Get a 30% bonus when you transfer Marriott Rewards points to Iberia Avios
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This is a very interesting offer which has crept out very quietly under the radar. I haven’t seen any other coverage of it so far.
In 2011, Marriott acquired a Spanish hotel operator called AC Hotels. It has since been working hard to build the company by integrating it into Marriott Rewards.
As the dominant airline in the region, Iberia is proving to be Marriott’s partner of choice for promoting the brand. Two new offers have just been launched specifically for Iberia Plus members.
The first is forgettable. You get 100 Avios for a stay at an AC Hotels property, and 300 Avios if it is for 2 nights or more. Details here.
The second is more interesting. Until 31th (that’s how Iberia writes it!) December, you will receive a 30% bonus when you transfer your Marriott Rewards points into Iberia Plus Avios points.
(Note – the transfer must NOT be to BA, it must be to Iberia Plus. However, once you have opened an Iberia Plus account, you can transfer your Avios across to British Airways. The only snag is that you must wait for the account to be 90 days old before you can do your first transfer out.)
British Airways runs an annual ‘25% bonus when you convert your hotel points to Avios’ promotion, so this offer is not massively better than that. However, it is a little better, and in any event it will be at least 6 months before the BA offer comes round again.
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How to earn Marriott Bonvoy points and status from UK credit cards (June 2025)
There are various ways of earning Marriott Bonvoy points from UK credit cards. Many cards also have generous sign-up bonuses.
The official Marriott Bonvoy American Express Card comes with 20,000 points for signing up, 2 points for every £1 you spend and 15 elite night credits per year.
SPECIAL OFFER: Until 15th July 2025, the sign-up bonus on the Marriott Bonvoy American Express Card is TRIPLED to 60,000 Marriott Bonvoy points. This would convert into 25,000 Avios or into 40 other airline schemes. It would also get you at least £300 of Marriott hotel stays based on our 0.5p per point low-end valuation. Other T&C apply and remain unchanged. Click here for our full card review and click here to apply.
You can apply here.

Marriott Bonvoy American Express Card
60,000 points (to 15th July) and 15 elite night credits each year Read our full review
You can also earn Marriott Bonvoy points by converting American Express Membership Rewards points at the rate of 2:3.
Do you know that holders of The Platinum Card from American Express receive FREE Marriott Bonvoy Gold status for as long as they hold the card? It also comes with Hilton Honors Gold, Radisson Rewards Premium and MeliaRewards Gold status.
We reviewed The Platinum Card from American Express in detail here and you can apply here.

The Platinum Card from American Express
50,000 bonus points and great travel benefits – for a large fee Read our full review
You can also earn Marriott Bonvoy points indirectly:
- American Express Preferred Rewards Gold Credit Card (20,000 bonus Amex points)
- The American Express Rewards Credit Card (10,000 bonus Amex points)
and for small business owners:
- The American Express Business Gold Card (20,000 bonus Amex points)
- The American Express Business Platinum Card (50,000 bonus Amex points)
The conversion rate from American Express to Marriott Bonvoy points is 2:3.
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