Originally Posted by Phooey
I have looked at our expenditure and estimate that we could get 100,000 BA Miles in around 9 months using a lot of the tips that Raffles shared. Unfortunately, the holiday voucher is only valid for 12 months so by the time we have the 100,000 miles, we'd have a maximum of 3 months to get flights which as you suggest we'd be unlikely to find in time. If only I'd found this site last year
I'm pretty sure you can call up BA and they will extend the validity of the amex 2-4-1 voucher by another 6 months... giving you 18 months instead of 12.