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ONT to IST: distance & flight time
Ontario (Ontario International Airport) → Istanbul (Istanbul Airport)
6,810 mi
10,960 km · 5,918 nm
13h 49m
estimated nonstop flight time
+10h
time difference · heading northeast
See live ONT→IST fares Phone-only fares on this route — call free
Flight time details
6,810 miles nonstop takes roughly 13h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- IST — Istanbul Airport · Istanbul, Turkey
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Frequently asked questions
How far is ONT from IST?
The flight distance from Ontario (ONT) to Istanbul (IST) is 6,810 miles (10,960 km, 5,918 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to IST?
A nonstop flight takes about 13h 49m 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 Ontario and Istanbul?
Istanbul is 10 hours ahead of Ontario.
What is the cheapest way to fly from ONT to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–IST that never appear on search engines, with no booking fees.