Drive or Fly: Renton, WA to Entiat, 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–EAT. At 161 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

3h 19m

Distance

161 mi

Total Cost

$71

CO2

65 kg

Cost Breakdown

Diesel$36

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 50m

11m in the air

Air Distance

95 mi

Total Cost

$124

CO2

24 kg

Door-to-Door Timeline

Renton, WA → BFI 10m

Check-in & Security 90m

Flight 11m

Arrival & Baggage 30m

EAT → Entiat, WA 29m

Cost Breakdown

Ticket (1 pax @ $124) $124

Airports

Renton, WA BFI — King County International Airport - Boeing Field 5 mi, ~10m drive

Entiat, WA EAT — Pangborn Memorial Airport 19 mi, ~29m drive

No scheduled flights found

No commercial flights between BFI and EAT. 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

Bus

FlixBus

Door to Door

4h 29m

2h 40m on road

Total Cost

$10

CO2

5 kg

Route

FlixBus 2120

Door-to-Door Timeline

Renton, WA → Seattle Tacoma Intl Airport (SAP6) 10m

Boarding 15m

Bus ride 160m

Arrival 10m

Ellensburg (Central Washington University) (1CW) → Entiat, WA 74m

Cost Breakdown

Ticket (1 pax @ $10) $10

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

Stations

From SAP6 — Seattle Tacoma Intl Airport 5 mi, ~10m drive

To 1CW — Ellensburg (Central Washington University) 49 mi, ~74m 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	3h 19m	2h 50m	4h 29m
Total cost (1 person)	$71	$124	$10
Carbon footprint	65 kg CO₂	24 kg CO₂	5 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 Renton, WA to Entiat, WA with stops, fuel costs, and turn-by-turn directions.