Drive or Fly: Petaluma, 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

Medium

No scheduled commercial flights found for STS–SAN. At 533 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

10h 6m

Distance

533.1 mi

Total Cost

$298

CO2

215 kg

Cost Breakdown

Diesel$118

Hotel (1 room, 1 night) $110

Meals (1 pax, 2 days) $70

+ No luggage restrictions or TSA lines

+ Stop anywhere along the route

+ Have your own car at the destination

− Requires 2 days of driving

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 41m

59m in the air

Air Distance

490 mi

Total Cost

$195

CO2

125 kg

Door-to-Door Timeline

Petaluma, CA → STS 32m

Check-in & Security 90m

Flight 59m

Arrival & Baggage 30m

SAN → San Diego, CA 10m

Cost Breakdown

Ticket (1 pax @ $140) $140

Rental car (1 day)$55

Airports

Petaluma, CA STS — Charles M. Schulz Sonoma County Airport 21 mi, ~32m drive

San Diego, CA SAN — San Diego International Airport 2 mi, ~10m drive

No scheduled flights found

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

+ Saves about 6h 25m 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	10h 6m	3h 41m
Total cost (1 person)	$298	$195
Carbon footprint	215 kg CO₂	125 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 13, 2026.

Decided to drive? See the full trip plan from Petaluma, CA to San Diego, CA with stops, fuel costs, and turn-by-turn directions.