Norwegian Railways (NSB) operates a train from Lillehammer to Trondheim every 4 hours. Tickets cost $40 - $60 and the journey takes 4 h 31 min. Alternatively, Ruter operates a bus from Lillehammer to Trondheim twice daily. Tickets cost $31 - $37 and the journey takes 2 h 6 min. 2 other operators also service this route.
From Lillehammer train to Trondheim S. 4 h 31 min kr 413. From Fåberggata-Løkkegata N bus to Otta skysstasjon then bus to Trondheim S. 7 h 48 min kr 450. From Lillehammer drive to Trondheim. 5 h 12 min kr 595. From Lillehammer train to Oslo airport, fly to Trondheim airport, then train to Trondheim. 4 h 43 min kr 1006.