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IES to ONT: distance & flight time
Riesa (Riesa-Göhlis Airport) → Ontario (Ontario International Airport)
5,832 mi
9,386 km · 5,068 nm
11h 54m
estimated nonstop flight time
-9h
time difference · heading northwest
See live IES→ONT fares Phone-only fares on this route — call free
Flight time details
5,832 miles nonstop takes roughly 11h 54m 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
- IES — Riesa-Göhlis Airport · Riesa, Germany
- 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 IES
- DRS · Dresden Airport21 mi away
- AOC · Altenburg-Nobitz Airport43 mi away
- LEJ · Leipzig/Halle Airport49 mi away
- QXH · Schönhagen Airport63 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 IES from ONT?
The flight distance from Riesa (IES) to Ontario (ONT) is 5,832 miles (9,386 km, 5,068 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IES to ONT?
A nonstop flight takes about 11h 54m 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 Riesa and Ontario?
Ontario is 9 hours behind Riesa.
What is the cheapest way to fly from IES to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IES–ONT that never appear on search engines, with no booking fees.