Need help booking?
Unpublished phone-only deals available
CKC to ONT: distance & flight time
Cherkassy (Cherkasy International Airport) → Ontario (Ontario International Airport)
6,375 mi
10,260 km · 5,540 nm
12h 58m
estimated nonstop flight time
-10h
time difference · heading northwest
See live CKC→ONT fares Phone-only fares on this route — call free
Flight time details
6,375 miles nonstop takes roughly 12h 58m 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
- CKC — Cherkasy International Airport · Cherkassy, 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 CKC
- KGO · Kirovograd Airport62 mi away
- KBP · Boryspil International Airport81 mi away
- IEV · Kiev Zhuliany International Airport97 mi away
- PLV · Suprunovka Airport108 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 CKC from ONT?
The flight distance from Cherkassy (CKC) to Ontario (ONT) is 6,375 miles (10,260 km, 5,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CKC to ONT?
A nonstop flight takes about 12h 58m 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 Cherkassy and Ontario?
Ontario is 10 hours behind Cherkassy.
What is the cheapest way to fly from CKC to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CKC–ONT that never appear on search engines, with no booking fees.