Drive or Fly: Kent, WA to Deer Park, WA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

Short enough to drive comfortably in a day. Airport overhead makes flying slower door-to-door. Available flights require a connection, adding time and cost.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 49m

Distance

300.4 mi

Total Cost

$92

CO2

121 kg

Cost Breakdown

Diesel$57

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 12m

27m in the air

Air Distance

225 mi

Total Cost

$184

CO2

57 kg

Door-to-Door Timeline

Kent, WA → SEA 10m

Check-in & Security 90m

Flight 27m

Arrival & Baggage 30m

GEG → Deer Park, WA 35m

Cost Breakdown

Ticket (1 pax @ $129) $129

Rental car (1 day)$55

Airports

Kent, WA SEA — Seattle–Tacoma International Airport 6 mi, ~10m drive

Deer Park, WA GEG — Spokane International Airport 23 mi, ~35m drive

Flight Data

Service

Connecting only

On-Time

100.0%

+ Saves about 2h 37m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

Bus

FlixBus

Door to Door

7h 25m

6h on road

Total Cost

$25

CO2

17 kg

Door-to-Door Timeline

Kent, WA → Seattle Tacoma Intl Airport (SAP6) 30m

Boarding 15m

Bus ride 360m

Arrival 10m

Spokane Station (SPO6) → Deer Park, WA 30m

Cost Breakdown

Ticket (1 pax @ $25) $25

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

Stations

From SAP6 — Seattle Tacoma Intl Airport 0 mi, ~30m drive

To SPO6 — Spokane Station 0 mi, ~30m drive

Service

Direct

Frequency

~8/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 8 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	5h 49m	3h 12m	7h 25m
Total cost (1 person)	$92	$184	$25
Carbon footprint	121 kg CO₂	57 kg CO₂	17 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	100% on-time

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 Jul 20, 2026.

Decided to drive? See the full trip plan from Kent, WA to Deer Park, WA with stops, fuel costs, and turn-by-turn directions.