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Drive or Fly: Fremont, CA to La Jolla, CA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for SJC–SAN. At 468 miles, driving is the only practical option.

Passengers:
Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

9h

Distance

468.2 mi

Total Cost

$138

CO2

189 kg

Cost Breakdown

Diesel$103
Hotel (1 room, 0 nights) $0
Meals (1 pax, 1 day) $35
+ No luggage restrictions or TSA lines
+ Comfortable one-day drive
+ Stop anywhere along the route
+ Have your own car at the destination
+ Likely faster door-to-door than flying
− Driver fatigue on longer stretches
− Wear and tear on vehicle
− Fuel price fluctuations
Plan the drive

Fly

Door to Door

3h 24m

50m in the air

Air Distance

420 mi

Total Cost

$192

CO2

107 kg

Door-to-Door Timeline

Fremont, CA → SJC 20m
Check-in & Security 90m
Flight 50m
Arrival & Baggage 30m
SAN → La Jolla, CA 14m

Cost Breakdown

Ticket (1 pax @ $137) $137
Rental car (1 day)$55

Airports

Fremont, CA SJC — Norman Y. Mineta San Jose International Airport 13 mi, ~20m drive
La Jolla, CA SAN — San Diego International Airport 9 mi, ~14m drive

No scheduled flights found

No commercial flights between SJC and SAN. Flight estimates above are theoretical.

+ Saves about 5h 36m compared to driving
+ Less physical fatigue
+ Predictable arrival time
− Airport security and check-in overhead
− No scheduled commercial flights found for this route
− May need a rental car at destination
− Luggage fees and restrictions
− Less flexibility for stops along the way

At a Glance

Drive Fly
Door-to-door time 9h 3h 24m
Total cost (1 person) $138 $192
Carbon footprint 189 kg CO2 107 kg CO2
Flexibility High Low
Luggage Unlimited Restricted
Reliability Weather dependent Data unavailable
Drive data: OSRM routing, EIA fuel prices
Flight data: Statistical estimate
Airports: OurAirports
Confidence: Medium — airports identified, fares estimated

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.

Fastest
468.2 mi 9h 0m

via I 5, I 5 Truck, CA 152

Alternative (+57 min)
503.8 mi 9h 57m

via US 101, US 101; CA 156, I 5

Decided to drive? See the full trip plan from Fremont, CA to La Jolla, CA with stops, fuel costs, and turn-by-turn directions.