Drive or Fly: San Francisco, CA to Alpine, CA?
Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.
Driving wins
MediumNo scheduled commercial flights found for SFO–SAN. At 520 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
9h 53m
Distance
520.1 mi
Total Cost
$150
CO2
210 kg
Cost Breakdown
Fly
Door to Door
3h 51m
56m in the air
Air Distance
467 mi
Total Cost
$194
CO2
119 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SFO and SAN. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 9h 53m | 3h 51m |
| Total cost (1 person) | $150 | $194 |
| Carbon footprint | 210 kg CO2 | 119 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 15, 2026.
Decided to drive? See the full trip plan from San Francisco, CA to Alpine, CA with stops, fuel costs, and turn-by-turn directions.