Drive or Fly: West Lake Sammamish, 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 BFI–PSC. At 214 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

4h 1m

Distance

214.4 mi

Total Cost

$82

CO2

87 kg

Cost Breakdown

Diesel$47

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 45m

20m in the air

Air Distance

169 mi

Total Cost

$182

CO2

43 kg

Door-to-Door Timeline

West Lake Sammamish, WA → BFI 15m

Check-in & Security 90m

Flight 20m

Arrival & Baggage 30m

PSC → Kennewick, WA 10m

Cost Breakdown

Ticket (1 pax @ $127) $127

Rental car (1 day)$55

Airports

West Lake Sammamish, WA BFI — King County International Airport - Boeing Field 10 mi, ~15m drive

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

No scheduled flights found

No commercial flights between BFI 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

− 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	4h 1m	2h 45m
Total cost (1 person)	$82	$182
Carbon footprint	87 kg CO₂	43 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

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 19, 2026.

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