US American Express rolls out limited-time Membership Rewards transfer offer in June 2026.
Cardholders get 25% bonus miles for Flying Blue conversion and 20% extra points when transferring to Marriott Bonvoy.
The whole promotion ends on June 30, 2026.
Official transfer portal:
https://global.americanexpress.com/rewards/transfer

This guide covers valid dates, conversion rates, official restrictions and practical travel suggestions.
1 Core Promotion Timeline & Eligibility
1.1 Valid Promotion Window
- Marriott transfer bonus: June 1 to June 30, 2026
- Flying Blue transfer bonus: June 2 to June 30, 2026
- All transfers must be submitted before promotion cutoff date
1.2 Eligible Users
- Only US-issued American Express MR cardholders qualify for this limited bonus
- Register respective airline or hotel account and link it before point conversion
2 Featured Conversion Rate Table
| Loyalty Program | Standard Ratio | Promo Ratio | Extra Bonus |
|---|---|---|---|
| Flying Blue Air France-KLM | 1000 MR = 1000 Miles | 1000 MR = 1250 Miles | 25% |
| Marriott Bonvoy | 1000 MR = 1000 Points | 1000 MR = 1200 Points | 20% |
3 Regular Conversion Rates For Other Partners
Besides the two promotional programs, Amex MR can be converted into dozens of global travel partners with fixed exchange rates:
- Air Canada Aeroplan: 1000 MR = 1000 Miles
- ANA Mileage Club: 1000 MR = 1000 Miles
- Cathay Asia Miles: 1000 MR = 800 Asia Miles
- Hilton Honors: 1000 MR = 2000 Points
- JetBlue TrueBlue: 250 MR = 200 Points
4 Important Transfer Terms & Restrictions
- Minimum transfer per transaction: 1000 MR points, increment by 1000
- All completed transfers are irreversible and cannot be returned to original Amex account
- Promo bonus cannot combine with other ongoing Amex transfer promotions
- Etihad will stop MR transfer cooperation after June 30, 2026
- Extra Marriott bonus points do not count toward elite status qualification
5 Best Travelers For Point Conversion
- People planning Europe flights on Air France and KLM in summer and fall
- Travelers need Marriott accommodation across US and Canada
- Points collectors with large idle MR balance without instant redemption plan
- Members need to convert Etihad miles before partnership closure
6 Final Suggestion & Official Link
The 25% Flying Blue bonus is among top yearly Amex offers; convert only with confirmed flight plans. Avoid bulk Marriott transfer without fixed hotel bookings.
Complete all transfers before June 30 via:
https://global.americanexpress.com/rewards/transfer