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ONT to CAG: distance & flight time
Ontario (Ontario International Airport) → Cagliari (Cagliari Elmas Airport)
6,332 mi
10,190 km · 5,502 nm
12h 53m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→CAG fares Phone-only fares on this route — call free
Flight time details
6,332 miles nonstop takes roughly 12h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- CAG — Cagliari Elmas Airport · Cagliari, Italy
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near CAG
- DCI · Decimomannu Air Base8 mi away
- FNU · Oristano-Fenosu Airport50 mi away
- TTB · Tortolì Airport57 mi away
- AHO · Alghero-Fertilia Airport104 mi away
Frequently asked questions
How far is ONT from CAG?
The flight distance from Ontario (ONT) to Cagliari (CAG) is 6,332 miles (10,190 km, 5,502 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to CAG?
A nonstop flight takes about 12h 53m 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 Ontario and Cagliari?
Cagliari is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to CAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CAG that never appear on search engines, with no booking fees.