Travel Recommendation: Sidney, MT to Ann Arbor, MI
Air Travel
- Companies: Delta Airlines, American Airlines
 - Duration: Approximately 6 hours (including layover)
 - Distance: 1,200 miles
 - Costs: Approximately €300 - €450 (depending on booking time and availability)
 - Roads/Routes: Not applicable for air travel
 
Pro Tip: Book your tickets at least 2 months in advance and consider flying from Billings Logan International Airport (BIL) to avoid higher prices from smaller regional airports.
Ground Travel
- Companies: Greyhound, Megabus (if available)
 - Duration: Approximately 15 hours (non-stop)
 - Distance: 900 miles
 - Costs: Approximately €100 - €150
 - Roads/Routes: Take I-94 E directly from Sidney to Ann Arbor.
 
Pro Tip: Pack snacks and a portable charger to stay comfortable during the long journey on buses.
Car Travel
- Companies: [Rental companies like Enterprise, Hertz]
 - Duration: Approximately 13 hours
 - Distance: 900 miles
 - Costs: Estimated rental costs around €60 per day + fuel (€100 total), tolls and insurance may be additional.
 - Roads/Routes: I-94 E is the primary route. Take US-2 E from Sidney to I-94.
 
Pro Tip: Download offline maps and plan your stops at interesting places along I-94 for a more enjoyable road trip experience.
Conclusion
For a balance of comfort and time efficiency, flying from Billings directly to Detroit Metropolitan Airport (DTW) is highly recommended, followed by a short car rental to Ann Arbor. However, if looking for a budget-friendly option, consider the bus as an alternative. Enjoy your trip!