Drive or Fly: Salmon, ID to Lewiston, ID?

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 SMN–LWS. At 335 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

7h 27m

Distance

335 mi

Total Cost

$109

CO2

135 kg

Cost Breakdown

Diesel$74

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 41m

21m in the air

Air Distance

173 mi

Total Cost

$182

CO2

44 kg

Door-to-Door Timeline

Salmon, ID → SMN 10m

Check-in & Security 90m

Flight 21m

Arrival & Baggage 30m

LWS → Lewiston, ID 10m

Cost Breakdown

Ticket (1 pax @ $127) $127

Rental car (1 day)$55

Airports

Salmon, ID SMN — Lemhi County Airport 4 mi, ~10m drive

Lewiston, ID LWS — Lewiston Nez Perce County Airport 3 mi, ~10m drive

No scheduled flights found

No commercial flights between SMN and LWS. Flight estimates above are theoretical.

+ Saves about 4h 46m compared to driving

+ 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	7h 27m	2h 41m
Total cost (1 person)	$109	$182
Carbon footprint	135 kg CO₂	44 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.

Route Options

2 different routes between these cities.

Fastest

335 mi 7h 26m

via US 12, US 93

Alternative (+71 min)

419.9 mi 8h 38m

via I 90; US 93; MT 200, US 93, US 95

Decided to drive? See the full trip plan from Salmon, ID to Lewiston, ID with stops, fuel costs, and turn-by-turn directions.