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CIY to ONT: distance & flight time
Comiso (Comiso Airport) → Ontario (Ontario International Airport)
6,645 mi
10,694 km · 5,774 nm
13h 30m
estimated nonstop flight time
-9h
time difference · heading northwest
See live CIY→ONT fares Phone-only fares on this route — call free
Flight time details
6,645 miles nonstop takes roughly 13h 30m 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
- CIY — Comiso Airport · Comiso, 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 CIY
- NSY · Sigonella Navy Air Base33 mi away
- CTA · Catania-Fontanarossa Airport41 mi away
- GZM · Xewkija Heliport69 mi away
- MLA · Malta International Airport79 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 CIY from ONT?
The flight distance from Comiso (CIY) to Ontario (ONT) is 6,645 miles (10,694 km, 5,774 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CIY to ONT?
A nonstop flight takes about 13h 30m 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 Comiso and Ontario?
Ontario is 9 hours behind Comiso.
What is the cheapest way to fly from CIY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIY–ONT that never appear on search engines, with no booking fees.