Need help booking?
Unpublished phone-only deals available
ZTH to ONO: distance & flight time
Zakynthos (Zakynthos International Airport "Dionysios Solomos") → Ontario (Ontario Municipal Airport)
6,204 mi
9,985 km · 5,391 nm
12h 38m
estimated nonstop flight time
-9h
time difference · heading northwest
See live ZTH→ONO fares Phone-only fares on this route — call free
Flight time details
6,204 miles nonstop takes roughly 12h 38m 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
- ZTH — Zakynthos International Airport "Dionysios Solomos" · Zakynthos, Greece
- ONO — Ontario Municipal 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 ZTH
- PYR · Andravida Air Base25 mi away
- EFL · Kefallinia Airport33 mi away
- GPA · Araxos Airport40 mi away
- AGQ · Agrinion Air Base64 mi away
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is ZTH from ONO?
The flight distance from Zakynthos (ZTH) to Ontario (ONO) is 6,204 miles (9,985 km, 5,391 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZTH to ONO?
A nonstop flight takes about 12h 38m 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 Zakynthos and Ontario?
Ontario is 9 hours behind Zakynthos.
What is the cheapest way to fly from ZTH to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZTH–ONO that never appear on search engines, with no booking fees.