Norwegian.com flies direct from London Gatwick to Trondheim from £29 one way incl tax.
Alaskan Husky Tour (huskytour.net). Runs tours from NOK890pp (£96)
Røros Hotel (roroshotell.no), doubles from NOK 1,150, including breakfast
Britannia Hotel, Trondheim (britannia.no/english). Doubles from 1,295 (double), including breakfast.
Further information from Visit Norway, visitnorway.co.uk. Information on Røros, roros.no/