What are the most popular routes to Dubuque?
| Iowa City - Dubuque | Average priceCLP 68,167 | Average duration5h 35m | Daily departures3 | |
| Oskaloosa - Dubuque | Average priceCLP 102,611 | Average duration6h 15m | Daily departures1 | |
| Denver - Dubuque | Average priceCLP 174,451 | Average duration19h 10m | Daily departures1 | |
| Cedar Rapids - Dubuque | Average priceCLP 51,934 | Average duration6h 15m | Daily departures1 | |
| Naperville - Dubuque | Average priceCLP 86,865 | Average duration3h 40m | Daily departures1 | |