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USM to JSI: distance & flight time
Ko Samui (Samui Airport) → Skiathos (Skiathos Island National Airport)
5,085 mi
8,183 km · 4,418 nm
10h 26m
estimated nonstop flight time
-4h
time difference · heading northwest
See live USM→JSI fares Phone-only fares on this route — call free
Flight time details
5,085 miles nonstop takes roughly 10h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- JSI — Skiathos Island National Airport · Skiathos, Greece
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
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
Frequently asked questions
How far is USM from JSI?
The flight distance from Ko Samui (USM) to Skiathos (JSI) is 5,085 miles (8,183 km, 4,418 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to JSI?
A nonstop flight takes about 10h 26m 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 Ko Samui and Skiathos?
Skiathos is 4 hours behind Ko Samui.
What is the cheapest way to fly from USM to JSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–JSI that never appear on search engines, with no booking fees.