What are the most popular routes to Summit?
| St. Louis - Summit | Average priceTHB 1,953 | Average duration4h 19m | Daily departures4 | |
| Chicago - Summit | Average priceTHB 331 | Average duration22m | Daily departures3 | |
| Springfield - Summit | Average priceTHB 1,510 | Average duration2h 38m | Daily departures4 | |
| Joliet - Summit | Average priceTHB 397 | Average duration25m | Daily departures4 | |
| Bloomington - Summit | Average priceTHB 997 | Average duration1h 43m | Daily departures4 | |
