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HMY to KJP: distance & flight time
Seosan (Seosan Air Base) → Kerama (Kerama Airport)
729 mi
1,174 km · 634 nm
2h 3m
estimated nonstop flight time
—
time difference · heading south
See live HMY→KJP fares Phone-only fares on this route — call free
Flight time details
729 miles nonstop takes roughly 2h 3m gate to gate, flying south. 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
- KJP — Kerama Airport · Kerama, Japan
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 KJP
- OKA · Naha Airport22 mi away
- AGJ · Aguni Airport29 mi away
- DNA · Kadena Air Base32 mi away
- UEO · Kumejima Airport38 mi away
Frequently asked questions
How far is HMY from KJP?
The flight distance from Seosan (HMY) to Kerama (KJP) is 729 miles (1,174 km, 634 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HMY to KJP?
A nonstop flight takes about 2h 3m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HMY to KJP?
Nonstop service on HMY–KJP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 3m nonstop estimate.
What is the cheapest way to fly from HMY to KJP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HMY–KJP that never appear on search engines, with no booking fees.
Why are some HMY to KJP fares phone-only?
Consolidator contracts let us sell certain HMY–KJP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.