest or the Capital One Spark Cash Plus?
As of June 2026, the United℠ Quest offers up to 70,000 bonus miles + 500 pqp and the Capital One Spark Cash Plus offers $2,000 cash back. Welcome offers change often, so confirm the current offer on each card's page before applying.