Need help booking?
Unpublished phone-only deals available
FLR to ONT: distance & flight time
Florence (Peretola Airport) → Ontario (Ontario International Airport)
6,167 mi
9,925 km · 5,359 nm
12h 34m
estimated nonstop flight time
-9h
time difference · heading northwest
See live FLR→ONT fares Phone-only fares on this route — call free
Flight time details
6,167 miles nonstop takes roughly 12h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- FLR — Peretola Airport · Florence, Italy
- ONT — Ontario International Airport · Ontario, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near FLR
- SAY · Siena-Ampugnano Airport38 mi away
- PSA · Pisa International Airport41 mi away
- BLQ · Bologna Guglielmo Marconi Airport50 mi away
- FRL · Forlì Airport51 mi away
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is FLR from ONT?
The flight distance from Florence (FLR) to Ontario (ONT) is 6,167 miles (9,925 km, 5,359 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLR to ONT?
A nonstop flight takes about 12h 34m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Florence and Ontario?
Ontario is 9 hours behind Florence.
What is the cheapest way to fly from FLR to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLR–ONT that never appear on search engines, with no booking fees.