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UDJ to ONT: distance & flight time
Uzhgorod (Uzhhorod International Airport) → Ontario (Ontario International Airport)
6,212 mi
9,997 km · 5,398 nm
12h 39m
estimated nonstop flight time
-10h
time difference · heading northwest
See live UDJ→ONT fares Phone-only fares on this route — call free
Flight time details
6,212 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 10-hour time set-back when reading arrival times on your ticket.
The two airports
- UDJ — Uzhhorod International Airport · Uzhgorod, Ukraine
- 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 UDJ
- KSC · Košice Airport47 mi away
- SUJ · Satu Mare Airport70 mi away
- DEB · Debrecen International Airport85 mi away
- BAY · Tautii Magheraus Airport87 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 UDJ from ONT?
The flight distance from Uzhgorod (UDJ) to Ontario (ONT) is 6,212 miles (9,997 km, 5,398 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UDJ 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 Uzhgorod and Ontario?
Ontario is 10 hours behind Uzhgorod.
What is the cheapest way to fly from UDJ to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UDJ–ONT that never appear on search engines, with no booking fees.