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ONT to KWJ: distance & flight time
Ontario (Ontario International Airport) → Kwangju (Gwangju Airport)
6,102 mi
9,820 km · 5,302 nm
12h 26m
estimated nonstop flight time
+16h
time difference · heading northwest
See live ONT→KWJ fares Phone-only fares on this route — call free
Flight time details
6,102 miles nonstop takes roughly 12h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- KWJ — Gwangju Airport · Kwangju, South Korea
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 KWJ
- MWX · Muan International Airport26 mi away
- MPK · Mokpo Heliport35 mi away
- RSU · Yeosu Airport50 mi away
- CHN · Jeon Ju Airport (G-703)55 mi away
Frequently asked questions
How far is ONT from KWJ?
The flight distance from Ontario (ONT) to Kwangju (KWJ) is 6,102 miles (9,820 km, 5,302 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to KWJ?
A nonstop flight takes about 12h 26m 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 Kwangju?
Kwangju is 16 hours ahead of Ontario.
What is the cheapest way to fly from ONT to KWJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–KWJ that never appear on search engines, with no booking fees.