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USA to ONT: distance & flight time
Concord (Concord-Padgett Regional Airport) → Ontario (Ontario International Airport)
2,085 mi
3,355 km · 1,812 nm
4h 33m
estimated nonstop flight time
-3h
time difference · heading west
See live USA→ONT fares Phone-only fares on this route — call free
Flight time details
2,085 miles nonstop takes roughly 4h 33m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- USA — Concord-Padgett Regional Airport · Concord, United States
- 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 USA
- CLT · Charlotte Douglas International Airport18 mi away
- SVH · Statesville Regional Airport29 mi away
- RKH · Rock Hill - York County Airport34 mi away
- HKY · Hickory Regional Airport45 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 USA from ONT?
The flight distance from Concord (USA) to Ontario (ONT) is 2,085 miles (3,355 km, 1,812 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USA to ONT?
A nonstop flight takes about 4h 33m 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 Concord and Ontario?
Ontario is 3 hours behind Concord.
What is the cheapest way to fly from USA to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USA–ONT that never appear on search engines, with no booking fees.