Drive or Fly: Union, MI to Flint, MI?
Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.
Driving wins
MediumNo scheduled commercial flights found for SBN–FNT. At 172 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
3h 13m
Distance
172.7 mi
Total Cost
$73
CO2
70 kg
Cost Breakdown
Fly
Door to Door
3h 3m
17m in the air
Air Distance
140 mi
Total Cost
$126
CO2
36 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SBN and FNT. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 3h 13m | 3h 3m |
| Total cost (1 person) | $73 | $126 |
| Carbon footprint | 70 kg CO2 | 36 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 17, 2026.
Route Options
2 different routes between these cities.
via I 69, I 94, US 131
via I 69, US 12, I 69; I 94 BL
Decided to drive? See the full trip plan from Union, MI to Flint, MI with stops, fuel costs, and turn-by-turn directions.