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KKC to ONT: distance & flight time
Khon Kaen (Khon Kaen Airport) → Ontario (Ontario International Airport)
8,050 mi
12,956 km · 6,996 nm
16h 15m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KKC→ONT fares Phone-only fares on this route — call free
Flight time details
8,050 miles nonstop takes roughly 16h 15m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- KKC — Khon Kaen Airport · Khon Kaen, Thailand
- 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 KKC
- UTH · Udon Thani Airport64 mi away
- ROI · Roi Et Airport70 mi away
- BFV · Buri Ram Airport91 mi away
- LOE · Loei Airport97 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 KKC from ONT?
The flight distance from Khon Kaen (KKC) to Ontario (ONT) is 8,050 miles (12,956 km, 6,996 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKC to ONT?
A nonstop flight takes about 16h 15m 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 Khon Kaen and Ontario?
Ontario is 14 hours behind Khon Kaen.
What is the cheapest way to fly from KKC to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKC–ONT that never appear on search engines, with no booking fees.