Drive or Fly: Keyes, 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 MCE–SAN. At 425 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

8h 8m

Distance

425.3 mi

Total Cost

$129

CO2

172 kg

Cost Breakdown

Diesel$94

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 42m

48m in the air

Air Distance

396 mi

Total Cost

$191

CO2

101 kg

Door-to-Door Timeline

Keyes, CA → MCE 44m

Check-in & Security 90m

Flight 48m

Arrival & Baggage 30m

SAN → San Diego, CA 10m

Cost Breakdown

Ticket (1 pax @ $136) $136

Rental car (1 day)$55

Airports

Keyes, CA MCE — Merced Regional Macready Field 29 mi, ~44m drive

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

No scheduled flights found

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

+ Saves about 4h 26m 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	8h 8m	3h 42m
Total cost (1 person)	$129	$191
Carbon footprint	172 kg CO₂	101 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.

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