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Drive or Fly: Boron, CA to San Francisco, CA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

Short enough to drive comfortably in a day. Airport overhead makes flying slower door-to-door. Available flights require a connection, adding time and cost.

Passengers:
Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

7h

Distance

373.3 mi

Total Cost

$105

CO2

151 kg

Cost Breakdown

Diesel$70
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 34m

39m in the air

Air Distance

327 mi

Total Cost

$188

CO2

83 kg

Door-to-Door Timeline

Boron, CA → ONT 98m
Check-in & Security 90m
Flight 39m
Arrival & Baggage 30m
SFO → San Francisco, CA 17m

Cost Breakdown

Ticket (1 pax @ $133) $133
Rental car (1 day)$55

Airports

Boron, CA ONT — Ontario International Airport 65 mi, ~98m drive
San Francisco, CA SFO — San Francisco International Airport 11 mi, ~17m drive

Flight Data

Service

Connecting only

On-Time

98.1%

Cancellation

1.9%

+ Saves about 2h 26m compared to driving
+ Less physical fatigue
+ Predictable arrival time
− Airport security and check-in overhead
− 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 4h 34m
Total cost (1 person) $105 $188
Carbon footprint 151 kg CO2 83 kg CO2
Flexibility High Low
Luggage Unlimited Restricted
Reliability Weather dependent 98% on-time
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 Jul 21, 2026.

Decided to drive? See the full trip plan from Boron, CA to San Francisco, CA with stops, fuel costs, and turn-by-turn directions.