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USM to KGS: distance & flight time
Ko Samui (Samui Airport) → Kos (Kos Airport)
4,884 mi
7,861 km · 4,244 nm
10h 3m
estimated nonstop flight time
-4h
time difference · heading northwest
See live USM→KGS fares Phone-only fares on this route — call free
Flight time details
4,884 miles nonstop takes roughly 10h 3m 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
- KGS — Kos Airport · Kos, 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 KGS
- JKL · Kalymnos Airport14 mi away
- LRS · Leros Airport31 mi away
- BXN · Imsık Airport40 mi away
- JTY · Astypalaia Airport42 mi away
Frequently asked questions
How far is USM from KGS?
The flight distance from Ko Samui (USM) to Kos (KGS) is 4,884 miles (7,861 km, 4,244 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to KGS?
A nonstop flight takes about 10h 3m 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 Kos?
Kos is 4 hours behind Ko Samui.
What is the cheapest way to fly from USM to KGS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–KGS that never appear on search engines, with no booking fees.