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ZAG to ONT: distance & flight time
Zagreb (Zagreb Airport) → Ontario (Ontario International Airport)
6,211 mi
9,996 km · 5,397 nm
12h 39m
estimated nonstop flight time
-9h
time difference · heading northwest
See live ZAG→ONT fares Phone-only fares on this route — call free
Flight time details
6,211 miles nonstop takes roughly 12h 39m 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
- ZAG — Zagreb Airport · Zagreb, Croatia
- 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 ZAG
- MBX · Maribor Airport54 mi away
- RJK · Rijeka Airport81 mi away
- BNX · Banja Luka International Airport81 mi away
- SOB · Sármellék International Airport83 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 ZAG from ONT?
The flight distance from Zagreb (ZAG) to Ontario (ONT) is 6,211 miles (9,996 km, 5,397 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZAG to ONT?
A nonstop flight takes about 12h 39m 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 Zagreb and Ontario?
Ontario is 9 hours behind Zagreb.
What is the cheapest way to fly from ZAG to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZAG–ONT that never appear on search engines, with no booking fees.