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ONT to ZTH: distance & flight time
Ontario (Ontario International Airport) → Zakynthos (Zakynthos International Airport "Dionysios Solomos")
6,805 mi
10,952 km · 5,913 nm
13h 49m
estimated nonstop flight time
+10h
time difference · heading northeast
See live ONT→ZTH fares Phone-only fares on this route — call free
Flight time details
6,805 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
- ZTH — Zakynthos International Airport "Dionysios Solomos" · Zakynthos, Greece
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 ZTH
- PYR · Andravida Air Base25 mi away
- EFL · Kefallinia Airport33 mi away
- GPA · Araxos Airport40 mi away
- AGQ · Agrinion Air Base64 mi away
Frequently asked questions
How far is ONT from ZTH?
The flight distance from Ontario (ONT) to Zakynthos (ZTH) is 6,805 miles (10,952 km, 5,913 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to ZTH?
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 Zakynthos?
Zakynthos is 10 hours ahead of Ontario.
What is the cheapest way to fly from ONT to ZTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–ZTH that never appear on search engines, with no booking fees.