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CTT to ONT: distance & flight time
Le Castellet (Le Castellet Airport) → Ontario (Ontario International Airport)
6,014 mi
9,678 km · 5,226 nm
12h 16m
estimated nonstop flight time
-9h
time difference · heading northwest
See live CTT→ONT fares Phone-only fares on this route — call free
Flight time details
6,014 miles nonstop takes roughly 12h 16m 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
- CTT — Le Castellet Airport · Le Castellet, France
- 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 CTT
- TLN · Toulon-Hyères Airport21 mi away
- MRS · Marseille Provence Airport31 mi away
- LTT · La Môle Airport35 mi away
- FRJ · Fréjus Airport49 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 CTT from ONT?
The flight distance from Le Castellet (CTT) to Ontario (ONT) is 6,014 miles (9,678 km, 5,226 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTT to ONT?
A nonstop flight takes about 12h 16m 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 Le Castellet and Ontario?
Ontario is 9 hours behind Le Castellet.
What is the cheapest way to fly from CTT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTT–ONT that never appear on search engines, with no booking fees.