Originally Posted by
sbiddle
And I wouldn't see any reason why you would.
Some airlines require you to present the credit card used to book the travel, e.g. for Jetstar:
http://www.jetstar.com/nz/en/help/ar...ayment-options
On selected routes, it is a condition of sale, check-in and boarding that the original, physical credit/debit card used to purchase the ticket(s) must be presented by the credit/debit card owner for verification at the airport.