Drive or Fly: Park Forest, 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

Medium

No scheduled commercial flights found for GYY–DEC. At 154 miles, driving is the only practical option.

Passengers:
Vehicle:

Drive

Door to Door

2h 34m

Distance

154.2 mi

Total Cost

$69

CO2

62 kg

Cost Breakdown

Diesel$34
Hotel (1 room, 0 nights) $0
Meals (1 pax, 1 day) $35
+ No luggage restrictions or TSA lines
+ Comfortable one-day drive
+ Stop anywhere along the route
+ Have your own car at the destination
+ Likely faster door-to-door than flying
Wear and tear on vehicle
Fuel price fluctuations
Plan the drive

Fly

Door to Door

2h 50m

16m in the air

Air Distance

132 mi

Total Cost

$125

CO2

34 kg

Door-to-Door Timeline

Park Forest, IL → GYY 24m
Check-in & Security 90m
Flight 16m
Arrival & Baggage 30m
DEC → Decatur, IL 10m

Cost Breakdown

Ticket (1 pax @ $125) $125

Airports

Park Forest, IL GYY — Gary/Chicago International Airport 16 mi, ~24m drive
Decatur, IL DEC — Decatur Airport 5 mi, ~10m drive

No scheduled flights found

No commercial flights between GYY and DEC. Flight estimates above are theoretical.

+ Less physical fatigue
+ Predictable arrival time
Airport security and check-in overhead
No scheduled commercial flights found for this route
Luggage fees and restrictions
Less flexibility for stops along the way

Bus

FlixBus

Door to Door

5h 47m

4h 3m on road

Total Cost

$19

CO2

10 kg

Route

FlixBus N2521

Door-to-Door Timeline

Park Forest, IL → Chicago (95th / Dan Ryan) (CHA6) 24m
Boarding 15m
Bus ride 243m
Arrival 10m
Springfield SMTD Transfer Center (SNG6) → Decatur, IL 55m

Cost Breakdown

Ticket (1 pax @ $19) $19

Estimated based on distance. Check flixbus.com for current prices.

Stations

From CHA6 — Chicago (95th / Dan Ryan) 16 mi, ~24m drive
To SNG6 — Springfield SMTD Transfer Center 37 mi, ~55m drive

Service

Direct

Frequency

~14/week

+ Usually the cheapest option
+ Wi-Fi and power outlets on board
+ No driving fatigue — relax or work en route
+ Much lower carbon footprint than driving or flying
Travel time longer than driving
Need transportation to/from station
Less flexibility than driving

At a Glance

Drive Fly Bus
Door-to-door time 2h 34m 2h 50m 5h 47m
Total cost (1 person) $69 $125 $19
Carbon footprint 62 kg CO2 34 kg CO2 10 kg CO2
Flexibility High Low
Luggage Unlimited Restricted
Reliability Weather dependent Data unavailable
Drive data: OSRM routing, EIA fuel prices
Flight data: Statistical estimate
Airports: OurAirports
Transit: FlixBus GTFS — fares estimated
Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 13, 2026.

Decided to drive? See the full trip plan from Park Forest, IL to Decatur, IL with stops, fuel costs, and turn-by-turn directions.