I think the two pounds to which you refer was the amount one could be charged for access to your own data under the Data Protection Act. That act has now been extended and the charge is now generally ten pounds. But this is for certain types of information only and it is only for you personally to access your own information. A body can charge you what it likes to allow someone else access to your information.
As for my opinion (as requested!) I'm surprised anybody who can afford to fly, even in America, would care enough about fifteen quid to query it.