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ONT to KUN: distance & flight time
Ontario (Ontario International Airport) → Kaunas (Kaunas International Airport)
5,880 mi
9,463 km · 5,110 nm
12h
estimated nonstop flight time
+10h
time difference · heading north
See live ONT→KUN fares Phone-only fares on this route — call free
Flight time details
5,880 miles nonstop takes roughly 12h gate to gate, flying north. 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
- KUN — Kaunas International Airport · Kaunas, Lithuania
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 KUN
- VNO · Vilnius International Airport53 mi away
- PNV · Panevėžys Air Base55 mi away
- SQQ · Šiauliai International Airport70 mi away
- HLJ · Barysiai Airport79 mi away
Frequently asked questions
How far is ONT from KUN?
The flight distance from Ontario (ONT) to Kaunas (KUN) is 5,880 miles (9,463 km, 5,110 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to KUN?
A nonstop flight takes about 12h 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 Kaunas?
Kaunas is 10 hours ahead of Ontario.
What is the cheapest way to fly from ONT to KUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–KUN that never appear on search engines, with no booking fees.