What are the most popular routes to Treto?
| Santander - Treto | Average priceTRY 547 | Average duration1h 46m | Daily departures11 | |
| Colindres - Treto | Average priceTRY 270 | Average duration5m | Daily departures5 | |
| Maliano - Treto | Average priceTRY 362 | Average duration53m | Daily departures4 | |
| Santoña - Treto | Average priceTRY 265 | Average duration20m | Daily departures4 | |
| Berria - Treto | Average priceTRY 268 | Average duration18m | Daily departures9 | |
