Drive or Fly: New Plymouth, ID to Idaho Falls, 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–IDA. At 326 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 18m

Distance

326 mi

Total Cost

$107

CO2

132 kg

Cost Breakdown

Diesel$72

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 40m

29m in the air

Air Distance

241 mi

Total Cost

$185

CO2

62 kg

Door-to-Door Timeline

New Plymouth, ID → BOI 61m

Check-in & Security 90m

Flight 29m

Arrival & Baggage 30m

IDA → Idaho Falls, ID 10m

Cost Breakdown

Ticket (1 pax @ $130) $130

Rental car (1 day)$55

Airports

New Plymouth, ID BOI — Boise Air Terminal/Gowen Field 41 mi, ~61m drive

Idaho Falls, ID IDA — Idaho Falls Regional Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between BOI and IDA. 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 18m	3h 40m
Total cost (1 person)	$107	$185
Carbon footprint	132 kg CO₂	62 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

326 mi 5h 17m

via I 84; US 30, I 86; US 30, I 15 BUS

Shortest (+25 min)

304.8 mi 5h 43m

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

Decided to drive? See the full trip plan from New Plymouth, ID to Idaho Falls, ID with stops, fuel costs, and turn-by-turn directions.