Drive or Fly: Auburn, WA to East Port Orchard, 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 SEA–BFI. At 39 miles, driving is the only practical option.

Passengers:
Vehicle:

Drive

Door to Door

54m

Distance

39 mi

Total Cost

$44

CO2

16 kg

Cost Breakdown

Diesel$9
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 42m

3m in the air

Air Distance

24 mi

Total Cost

$121

CO2

6 kg

Door-to-Door Timeline

Auburn, WA → SEA 16m
Check-in & Security 90m
Flight 3m
Arrival & Baggage 30m
BFI → East Port Orchard, WA 23m

Cost Breakdown

Ticket (1 pax @ $121) $121

Airports

Auburn, WA SEA — Seattle–Tacoma International Airport 10 mi, ~16m drive
East Port Orchard, WA BFI — King County International Airport - Boeing Field 15 mi, ~23m drive

No scheduled flights found

No commercial flights between SEA and BFI. 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

2h 10m

52m on rail

Total Cost

$5

CO2

1 kg

Route

Amtrak Cascades

Door-to-Door Timeline

Auburn, WA → Tacoma 16m
Boarding 30m
Train ride 52m
Arrival 10m
Seattle → East Port Orchard, WA 22m

Cost Breakdown

Ticket (1 pax @ $5) $5

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

Stations

From Tacoma 10 mi, ~16m drive
To Seattle 15 mi, ~22m drive

Service

Direct

Frequency

~6/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 6 trips per week
Amtrak delays can be unpredictable
Need transportation to/from station
Less flexibility than driving

Bus

FlixBus

Door to Door

1h 22m

20m on road

Total Cost

$1

CO2

1 kg

Route

FlixBus 2110

Door-to-Door Timeline

Auburn, WA → Seattle Tacoma Intl Airport (SAP6) 15m
Boarding 15m
Bus ride 20m
Arrival 10m
Seattle Bus Station (SEA6) → East Port Orchard, WA 22m

Cost Breakdown

Ticket (1 pax @ $1) $1

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

Stations

From SAP6 — Seattle Tacoma Intl Airport 10 mi, ~15m drive
To SEA6 — Seattle Bus Station 15 mi, ~22m 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 Train Bus
Door-to-door time 54m 2h 42m 2h 10m 1h 22m
Total cost (1 person) $44 $121 $5 $1
Carbon footprint 16 kg CO2 6 kg CO2 1 kg CO2 1 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, 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 Auburn, WA to East Port Orchard, WA with stops, fuel costs, and turn-by-turn directions.