Transfer Amex Membership Rewards to Cathay Asia Miles
The published transfer ratio is 5:4. Right now there's a +10% bonus running through Aug 28, 2026.
FIRST-PARTY SOURCE: Cathay's US offer page (fetched 2026-08-08, HTTP 200) states 'From now until 28 August 2026, earn 10% bonus miles when you register and convert your finance or hotel points into Asia Miles during the promotion period.' REGISTRATION REQUIRED before converting (link on the offer page); the bonus is capped at 10,000 bonus miles for each member across all participating partners, and bonus miles post up to about 12 weeks after the regular miles. Amex transfers to Asia Miles at a 5:4 base, so 1,000 Membership Rewards points become 880 Asia Miles with the bonus. Independent third-party trackers checked on 2026-08-08 list the start date as July 27, 2026 (Cathay's page states only the end date). Confirm registration processed before moving points; transfers are non-reversible.
What your Amex Membership Rewards points become after transfer
| If you transfer | You get (base) | With +10% bonus |
|---|---|---|
| 10,000 pts | 8,000 Cathay Asia Miles pts | 8,800 Cathay Asia Miles pts |
| 25,000 pts | 20,000 Cathay Asia Miles pts | 22,000 Cathay Asia Miles pts |
| 50,000 pts | 40,000 Cathay Asia Miles pts | 44,000 Cathay Asia Miles pts |
| 100,000 pts | 80,000 Cathay Asia Miles pts | 88,000 Cathay Asia Miles pts |
Calculations use the official 5:4 transfer ratio published by Amex Membership Rewards. Bonus column shows what you'd receive during the current promotion.
Should you transfer to Cathay Asia Miles?
With the +10% bonus running, transferring Amex Membership Rewards to Cathay Asia Miles is a stronger move than usual. Use the boosted ratio to lock in a redemption you've already verified.
The general rule: only transfer when you have a specific award flight or stay in mind. Transfers are non-reversible, and Cathay Asia Miles can devalue their award chart at any time. Build the itinerary first, confirm availability with the airline or hotel directly, then transfer the exact number of points needed.
The fastest way to find out if a transfer makes sense for your trip is to ask the AI advisor , it pulls your wallet balances, today's active bonuses, and the destination redemption sweet spots into a single recommendation.
Cards that earn Amex Membership Rewards
These cards earn Amex Membership Rewards points directly. One sign-up bonus is usually enough to fund this transfer with room to spare.
How to transfer Amex Membership Rewards to Cathay Asia Miles
- Confirm award space first. Search for the specific flight or stay you want directly on Cathay Asia Miles's site, or ask our AI Points Advisor to compare programs side-by-side.
- Log in to your Amex Membership Rewards account. Bank portals are the source of truth for current ratios, confirm the 5:4 ratio still applies at the moment you transfer.
- Select Cathay Asia Miles as the recipient. Enter your loyalty account number; transfers usually go through within a few minutes for airlines and a few hours to days for hotels.
- Book immediately.Award space disappears fast; if your seats or rooms are gone by the time the transfer lands, you're stuck holding partner points instead of bank points.
FAQ
- What is the transfer ratio from Amex Membership Rewards to Cathay Asia Miles?
- Amex Membership Rewards transfers to Cathay Asia Miles at 5:4. There is currently a +10% bonus, making the effective ratio 1:0.88 until Aug 28, 2026.
- How long does a Amex Membership Rewards to Cathay Asia Miles transfer take?
- Most airline transfers from Amex Membership Rewards complete within minutes to a few hours. Plan for 24 hours when booking time-sensitive awards just in case.
- Are Amex Membership Rewards to Cathay Asia Miles transfers reversible?
- No. Once your points land in your Cathay Asia Miles account they cannot be moved back to Amex Membership Rewards. Confirm award availability before initiating the transfer.
- Is it worth transferring Amex Membership Rewards to Cathay Asia Miles?
- It depends on the redemption. Cathay Asia Miles is best used for specific award flights where their per-mile pricing beats other partners on the same route. Use our advisor to evaluate whether your specific trip benefits.
Transfer ratios on this page reflect the official ratio published by Amex Membership Rewards at the time of our last data review. Always confirm the live ratio inside your account before transferring, transfers are non-reversible.