Swiss Railways (SBB/CFF/FFS) operates a train from Chur to Brig hourly. Tickets cost $40 - $75 and the journey takes 1 h 14 min. Swiss Railways (SBB/CFF/FFS) also services this route hourly.
How to get from Chur to Brig
From Chur train to Zürich HB then train to Brig. 4 h 12 min SFr 175. From Chur train to Disentis/Mustér, train to Andermatt, then train to Brig Bahnhofplatz. 5 h 54 min SFr 130. From Chur drive to Brig. 4 h 6 min SFr 43.