How Do Airline Transfer Partners Work?

Airline transfer partners are airlines (and sometimes hotels) that let you move the points you earned on a credit card into their own loyalty program, where you then book award flights. Instead of your points living in one place, you send them to an airline's mileage account and redeem them for a seat. The short version: your card issuer has a list of partners, you pick one, you transfer, and the miles show up in that airline's program under your name.

How it actually works

Some credit card points are "transferable." That means the issuer runs its own rewards currency, and instead of forcing you to spend those points inside one airline, it lets you send them out to a range of partners. American Express calls its currency Membership Rewards. Citi calls its currency ThankYou Rewards. Marriott runs Bonvoy points on the hotel side, and those can move to airline programs too. How (and why) you should earn transferable credit card points walks through why that flexibility is the whole point.

Here is the flow, step by step.

1. You earn points on a card into a transferable currency.
2. You open the issuer's transfer page and see its list of partner programs.
3. You pick a partner and a number of points to move.
4. The points leave your card account and land in that airline's program as miles.
5. You search that airline's site for an award seat and book it with the miles.

The ratio matters. Most transfers run 1:1, so 1,000 card points become 1,000 airline miles. But not every partner is 1:1. Amex recently added The Leading Hotels of the World Leaders Club as a transfer partner at a 4:1 ratio, meaning it takes four Membership Rewards points to get one point on the other side. Doctor of Credit has the details. Always check the ratio before you move anything.

One thing to burn into memory: transfers are almost always one-way and final. Once your points become airline miles, you cannot pull them back into the card program. So the golden rule is to find the award seat you want first, confirm it is bookable, and only then transfer the exact number of miles you need.

Why do these partnerships exist at all? Airlines partner with each other too, not just with card issuers, and that extends where your miles can take you. Alaska and Philippine Airlines expanded their partnership so points redemptions now work across the two carriers. One Mile at a Time covered the launch. The more partners in a web, the more places a single stash of miles can fly you.

Transfer partner lists are not frozen. Issuers add and drop partners, so a program that could not reach a certain airline last year might reach it now. That is worth watching if you have a specific airline in mind.

What we're tracking lately (as of August 2026)

• Amex 30% transfer bonus to Avios (1:1.3): Amex is running a bonus on transfers from Membership Rewards to Avios, so 1,000 points become 1,300 Avios. Doctor of Credit
• Amex adds Leading Hotels of the World Leaders Club (4:1): A new Membership Rewards transfer partner, at a 4:1 ratio. Doctor of Credit
• Alaska and Philippine Airlines expand their partnership: Points redemptions are now live across the two carriers. One Mile at a Time
• Citi may add Japan Airlines Mileage Bank to ThankYou Rewards: Reporting suggests Citi could add JAL as a transfer partner. Frequent Miler and Miles to Memories
• Which Marriott Bonvoy airline partners are best: A rundown of Bonvoy's airline transfer options and how to pick. Frequent Miler
• Delta SkyMiles and Starbucks Rewards partnership changes again: The Delta and Starbucks collaboration shifted once more, affecting how customers earn. One Mile at a Time

We break down moves like these as they happen. You can browse our archive of past issues to see how partner lists and transfer bonuses have shifted over time.

FAQ

Are point transfers instant? It depends on the partner. Some show up in seconds. Others take longer to post. Because you cannot reverse a transfer, do not move points speculatively. Find and hold the award seat first, then send exactly what you need.

Is a transfer always 1:1? No. Many partners are 1:1, but some are not. Amex's Leading Hotels of the World partner runs 4:1, and transfer bonuses can temporarily push a ratio the other way, like the current 1:1.3 bonus to Avios. Check the ratio every time.

Can I move miles back to my credit card program? Almost never. Treat every transfer as one-way and final. That is why the order of operations matters: confirm the booking is available, then transfer.

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