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POX to ONT: distance & flight time
Pontoise (Pontoise - Cormeilles-en-Vexin Airport) → Ontario (Ontario International Airport)
5,602 mi
9,016 km · 4,868 nm
11h 27m
estimated nonstop flight time
-9h
time difference · heading northwest
See live POX→ONT fares Phone-only fares on this route — call free
Flight time details
5,602 miles nonstop takes roughly 11h 27m 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
- POX — Pontoise - Cormeilles-en-Vexin Airport · Pontoise, 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 POX
- CDG · Charles de Gaulle International Airport24 mi away
- LBG · Paris-Le Bourget Airport20 mi away
- VIY · Villacoublay-Vélizy (BA 107) Air Base23 mi away
- CSF · Creil Air Base24 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 POX from ONT?
The flight distance from Pontoise (POX) to Ontario (ONT) is 5,602 miles (9,016 km, 4,868 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from POX to ONT?
A nonstop flight takes about 11h 27m 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 Pontoise and Ontario?
Ontario is 9 hours behind Pontoise.
What is the cheapest way to fly from POX to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on POX–ONT that never appear on search engines, with no booking fees.