Drive or Fly: Alton, IL to Decatur, IL?
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–DEC. At 107 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
2h 24m
Distance
107.3 mi
Total Cost
$59
CO2
43 kg
Cost Breakdown
Fly
Door to Door
2h 42m
11m in the air
Air Distance
93 mi
Total Cost
$124
CO2
24 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between STL and DEC. Flight estimates above are theoretical.
Train
Amtrak
Door to Door
2h 58m
1h 23m on rail
Total Cost
$19
CO2
5 kg
Route
Lincoln Service
Door-to-Door Timeline
Cost Breakdown
Estimated based on distance. Check amtrak.com for current prices.
Stations
Service
Direct
Frequency
~3/week
At a Glance
| Drive | Fly | Train | |
|---|---|---|---|
| Door-to-door time | 2h 24m | 2h 42m | 2h 58m |
| Total cost (1 person) | $59 | $124 | $19 |
| Carbon footprint | 43 kg CO2 | 24 kg CO2 | 5 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 14, 2026.
Decided to drive? See the full trip plan from Alton, IL to Decatur, IL with stops, fuel costs, and turn-by-turn directions.