What are the most popular routes to Dubuque?
| Chicago - Dubuque | Average priceR 1 427 | Average duration3h 30m | Daily departures1 | |
| Iowa City - Dubuque | Average priceR 1 217 | Average duration5h 35m | Daily departures3 | |
| Naperville - Dubuque | Average priceR 1 550 | Average duration3h 40m | Daily departures1 | |
| Denver - Dubuque | Average priceR 3 113 | Average duration19h 10m | Daily departures1 | |
| Champaign - Dubuque | Average priceR 1 620 | Average duration7h 10m | Daily departures1 | |
Operators serving Dubuque
