What are the most popular routes to Unión?
| San Rafael - Unión | Average priceCOP 74,304 | Average duration3h 27m | Daily departures2 | |
| Buenos Aires - Unión | Average priceCOP 208,258 | Average duration10h 32m | Daily departures2 | |
| General Alvear - Unión | Average priceCOP 69,662 | Average duration1h 43m | Daily departures2 | |
| Mendoza - Unión | Average priceCOP 81,093 | Average duration6h 43m | Daily departures2 | |
| General Pico - Unión | Average priceCOP 74,620 | Average duration3h 10m | Daily departures1 | |
