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ONT to CER: distance & flight time
Ontario (Ontario International Airport) → Cherbourg (Cherbourg-Maupertus Airport)
5,459 mi
8,786 km · 4,744 nm
11h 10m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→CER fares Phone-only fares on this route — call free
Flight time details
5,459 miles nonstop takes roughly 11h 10m 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
- CER — Cherbourg-Maupertus Airport · Cherbourg, France
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 CER
- ACI · Alderney Airport34 mi away
- JER · Jersey Airport45 mi away
- GCI · Guernsey Airport53 mi away
- GFR · Granville Airport53 mi away
Frequently asked questions
How far is ONT from CER?
The flight distance from Ontario (ONT) to Cherbourg (CER) is 5,459 miles (8,786 km, 4,744 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to CER?
A nonstop flight takes about 11h 10m 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 Cherbourg?
Cherbourg is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to CER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CER that never appear on search engines, with no booking fees.