Drive or Fly: Alum Rock, CA to Irvine, 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 SJC–SNA. At 379 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
7h 12m
Distance
379.8 mi
Total Cost
$119
CO2
153 kg
Cost Breakdown
Fly
Door to Door
3h 1m
41m in the air
Air Distance
340 mi
Total Cost
$189
CO2
87 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SJC and SNA. Flight estimates above are theoretical.
Bus
FlixBus
Door to Door
9h 50m
9h 5m on road
Total Cost
$37
CO2
19 kg
Route
Greyhound US0831
Door-to-Door Timeline
Cost Breakdown
Estimated based on distance. Check flixbus.com for current prices.
Stations
Service
Direct
Frequency
~7/week
At a Glance
| Drive | Fly | Bus | |
|---|---|---|---|
| Door-to-door time | 7h 12m | 3h 1m | 9h 50m |
| Total cost (1 person) | $119 | $189 | $37 |
| Carbon footprint | 153 kg CO2 | 87 kg CO2 | 19 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, CA 152
via I 5, I 5 Truck, I 580
Decided to drive? See the full trip plan from Alum Rock, CA to Irvine, CA with stops, fuel costs, and turn-by-turn directions.