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IOA to ONT: distance & flight time
Ioannina (Ioannina Airport) → Ontario (Ontario International Airport)
6,691 mi
10,769 km · 5,815 nm
13h 35m
estimated nonstop flight time
-10h
time difference · heading northwest
See live IOA→ONT fares Phone-only fares on this route — call free
Flight time details
6,691 miles nonstop takes roughly 13h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- IOA — Ioannina Airport · Ioannina, Greece
- 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 IOA
- CFU · Ioannis Kapodistrias International Airport49 mi away
- PVK · Aktion National Airport53 mi away
- KSO · Kastoria National Airport57 mi away
- KZI · Filippos Airport68 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 IOA from ONT?
The flight distance from Ioannina (IOA) to Ontario (ONT) is 6,691 miles (10,769 km, 5,815 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IOA to ONT?
A nonstop flight takes about 13h 35m 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 Ioannina and Ontario?
Ontario is 10 hours behind Ioannina.
What is the cheapest way to fly from IOA to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IOA–ONT that never appear on search engines, with no booking fees.