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SYO to SSN: distance & flight time
Shonai (Shonai Airport) → Seoul East (Seoul Air Base (K-16))
695 mi
1,118 km · 604 nm
1h 59m
estimated nonstop flight time
Same time
time difference · heading west
See live SYO→SSN fares Phone-only fares on this route — call free
Flight time details
695 miles nonstop takes roughly 1h 59m gate to gate, flying west. 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
- SYO — Shonai Airport · Shonai, Japan
- SSN — Seoul Air Base (K-16) · Seoul East, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Near SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is SYO from SSN?
The flight distance from Shonai (SYO) to Seoul East (SSN) is 695 miles (1,118 km, 604 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYO to SSN?
A nonstop flight takes about 1h 59m 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 SYO to SSN?
Nonstop service on SYO–SSN 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 1h 59m nonstop estimate.
What is the cheapest way to fly from SYO to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYO–SSN that never appear on search engines, with no booking fees.
Why are some SYO to SSN fares phone-only?
Consolidator contracts let us sell certain SYO–SSN 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.