12/16 - SEA/02:30a SPO/08:10a
12/17 - SPO/01:45a SEA/07:25a
so we'd have ~5 hours to kill after getting in and when the movies start and a couple more when they were done... but nobody would have to drive!
still, it's greyhound. ugh... it's a thought though, and mgiht end up being cheaper than driving. base cost is $53...