Drive or Fly: Fontana, CA to San Carlos, 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 ONT–SQL. At 409 miles, driving is the only practical option.
Drive
Door to Door
7h 45m
Distance
409.8 mi
Total Cost
$126
CO2
166 kg
Cost Breakdown
Fly
Door to Door
3h 8m
43m in the air
Air Distance
359 mi
Total Cost
$189
CO2
91 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between ONT and SQL. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 7h 45m | 3h 8m |
| Total cost (1 person) | $126 | $189 |
| Carbon footprint | 166 kg CO2 | 91 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 12, 2026.
Decided to drive? See the full trip plan from Fontana, CA to San Carlos, CA with stops, fuel costs, and turn-by-turn directions.