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ONT to CIY: distance & flight time
Ontario (Ontario International Airport) → Comiso (Comiso Airport)
6,645 mi
10,694 km · 5,774 nm
13h 30m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→CIY fares Phone-only fares on this route — call free
Flight time details
6,645 miles nonstop takes roughly 13h 30m 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
- CIY — Comiso Airport · Comiso, 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 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
Frequently asked questions
How far is ONT from CIY?
The flight distance from Ontario (ONT) to Comiso (CIY) 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 ONT to CIY?
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 Ontario and Comiso?
Comiso is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to CIY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CIY that never appear on search engines, with no booking fees.