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HMY to ONT: distance & flight time
Seosan (Seosan Air Base) → Ontario (Ontario International Airport)
6,042 mi
9,724 km · 5,251 nm
12h 19m
estimated nonstop flight time
—
time difference · heading northeast
See live HMY→ONT fares Phone-only fares on this route — call free
Flight time details
6,042 miles nonstop takes roughly 12h 19m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HMY — Seosan Air Base · Seosan, 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 HMY
- ICN · Incheon International Airport53 mi away
- OSN · Osan Air Base40 mi away
- SWU · Suwon Airport47 mi away
- KUV · Kunsan Air Base56 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 HMY from ONT?
The flight distance from Seosan (HMY) to Ontario (ONT) is 6,042 miles (9,724 km, 5,251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HMY to ONT?
A nonstop flight takes about 12h 19m 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 cheapest way to fly from HMY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HMY–ONT that never appear on search engines, with no booking fees.