What are the most popular routes to Alton?
| Chicago - Alton | Average priceCLP 40 383 | Average duration4h 10m | Daily departures5 | |
| Bloomington - Alton | Average priceCLP 21 915 | Average duration2h 1m | Daily departures5 | |
| Summit - Alton | Average priceCLP 39 357 | Average duration3h 48m | Daily departures3 | |
| Springfield - Alton | Average priceCLP 13 946 | Average duration1h 1m | Daily departures5 | |
| Glenview - Alton | Average priceCLP 67 188 | Average duration6h 32m | Daily departures5 | |
