What are the most popular routes to Unión?
| Mendoza - Unión | Average priceCOP 89,505 | Average duration6h 28m | Daily departures2 | |
| San Rafael - Unión | Average priceCOP 76,266 | Average duration3h 13m | Daily departures2 | |
| General Alvear - Unión | Average priceCOP 75,679 | Average duration1h 43m | Daily departures2 | |
| General Pico - Unión | Average priceCOP 88,643 | Average duration3h 10m | Daily departures1 | |
| Junín - Unión | Average priceCOP 100,607 | Average duration6h | Daily departures1 | |
