Drive or Fly: Redwood City, CA to Fontana, 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 SQL–ONT. At 407 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
7h 43m
Distance
407.3 mi
Total Cost
$125
CO2
165 kg
Cost Breakdown
Fly
Door to Door
3h 8m
43m in the air
Air Distance
357 mi
Total Cost
$189
CO2
91 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SQL and ONT. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 7h 43m | 3h 8m |
| Total cost (1 person) | $125 | $189 |
| Carbon footprint | 165 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 18, 2026.
Route Options
2 different routes between these cities.
via I 5, I 5 Truck, I 210
via I 5, CA 138, US 101
Decided to drive? See the full trip plan from Redwood City, CA to Fontana, CA with stops, fuel costs, and turn-by-turn directions.