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KAG to ONT: distance & flight time
Kangnung (Gangneung Airport (K-18)) → Ontario (Ontario International Airport)
5,893 mi
9,484 km · 5,121 nm
12h 1m
estimated nonstop flight time
-16h
time difference · heading northeast
See live KAG→ONT fares Phone-only fares on this route — call free
Flight time details
5,893 miles nonstop takes roughly 12h 1m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- KAG — Gangneung Airport (K-18) · Kangnung, South Korea
- 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 KAG
- YNY · Yangyang International Airport26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- YEC · Yecheon Airbase84 mi away
- ICN · Incheon International Airport138 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 KAG from ONT?
The flight distance from Kangnung (KAG) to Ontario (ONT) is 5,893 miles (9,484 km, 5,121 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KAG to ONT?
A nonstop flight takes about 12h 1m 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 Kangnung and Ontario?
Ontario is 16 hours behind Kangnung.
What is the cheapest way to fly from KAG to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KAG–ONT that never appear on search engines, with no booking fees.