Need help booking?
Unpublished phone-only deals available
SIR to HMY: distance & flight time
Sion (Sion Airport) → Seosan (Seosan Air Base)
5,577 mi
8,976 km · 4,847 nm
11h 24m
estimated nonstop flight time
—
time difference · heading northeast
See live SIR→HMY fares Phone-only fares on this route — call free
Flight time details
5,577 miles nonstop takes roughly 11h 24m 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
- SIR — Sion Airport · Sion, Switzerland
- HMY — Seosan Air Base · Seosan, 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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
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
Frequently asked questions
How far is SIR from HMY?
The flight distance from Sion (SIR) to Seosan (HMY) is 5,577 miles (8,976 km, 4,847 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to HMY?
A nonstop flight takes about 11h 24m 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 SIR to HMY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–HMY that never appear on search engines, with no booking fees.