Drive or Fly: Post Falls, ID to Bellevue, 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–SUN. At 463 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

10h 14m

Distance

463.4 mi

Total Cost

$282

CO2

187 kg

Cost Breakdown

Diesel$102

Hotel (1 room, 1 night) $110

Meals (1 pax, 2 days) $70

+ No luggage restrictions or TSA lines

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Requires 2 days of driving

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 31m

39m in the air

Air Distance

321 mi

Total Cost

$188

CO2

82 kg

Door-to-Door Timeline

Post Falls, ID → GEG 42m

Check-in & Security 90m

Flight 39m

Arrival & Baggage 30m

SUN → Bellevue, ID 10m

Cost Breakdown

Ticket (1 pax @ $133) $133

Rental car (1 day)$55

Airports

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

Bellevue, ID SUN — Friedman Memorial Airport 3 mi, ~10m drive

No scheduled flights found

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

+ Saves about 6h 43m 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 14m	3h 31m
Total cost (1 person)	$282	$188
Carbon footprint	187 kg CO₂	82 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 18, 2026.

Route Options

2 different routes between these cities.

Fastest

463.4 mi 10h 14m

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

Alternative (+24 min)

578.2 mi 10h 38m

via I 84; US 30; US 395, US 395, I 90; US 395

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