没有直达车，你可以在银川或兰州中转，我个人认为在兰州中转更好一些，毕竟兰州是大站，到西宁的车多。
以下是呼和浩特到兰州的车次：
车次,
始发站,
终点站,
车辆类型,
发站,
发时,
到站,
到时,
里程,
历时,
硬座,
软座,
硬卧中,
软卧下
1717/1720,呼和浩特,成都,普快,呼和浩特,15:00,兰州,08:44,1144,17:44,70,125,147,244
K43A,北京,兰州,空调快速,呼和浩特,22:24,兰州,14:57,1144,16:33,143,226,254,400
以下是兰州到西宁的车次：
1048/1049,成都,格尔木,普快,兰州,14:57,西宁,19:20,216,04:23,17,28,65,102
2009A,郑州,西宁,普快,兰州,06:54,西宁,11:56,216,05:02,17,28,65,102
K172/K173A,青岛,西宁,快速,兰州,14:37,西宁,18:50,216,04:13,19,30,69,106
K376/K377,上海,西宁,空调快速,兰州,14:10,西宁,17:46,216,03:36,33,50,106,162
N901,银川,西宁,快速,兰州,06:31,西宁,10:55,216,04:24,19,30,69,106
N903,兰州,格尔木,快速,兰州,17:49,西宁,21:36,216,03:47,19,30,69,106
T151,北京西,西宁,空调特快,兰州,11:17,西宁,15:06,216,03:49,33,50,106,162
T653,兰州,西宁,空调特快,兰州,08:25,西宁,11:14,216,02:49,33,50,106,162
T655,兰州,西宁,空调特快,兰州,15:36,西宁,18:32,216,02:56,33,50,106,162
春运期间还有呼和浩特到兰州的临客！
温馨提示：答案为网友推荐，仅供参考