Drive or Fly: Post Falls, ID to Paul, ID?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No direct flights for GEG–TWF. Driving is the practical choice at this distance.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

10h

Distance

610.1 mi

Total Cost

$164

CO2

246 kg

Cost Breakdown

Diesel$129

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 23m

46m in the air

Air Distance

385 mi

Total Cost

$190

CO2

98 kg

Door-to-Door Timeline

Post Falls, ID → GEG 42m

Check-in & Security 90m

Flight 46m

Arrival & Baggage 30m

TWF → Paul, ID 55m

Cost Breakdown

Ticket (1 pax @ $135) $135

Rental car (1 day)$55

Airports

Post Falls, ID GEG — Spokane International Airport 28 mi, ~42m drive

Paul, ID TWF — Joslin Field Magic Valley Regional Airport 37 mi, ~55m drive

No scheduled flights found

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

+ Saves about 5h 37m 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	10h	4h 23m
Total cost (1 person)	$164	$190
Carbon footprint	246 kg CO₂	98 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 Jun 3, 2026.

Route Options

2 different routes between these cities.

Fastest

610.1 mi 9h 59m

via I 90, I 15, I 86

Shortest (+41 min)

602.3 mi 10h 40m

via I 84; US 30; US 395, I 84; US 30, US 395

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