Beijing to Ulan-Bator
There are optional trains run across the parts of Trans-Siberian such as the route of Beijing to Ulan-Bator.The train K23 departs Beijing to Ulan-Bator on every Tuesday. Please check the train schedule as below.

| Beijing to Ulan-Bator Train K23 | FARE(USD) | |||||||
| Arr. Time | Dep. Time | Day | Nights | Station | Distance(km) | Deluxe | Soft | Hard |
| -- | 07:45 | Tue | 0 | Beijing | 0 | 0 | 0 | 0 |
| 13:51 | 14:15 | Tue | 0 | Datong | 374 | N/A | $60 | $54 |
| 20:37 | 00:00 | Tue | 0 | Erlian | 834 | N/A | $75 | $64 |
| 00:25 | 01:40 | Wed | 1 | Dzamyn-Ude | -- | $257 | $235 | $194 |
| 13:15 | -- | Wed | 1 | Ulan-Bator | 1357 | $343 | $316 | $252 |

