Drive or Fly: Spokane Valley, WA to Kelso, 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 GEG–PDX. At 375 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

7h 8m

Distance

375.3 mi

Total Cost

$118

CO2

152 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

Spokane Valley, WA → GEG 21m

Check-in & Security 90m

Flight 35m

Arrival & Baggage 30m

PDX → Kelso, WA 62m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

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

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

No scheduled flights found

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

+ Saves about 3h 10m 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

10h 53m

9h 10m on road

Total Cost

$32

CO2

17 kg

Route

FlixBus 2120

Door-to-Door Timeline

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

Boarding 15m

Bus ride 550m

Arrival 10m

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

Cost Breakdown

Ticket (1 pax @ $32) $32

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

Stations

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

To PUT6 — Portland Curbside Bus Stop 44 mi, ~66m 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 8m	3h 58m	10h 53m
Total cost (1 person)	$118	$187	$32
Carbon footprint	152 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 Spokane Valley, WA to Kelso, WA with stops, fuel costs, and turn-by-turn directions.