I think OP wants to leave from one city, and return to another. Origin open jaw. So the “return from another city” on the standard SAS booking doesn’t work for that.

2. Origin open jaw

An origin open jaw is a flight where the passenger returns from the destination to a different city to where they started their trip. It is a great traveling method for business travelers who need to find the quickest, most efficient and affordable variation for their business trip.

https://www.goopti.com/en/about/goop...usiness%20trip.