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KKS to ONT: distance & flight time
Kashan (Kashan Airport) → Ontario (Ontario International Airport)
7,690 mi
12,375 km · 6,682 nm
15h 33m
estimated nonstop flight time
-10.5h
time difference · heading north
See live KKS→ONT fares Phone-only fares on this route — call free
Flight time details
7,690 miles nonstop takes roughly 15h 33m 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
- KKS — Kashan Airport · Kashan, 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 KKS
- IFH · Hesa Airport67 mi away
- IFN · Esfahan Shahid Beheshti International Airport81 mi away
- AJK · Arak Airport100 mi away
- IKA · Imam Khomeini International Airport108 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 KKS from ONT?
The flight distance from Kashan (KKS) to Ontario (ONT) is 7,690 miles (12,375 km, 6,682 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKS to ONT?
A nonstop flight takes about 15h 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 Kashan and Ontario?
Ontario is 10.5 hours behind Kashan.
What is the cheapest way to fly from KKS to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKS–ONT that never appear on search engines, with no booking fees.