Drive or Fly: Kelso, WA to Spokane Valley, WA?

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 PDX–GEG. At 374 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

7h 7m

Distance

374 mi

Total Cost

$118

CO2

151 kg

Cost Breakdown

Diesel$83

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

3h 58m

35m in the air

Air Distance

288 mi

Total Cost

$187

CO2

73 kg

Door-to-Door Timeline

Kelso, WA → PDX 62m

Check-in & Security 90m

Flight 35m

Arrival & Baggage 30m

GEG → Spokane Valley, WA 21m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

Kelso, WA PDX — Portland International Airport 41 mi, ~62m drive

Spokane Valley, WA GEG — Spokane International Airport 14 mi, ~21m drive

No scheduled flights found

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

+ Saves about 3h 9m 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

Bus

FlixBus

Door to Door

11h 8m

9h 25m on road

Total Cost

$32

CO2

17 kg

Route

FlixBus 2120

Door-to-Door Timeline

Kelso, WA → Portland Curbside Bus Stop (PUT6) 66m

Boarding 15m

Bus ride 565m

Arrival 10m

Spokane Station (SPO6) → Spokane Valley, WA 12m

Cost Breakdown

Ticket (1 pax @ $32) $32

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

Stations

From PUT6 — Portland Curbside Bus Stop 44 mi, ~66m drive

To SPO6 — Spokane Station 8 mi, ~12m drive

Service

Direct

Frequency

~7/week

+ Usually the cheapest option

+ Wi-Fi and power outlets on board

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 7 trips per week

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Bus
Door-to-door time	7h 7m	3h 58m	11h 8m
Total cost (1 person)	$118	$187	$32
Carbon footprint	151 kg CO₂	73 kg CO₂	17 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: FlixBus 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 13, 2026.

Decided to drive? See the full trip plan from Kelso, WA to Spokane Valley, WA with stops, fuel costs, and turn-by-turn directions.