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IIL to ONT: distance & flight time
Ilam (Ilam Airport) → Ontario (Ontario International Airport)
7,649 mi
12,311 km · 6,647 nm
15h 28m
estimated nonstop flight time
-10.5h
time difference · heading north
See live IIL→ONT fares Phone-only fares on this route — call free
Flight time details
7,649 miles nonstop takes roughly 15h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- IIL — Ilam Airport · Ilam, Iran
- 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 IIL
- KSH · Shahid Ashrafi Esfahani Airport68 mi away
- KHD · Khoram Abad Airport109 mi away
- SDG · Sanandaj Airport120 mi away
- XQC · Joint Base Balad120 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 IIL from ONT?
The flight distance from Ilam (IIL) to Ontario (ONT) is 7,649 miles (12,311 km, 6,647 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IIL to ONT?
A nonstop flight takes about 15h 28m 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 Ilam and Ontario?
Ontario is 10.5 hours behind Ilam.
What is the cheapest way to fly from IIL to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IIL–ONT that never appear on search engines, with no booking fees.