Drive or Fly: Caldwell, ID to Priest River, ID?

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

Could go either way

Medium

This distance is a toss-up. Drive if you want flexibility and lower cost, fly if you value time. Connecting flights add time.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

8h 35m

Distance

448.4 mi

Total Cost

$146

CO2

181 kg

Cost Breakdown

Diesel$111

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

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

4h 25m

37m in the air

Air Distance

312 mi

Total Cost

$187

CO2

80 kg

Door-to-Door Timeline

Caldwell, ID → BOI 36m

Check-in & Security 90m

Flight 37m

Arrival & Baggage 30m

GEG → Priest River, ID 72m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

Caldwell, ID BOI — Boise Air Terminal/Gowen Field 24 mi, ~36m drive

Priest River, ID GEG — Spokane International Airport 48 mi, ~72m drive

Flight Data

Service

Connecting only

On-Time

100.0%

+ Saves about 4h 10m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− 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 35m	4h 25m
Total cost (1 person)	$146	$187
Carbon footprint	181 kg CO₂	80 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	100% on-time

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 Oct 23, 2026.

Route Options

2 different routes between these cities.

Fastest

448.4 mi 8h 35m

via I 84; US 20; US 26; US 30, US 395, US 2

Shortest (+26 min)

426.5 mi 9h 1m

via US 95, US 195, US 2

Decided to drive? See the full trip plan from Caldwell, ID to Priest River, ID with stops, fuel costs, and turn-by-turn directions.