Drive or Fly: Salem, IN to West Lafayette, IN?

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 SDF–LAF. At 166 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

3h 22m

Distance

166.6 mi

Total Cost

$72

CO2

67 kg

Cost Breakdown

Diesel$37

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

3h 20m

16m in the air

Air Distance

133 mi

Total Cost

$125

CO2

34 kg

Door-to-Door Timeline

Salem, IN → SDF 54m

Check-in & Security 90m

Flight 16m

Arrival & Baggage 30m

LAF → West Lafayette, IN 10m

Cost Breakdown

Ticket (1 pax @ $125) $125

Airports

Salem, IN SDF — Louisville Muhammad Ali International Airport 36 mi, ~54m drive

West Lafayette, IN LAF — Purdue University Airport 2 mi, ~10m drive

No scheduled flights found

No commercial flights between SDF and LAF. 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 33m

4h 8m on road

Total Cost

$18

CO2

10 kg

Door-to-Door Timeline

Salem, IN → Louisville Bus Station (LUD6) 30m

Boarding 15m

Bus ride 248m

Arrival 10m

Lafayette Bus Stop (LFY6) → West Lafayette, IN 30m

Cost Breakdown

Ticket (1 pax @ $18) $18

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

Stations

From LUD6 — Louisville Bus Station 0 mi, ~30m drive

To LFY6 — Lafayette Bus Stop 0 mi, ~30m 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	3h 22m	3h 20m	5h 33m
Total cost (1 person)	$72	$125	$18
Carbon footprint	67 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 15, 2026.

Decided to drive? See the full trip plan from Salem, IN to West Lafayette, IN with stops, fuel costs, and turn-by-turn directions.