Drive or Fly: Kelso, WA to Redmond, 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 PDX–BFI. At 135 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

2h 44m

Distance

135 mi

Total Cost

$65

CO2

55 kg

Cost Breakdown

Diesel$30

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 35m

13m in the air

Air Distance

112 mi

Total Cost

$124

CO2

29 kg

Door-to-Door Timeline

Kelso, WA → PDX 62m

Check-in & Security 90m

Flight 13m

Arrival & Baggage 30m

BFI → Redmond, WA 20m

Cost Breakdown

Ticket (1 pax @ $124) $124

Airports

Kelso, WA PDX — Portland International Airport 41 mi, ~62m drive

Redmond, WA BFI — King County International Airport - Boeing Field 13 mi, ~20m drive

No scheduled flights found

No commercial flights between PDX 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

3h 39m

2h 32m on rail

Total Cost

$21

CO2

6 kg

Route

Amtrak Cascades

Door-to-Door Timeline

Kelso, WA → Kelso-Longview 10m

Boarding 30m

Train ride 152m

Arrival 10m

Seattle → Redmond, WA 17m

Cost Breakdown

Ticket (1 pax @ $21) $21

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

Stations

From Kelso-Longview 0 mi, ~10m drive

To Seattle 11 mi, ~17m 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

5h 50m

4h 5m on road

Total Cost

$16

CO2

9 kg

Route

FlixBus 2110

Door-to-Door Timeline

Kelso, WA → Portland Curbside Bus Stop (PUT6) 66m

Boarding 15m

Bus ride 245m

Arrival 10m

Seattle (University of Washington) (1UW) → Redmond, WA 14m

Cost Breakdown

Ticket (1 pax @ $16) $16

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

Stations

From PUT6 — Portland Curbside Bus Stop 44 mi, ~66m drive

To 1UW — Seattle (University of Washington) 9 mi, ~14m 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	2h 44m	3h 35m	3h 39m	5h 50m
Total cost (1 person)	$65	$124	$21	$16
Carbon footprint	55 kg CO₂	29 kg CO₂	6 kg CO₂	9 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 Kelso, WA to Redmond, WA with stops, fuel costs, and turn-by-turn directions.