Originally Posted by
pubkraal
it seems to specifically ask for Flying Blue; if I recall correctly, you can select a different frequent flyer program on the passenger info page and then enter the SAS one.
Thanks. Even when I chose SAS Eurobonus as the FF programme, the website still insisted that the number must be 12 characters and a Flying Blue number. I managed to add my SAS EB number to the booking on SAS website.