These fares are sold as SAS or SK codes which limits earnings in some programs. Star Alliance in general uses the underlining metal or operating airline to credit miles. But you can't credit these to Alaska. The underlining code seems to be D class on Singapore which credits at 125% (23472) to programs such as Aegean, SAS, EVA Air, Turkish and at 100% (18776) to Lufthansa and United.
Singapore Airlines Airbus 350 Business Class
Singapore Airlines Boeing 777 Business Class
Singapore Airlines Boeing 787 Business Class
Need help with Delta miles? Got doubts about FlyingBlue? Or if you have any questions regarding miles / points. Reach out to the team here using the form below!