Drive or Fly: King City, CA to San Diego, 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 MRY–SAN. At 377 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
7h 22m
Distance
377.7 mi
Total Cost
$118
CO2
153 kg
Cost Breakdown
Fly
Door to Door
4h 1m
40m in the air
Air Distance
331 mi
Total Cost
$188
CO2
84 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between MRY and SAN. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 7h 22m | 4h 1m |
| Total cost (1 person) | $118 | $188 |
| Carbon footprint | 153 kg CO2 | 84 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 16, 2026.
Route Options
2 different routes between these cities.
via I 5, I 5 Truck, CA 46
via I 15, CA 46, I 5 Truck
Decided to drive? See the full trip plan from King City, CA to San Diego, CA with stops, fuel costs, and turn-by-turn directions.