What are the most popular routes to Dubuque?
| Iowa City - Dubuque | Average priceARS 104,034 | Average duration5h 35m | Daily departures3 | |
| Champaign - Dubuque | Average priceARS 138,578 | Average duration7h 10m | Daily departures1 | |
| Chicago - Dubuque | Average priceARS 104,034 | Average duration4h 30m | Daily departures1 | |
| Naperville - Dubuque | Average priceARS 132,571 | Average duration3h 40m | Daily departures1 | |
| Indianapolis - Dubuque | Average priceARS 178,386 | Average duration9h 20m | Daily departures1 | |