Should you add a different frequent flyer number to your Avios flights?
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There was an interesting post on US site The Points Guy last weekend about whether – when flying on a reward ticket – you should put in the frequent flyer number of a different airline.
The rationale for this is that airline industry IT is often not the best. Whilst it is very rare to be awarded back miles for a reward flight on the airline you used to book your ticket, they will occasionally credit to other airlines. This is especially likely to happen if your travel is disrupted and your ticket is reissued.
Would I recommend this?
To be honest, if you have British Airways status, I would NOT recommend it. You should keep your BA number in the booking. This will ensure that you get priority treatment if your travel is disrupted and passengers need to be rebooked.
(If you had swapped your BA Gold number for an American Airlines ‘no status’ number, BA would put you at the back of the queue for rebooking.)
Of course, if you are redeeming Avios, have NO BA status but DO have status with another oneworld airline, then it makes sense to put that number in the booking for the same reason.
Does this strategy ever work?
Yes, it does. There was a time now gone, and I can’t remember the exact details, when some BA redemptions would credit to American Airlines (or was it the other way round?).
In the good old days of BMI, you could also credit Star Alliance reward flights to Diamond Club, although I never did. They would not post automatically, but if you sent in the boarding pass then they would be credited.
I did once get BMI miles on a Thai Airways business class ticket I won in a competition. It was booked into a reward ticket class, but there was a problem with the ticket at Heathrow and the ticket agent reissued it. The reissued version qualified for miles and was solely responsible for my wife and I retaining BMI Silver status that year!
All in all, though, I wouldn’t see this as a serious opportunity to earn yourself additional miles.
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How to earn Avios from UK credit cards (March 2025)
As a reminder, there are various ways of earning Avios points from UK credit cards. Many cards also have generous sign-up bonuses!
In February 2022, Barclaycard launched two exciting new Barclaycard Avios Mastercard cards with a bonus of up to 25,000 Avios. You can apply here.
You qualify for the bonus on these cards even if you have a British Airways American Express card:

Barclaycard Avios Plus Mastercard
Get 25,000 Avios for signing up and an upgrade voucher at £10,000 Read our full review

Barclaycard Avios Mastercard
Get 5,000 Avios for signing up and an upgrade voucher at £20,000 Read our full review
There are two official British Airways American Express cards with attractive sign-up bonuses:

British Airways American Express Premium Plus
30,000 Avios and the famous annual 2-4-1 voucher Read our full review

British Airways American Express
5,000 Avios for signing up and an Economy 2-4-1 voucher for spending £15,000 Read our full review
You can also get generous sign-up bonuses by applying for American Express cards which earn Membership Rewards points. These points convert at 1:1 into Avios.
SPECIAL OFFER: Until 27th May 2025, the sign-up bonus on the ‘free for a year’ American Express Preferred Rewards Gold card is increased from 20,000 Membership Rewards points to 30,000 points. Points convert 1:1 into Avios (30,000 Avios!) and many other programmes. Some people may see even higher personalised offers. Click here to apply.
SPECIAL OFFER: Until 27th May 2025, the sign-up bonus on American Express Platinum is increased from 50,000 Membership Rewards points to a huge 80,000 points. Points convert 1:1 into Avios (80,000 Avios!) and many other programmes. Some people may see even higher personalised offers. Click here to apply.

American Express Preferred Rewards Gold
Your best beginner’s card – 30,000 points, FREE for a year & four airport lounge passes Read our full review

The Platinum Card from American Express
80,000 bonus points and great travel benefits – for a large fee Read our full review
Run your own business?
We recommend Capital on Tap for limited companies. You earn 1 Avios per £1 which is impressive for a Visa card, and the standard card is FREE. Capital on Tap cards also have no FX fees.

Capital on Tap Visa
NO annual fee, NO FX fees and points worth 1 Avios per £1 Read our full review

Capital on Tap Pro Visa
10,500 points (=10,500 Avios) plus good benefits Read our full review
There is also a British Airways American Express card for small businesses:

British Airways American Express Accelerating Business
30,000 Avios sign-up bonus – plus annual bonuses of up to 30,000 Avios Read our full review
There are also generous bonuses on the two American Express Business cards, with the points converting at 1:1 into Avios. These cards are open to sole traders as well as limited companies.
SPECIAL OFFER: Until 8th April 2025, the sign-up bonus on American Express Business Platinum is increased from 50,000 Membership Rewards points to 120,000 points. You receive 80,000 points when you spend £12,000 within three months and a further 40,000 points if you spend on the card between Month 14 and Month 17. Points convert 1:1 into Avios and many other programmes. Click here to apply.
SPECIAL OFFER: Until 8th April 2025, the sign-up bonus on American Express Business Gold is increased from 20,000 Membership Rewards points to 60,000 points. You receive 40,000 points when you spend £6,000 within three months and a further 20,000 points if you spend on the card between Month 14 and Month 17. Points convert 1:1 into Avios and many other programmes. Click here to apply.

American Express Business Platinum
Up to 120,000 points when you sign-up and an annual £200 Amex Travel credit Read our full review

American Express Business Gold
Up to 60,000 points sign-up bonus and FREE for a year Read our full review
Click here to read our detailed summary of all UK credit cards which earn Avios. This includes both personal and small business cards.
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