Drive or Fly: Fresno, CA to Diamond Bar, 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 FAT–ONT. At 245 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

4h 37m

Distance

245.7 mi

Total Cost

$90

CO2

99 kg

Cost Breakdown

Diesel$55

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

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

2h 54m

26m in the air

Air Distance

218 mi

Total Cost

$184

CO2

56 kg

Door-to-Door Timeline

Fresno, CA → FAT 10m

Check-in & Security 90m

Flight 26m

Arrival & Baggage 30m

ONT → Diamond Bar, CA 18m

Cost Breakdown

Ticket (1 pax @ $129) $129

Rental car (1 day)$55

Airports

Fresno, CA FAT — Fresno Yosemite International Airport 4 mi, ~10m drive

Diamond Bar, CA ONT — Ontario International Airport 12 mi, ~18m drive

No scheduled flights found

No commercial flights between FAT and ONT. Flight estimates above are theoretical.

+ 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	4h 37m	2h 54m
Total cost (1 person)	$90	$184
Carbon footprint	99 kg CO₂	56 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 12, 2026.

Decided to drive? See the full trip plan from Fresno, CA to Diamond Bar, CA with stops, fuel costs, and turn-by-turn directions.