Drive or Fly: Liberty Lake, WA to Kennewick, 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–PSC. At 155 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

2h 57m

Distance

155.9 mi

Total Cost

$70

CO2

63 kg

Cost Breakdown

Diesel$35

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

2h 57m

17m in the air

Air Distance

139 mi

Total Cost

$126

CO2

35 kg

Door-to-Door Timeline

Liberty Lake, WA → GEG 30m

Check-in & Security 90m

Flight 17m

Arrival & Baggage 30m

PSC → Kennewick, WA 10m

Cost Breakdown

Ticket (1 pax @ $126) $126

Airports

Liberty Lake, WA GEG — Spokane International Airport 20 mi, ~30m drive

Kennewick, WA PSC — Tri Cities Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between GEG and PSC. 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

4h 2m

2h 51m on rail

Total Cost

$25

CO2

7 kg

Route

Empire Builder

Door-to-Door Timeline

Liberty Lake, WA → Spokane 21m

Boarding 30m

Train ride 171m

Arrival 10m

Pasco Amtrak Station → Kennewick, WA 10m

Cost Breakdown

Ticket (1 pax @ $25) $25

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

Stations

From Spokane 14 mi, ~21m drive

To Pasco Amtrak Station 3 mi, ~10m drive

Service

Direct

Frequency

~2/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 2 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	2h 57m	2h 57m	4h 2m
Total cost (1 person)	$70	$126	$25
Carbon footprint	63 kg CO₂	35 kg CO₂	7 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 13, 2026.

Decided to drive? See the full trip plan from Liberty Lake, WA to Kennewick, WA with stops, fuel costs, and turn-by-turn directions.