Chicago O'Hare to Dubuque, IA: Bus Connections (No Direct Service)
No direct bus** runs from Chicago O'Hare (ORD) to Dubuque, Iowa. The journey requires a connection — typically in Rockford, IL.
Best Public Option: Suburban Express + Greyhound
- ORD → Rockford, IL: **Suburban Express** (or **Van Galder / Coach USA**). Departs Terminal 5, Lower Level. ~2 hrs. $20–$30. Runs hourly.
- Rockford → Dubuque: **Greyhound** (or **Burlington Trailways**). Departs Rockford Greyhound Station (200 Wyman St). ~3.5–4 hrs. $30–$50.
- Total: 6–7 hours + layover. Cost: $50–$80.
Alternative: Train + Bus
- ORD → Chicago Union Station (CTA Blue Line, 45 min).
- Amtrak **California Zephyr** / **Southwest Chief** → **Galesburg, IL** (3.5 hrs).
- Burlington Trailways Galesburg → Dubuque (2 hrs). Total ~7 hrs.
Driving (Often Best)
- Rent car at ORD. **I-90 W → I-39 N → US-20 W** = 180 mi, **3 hrs 15 min** (no traffic).
- Flexible, faster, often cheaper for 2+ people.
Dubuque Arrival
Greyhound drops at **Dubuque Intermodal Center** (100 E 11th St). Local transit (The Jule), taxi, Uber to final destination.
Book connections with 60+ min buffer. Winter weather can disrupt I-39/US-20.