Originally Posted by
Raffles
You MAY be able to use Air Miles AND upgrade. If you use Air Miles to book, you may be able to upgrade to Club Europe later by using 'Manage My Booking' at ba.com. For Gatwick flights, you now automatically get an 'Upgrade for £50' box appearing when you look at your booking online. I cannot be 100% certain that it would let you upgrade an Air Miles ticket, but you probably can as they normally book into revenue classes.
You CERTAINLY can pay £50 at check-in at Gatwick to upgrade to Club Europe, if there are seats. However, I'm not sure if you're allowed lounge access if you do this.
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I have a booking to BLQ for Feb, and this morning MMB had an option to upgrade to CE for £50, but now its gone... (although checking availability in CE, it has not changed, and flight seems empty).
By the way, do they offer the £50 at the airport on flight to LGW, as well as from LGW?