# Amex Offers 20% Transfer Bonus to Marriott Bonvoy Through June 30

_Jun 1 09:25_

Tags: Marriott Bonvoy, Amex Membership Rewards, American Express, transfer bonus, loyalty program, hotel, credit card, promotion

Amex Membership Rewards is offering a 20% bonus on transfers to Marriott Bonvoy from June 1 through June 30, 2026. The transfer ratio is 1,000:1,200, and transfers are generally instant

> **Check before acting.** This offer was last reported 159 days ago, on June 1, 2026. Registration deadlines and bonus windows close. We do not track whether this one is still live, so check the program's own page before acting on it.

## Summary

Amex Membership Rewards is offering a 20% bonus on points transfers to Marriott Bonvoy for US cardholders. The promotion runs from June 1 through June 30, 2026. The standard transfer ratio is 1:1; during this window, it becomes 1,000:1,200. The bonus is hardcoded into the transfer ratio, allowing unlimited transfers. Transfers are typically instant. While 20% is on the lower end of historical bonuses for this pair (typically 20-35%), it may be useful for travelers needing to top off a Marriott balance for a specific award stay

## Why it matters

Relevant for Marriott Bonvoy elites and award redeemers. Card-issuer angle via American Express, Chase. Time-limited transfer bonus — confirm rate and end date before transferring.

## Sources cited

- [One Mile at a Time](https://onemileatatime.com/deals/amex-marriott-bonvoy-transfer-bonus) — Transfer Amex Points To Marriott Bonvoy With 20% Bonus: Worth It?

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