Drive or Fly: Boise, ID to Fremont County, 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 345 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 54m

Distance

345.9 mi

Total Cost

$111

CO2

140 kg

Cost Breakdown

Diesel$76

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 34m

29m in the air

Air Distance

239 mi

Total Cost

$185

CO2

61 kg

Door-to-Door Timeline

Boise, ID → BOI 10m

Check-in & Security 90m

Flight 29m

Arrival & Baggage 30m

WYS → Fremont County, ID 55m

Cost Breakdown

Ticket (1 pax @ $130) $130

Rental car (1 day)$55

Airports

Boise, ID BOI — Boise Air Terminal/Gowen Field 4 mi, ~10m drive

Fremont County, ID WYS — Yellowstone Airport 37 mi, ~55m drive

No scheduled flights found

No commercial flights between BOI and WYS. Flight estimates above are theoretical.

+ Saves about 2h 20m 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	5h 54m	3h 34m
Total cost (1 person)	$111	$185
Carbon footprint	140 kg CO₂	61 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 18, 2026.

Route Options

2 different routes between these cities.

Fastest

345.9 mi 5h 54m

via I 84; US 20; US 26; US 30, I 86; US 30, US 20

Shortest (+23 min)

321.5 mi 6h 17m

via US 20, US 20; US 26, US 93; US 20; US 26

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