Paying for a hotel room with the wrong card can quietly cost you serious value. A new breakdown by One Mile at a Time runs the numbers on which credit cards really pay the most for hotel spending — and the answer isn't as obvious as you'd think.

The logic: rather than guessing whether points are worth one cent or two, the analysis assigns a cash value to each rewards currency and compares the effective return on every dollar spent at hotels. Among transferable points cards, the Chase Sapphire Reserve and its business sibling come out on top, earning 4x points on hotels for an estimated 6.8% return — though that comes with a steep $795 annual fee. The Wells Fargo Autograph Journey is close behind at 5x points and a 6.5% return, with a much friendlier $95 fee. The Citi Strata Premier and Ink Business Preferred each clock in around 5.1%, while the Chase Sapphire Preferred sits at 3.4%.

Here's the surprising part: co-branded hotel cards — the ones issued by Hilton, Marriott, IHG, Hyatt and the rest — mostly don't beat those numbers even at their own brands. Hilton's top-tier Aspire card is the standout exception, earning 14x Honors points worth roughly 7% on Hilton stays, edging out everything else. The IHG Premier Select (12x, about 6%) and Choice Privileges Select (10x, about 6%) are competitive too. But Marriott's premium Amex cards manage only around 4.2% despite 6x earnings, because Bonvoy points are valued lower than transferable points, and Hyatt's co-branded cards land at 5.6%. On the author's valuations, Hilton is the only program where the brand's own card is a clear winner for on-property spending.

Then there's the portal wrinkle. Booking hotels through credit card travel portals can generate eye-popping rates: up to 12x points via Citi Travel, 10x through Capital One Travel, 8x through Chase Travel and 5x on prepaid Amex Travel bookings. Valued at 1.7 cents a point, that's an apparent return of 8.5% to 20.4% — the best numbers in the whole comparison. But there are real trade-offs: portal prices aren't always the cheapest, you usually won't earn hotel loyalty points or status credits, and properties tend to treat third-party bookings worse on upgrades and room assignments.

The practical takeaway for travellers: if you stay across different brands, a flexible card like the Sapphire Reserve or Autograph Journey probably earns you more than a wallet full of hotel cards. If you're loyal to Hilton (or arguably Hyatt), the co-branded route wins. And if you do chase portal bonuses, weigh the multiplier against losing elite night credit and status perks — often the perks are worth more than the points.

It's a US-focused analysis (these cards and programs are American), but the underlying principle travels: do the math on your actual spend, check whether your hotel brand's card really beats a flexible points card, and never assume the hotel's own plastic is automatically the best pick at check-in.