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JSI to GMP: distance & flight time
Skiathos (Skiathos Island National Airport) → Seoul (Gimpo International Airport)
5,243 mi
8,438 km · 4,556 nm
10h 45m
estimated nonstop flight time
+6h
time difference · heading northeast
See live JSI→GMP fares Phone-only fares on this route — call free
Flight time details
5,243 miles nonstop takes roughly 10h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- JSI — Skiathos Island National Airport · Skiathos, Greece
- GMP — Gimpo International Airport · Seoul, 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 JSI
- VOL · Nea Anchialos Airport38 mi away
- SKU · Skiros Airport55 mi away
- LRA · Larisa Airport64 mi away
- ATH · Eleftherios Venizelos International Airport89 mi away
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is JSI from GMP?
The flight distance from Skiathos (JSI) to Seoul (GMP) is 5,243 miles (8,438 km, 4,556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JSI to GMP?
A nonstop flight takes about 10h 45m 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 Skiathos and Seoul?
Seoul is 6 hours ahead of Skiathos.
What is the cheapest way to fly from JSI to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JSI–GMP that never appear on search engines, with no booking fees.