Originally Posted by Keystone

You can turn a non holiday booking into a holiday beyadding a car, whilst going through the booking process. I did this last week as I was flying out WT+ and back CW, which you can't do as a BA holiday booking. The booking screens offer the chance to add a car after the flights have been selected and this turns the booking into a holiday, with the bonus Avios points and deposit only option being offered, This has not always been the case - last year when I tried this adding a car didn't turn it into a deposit only required booking. Not sure if this applies to a flight only booking made using the 72 hour hold facility - would be interested to hear if this is the case.