Drive or Fly: Spirit Lake, ID to Idaho Falls, ID?

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 GEG–IDA. At 506 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

7h 50m

Distance

506.5 mi

Total Cost

$148

CO2

205 kg

Cost Breakdown

Diesel$113

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

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 56m

47m in the air

Air Distance

388 mi

Total Cost

$191

CO2

99 kg

Door-to-Door Timeline

Spirit Lake, ID → GEG 59m

Check-in & Security 90m

Flight 47m

Arrival & Baggage 30m

IDA → Idaho Falls, ID 10m

Cost Breakdown

Ticket (1 pax @ $136) $136

Rental car (1 day)$55

Airports

Spirit Lake, ID GEG — Spokane International Airport 39 mi, ~59m drive

Idaho Falls, ID IDA — Idaho Falls Regional Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between GEG and IDA. Flight estimates above are theoretical.

+ Saves about 3h 54m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	7h 50m	3h 56m
Total cost (1 person)	$148	$191
Carbon footprint	205 kg CO₂	99 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

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 12, 2026.

Decided to drive? See the full trip plan from Spirit Lake, ID to Idaho Falls, ID with stops, fuel costs, and turn-by-turn directions.