Healy creek is normal way. It has ski tracks & is often hard packed. Last February I booted most of the way & put snowshoes only after trail exited to meadows below Healy Pass. Sunshine is much longer & doesn't really make sense, although I guess you could get free ride up with season pass, then ski over.
Have the opportunity to head out with my son this weekend for an overnight. Trying to find someplace fairly easy (8-10km) that doesn't go into avalanche terrain. Thinking heading up Spray Lakes way towards Marvel Lake