Drive or Fly: Sandpoint, 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 524 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

8h 50m

Distance

524.1 mi

Total Cost

$151

CO2

212 kg

Cost Breakdown

Diesel$116

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

4h 34m

48m in the air

Air Distance

397 mi

Total Cost

$191

CO2

101 kg

Door-to-Door Timeline

Sandpoint, ID → GEG 96m

Check-in & Security 90m

Flight 48m

Arrival & Baggage 30m

IDA → Idaho Falls, ID 10m

Cost Breakdown

Ticket (1 pax @ $136) $136

Rental car (1 day)$55

Airports

Sandpoint, ID GEG — Spokane International Airport 64 mi, ~96m 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 4h 16m 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	8h 50m	4h 34m
Total cost (1 person)	$151	$191
Carbon footprint	212 kg CO₂	101 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 21, 2026.

Route Options

2 different routes between these cities.

Fastest

524.1 mi 8h 50m

via I 90, I 15, US 95

Alternative (+83 min)

529.9 mi 10h 13m

via I 90, I 15, US 12; US 93

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