What are the most popular routes to Summit?
| St. Louis - Summit | Average priceTHB 1 969 | Average duration4h 19m | Daily departures4 | |
| Chicago - Summit | Average priceTHB 333 | Average duration22m | Daily departures3 | |
| Springfield - Summit | Average priceTHB 1 522 | Average duration2h 38m | Daily departures4 | |
| Joliet - Summit | Average priceTHB 400 | Average duration25m | Daily departures4 | |
| Bloomington - Summit | Average priceTHB 1 005 | Average duration1h 43m | Daily departures4 | |
