Demand is expected to be off the charts, so don't delay booking your tickets for this winter.
Because SJ uses dynamic pricing, popular journeys quickly become more expensive.
"Services will probably sell out fairly quickly, so the trick here is to get in early and not wait until three days before you travel," SJ commercial director Sofie Struwe told the Göteborgs-Posten newspaper.
FROM THE ARCHIVE: The Local's ultimate guide to exploring Sweden by train