Drive or Fly: Saint Peters, MO to Dexter, MO?
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 STL–CGI. At 189 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
3h 35m
Distance
189.6 mi
Total Cost
$77
CO2
77 kg
Cost Breakdown
Fly
Door to Door
3h 33m
17m in the air
Air Distance
143 mi
Total Cost
$126
CO2
37 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between STL and CGI. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 3h 35m | 3h 33m |
| Total cost (1 person) | $77 | $126 |
| Carbon footprint | 77 kg CO2 | 37 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 15, 2026.
Decided to drive? See the full trip plan from Saint Peters, MO to Dexter, MO with stops, fuel costs, and turn-by-turn directions.