Drive or Fly: Caldwell, ID to Ashton, 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 BOI–WYS. At 356 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 52m

Distance

356.8 mi

Total Cost

$114

CO2

144 kg

Cost Breakdown

Diesel$79

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

4h 15m

31m in the air

Air Distance

262 mi

Total Cost

$185

CO2

67 kg

Door-to-Door Timeline

Caldwell, ID → BOI 36m

Check-in & Security 90m

Flight 31m

Arrival & Baggage 30m

WYS → Ashton, ID 68m

Cost Breakdown

Ticket (1 pax @ $130) $130

Rental car (1 day)$55

Airports

Caldwell, ID BOI — Boise Air Terminal/Gowen Field 24 mi, ~36m drive

Ashton, ID WYS — Yellowstone Airport 46 mi, ~68m drive

No scheduled flights found

No commercial flights between BOI and WYS. 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

− 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	5h 52m	4h 15m
Total cost (1 person)	$114	$185
Carbon footprint	144 kg CO₂	67 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 17, 2026.

Route Options

2 different routes between these cities.

Fastest

356.8 mi 5h 52m

via I 84; US 30, I 86; US 30, US 20

Shortest (+23 min)

332.4 mi 6h 15m

via US 20, I 84; US 30, US 20; US 26

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