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ONT to ILZ: distance & flight time
Ontario (Ontario International Airport) → Žilina (Žilina Airport)
6,086 mi
9,794 km · 5,288 nm
12h 24m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→ILZ fares Phone-only fares on this route — call free
Flight time details
6,086 miles nonstop takes roughly 12h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- ILZ — Žilina Airport · Žilina, Slovakia
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 ILZ
- OSR · Ostrava Leos Janáček Airport39 mi away
- SLD · Sliač Airport47 mi away
- UHE · Kunovice Airport55 mi away
- PZY · Piešťany Airport55 mi away
Frequently asked questions
How far is ONT from ILZ?
The flight distance from Ontario (ONT) to Žilina (ILZ) is 6,086 miles (9,794 km, 5,288 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to ILZ?
A nonstop flight takes about 12h 24m 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 Žilina?
Žilina is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to ILZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–ILZ that never appear on search engines, with no booking fees.