Drive or Fly: Post Falls, ID to Bonners Ferry, 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–GEG. At 81 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

1h 45m

Distance

81.5 mi

Total Cost

$53

CO2

33 kg

Cost Breakdown

Diesel$18

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

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

5h 10m

9m in the air

Air Distance

73 mi

Total Cost

$123

CO2

19 kg

Door-to-Door Timeline

Post Falls, ID → GEG 42m

Check-in & Security 90m

Flight 9m

Arrival & Baggage 30m

GEG → Bonners Ferry, ID 139m

Cost Breakdown

Ticket (1 pax @ $123) $123

Airports

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

Bonners Ferry, ID GEG — Spokane International Airport 93 mi, ~139m drive

No scheduled flights found

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

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

3h 4m

1h 5m on rail

Total Cost

$12

CO2

3 kg

Route

Empire Builder

Door-to-Door Timeline

Post Falls, ID → Spokane 33m

Boarding 30m

Train ride 65m

Arrival 10m

Sandpoint Amtrak → Bonners Ferry, ID 46m

Cost Breakdown

Ticket (1 pax @ $12) $12

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Spokane 22 mi, ~33m drive

To Sandpoint Amtrak 31 mi, ~46m drive

Service

Direct

Frequency

~4/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 4 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train
Door-to-door time	1h 45m	5h 10m	3h 4m
Total cost (1 person)	$53	$123	$12
Carbon footprint	33 kg CO₂	19 kg CO₂	3 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

Transit: Amtrak GTFS — fares estimated

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.

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