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KSF to USM: distance & flight time
Kassel (Kassel-Calden Airport) → Ko Samui (Samui Airport)
5,733 mi
9,226 km · 4,982 nm
11h 42m
estimated nonstop flight time
+5h
time difference · heading east
See live KSF→USM fares Phone-only fares on this route — call free
Flight time details
5,733 miles nonstop takes roughly 11h 42m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- KSF — Kassel-Calden Airport · Kassel, Germany
- USM — Samui Airport · Ko Samui, Thailand
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 KSF
- FRZ · Fritzlar Airport21 mi away
- PAD · Paderborn Lippstadt Airport36 mi away
- BFE · Bielefeld Airport52 mi away
- EIB · Eisenach-Kindel Airport56 mi away
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
Frequently asked questions
How far is KSF from USM?
The flight distance from Kassel (KSF) to Ko Samui (USM) is 5,733 miles (9,226 km, 4,982 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSF to USM?
A nonstop flight takes about 11h 42m 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 Kassel and Ko Samui?
Ko Samui is 5 hours ahead of Kassel.
What is the cheapest way to fly from KSF to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSF–USM that never appear on search engines, with no booking fees.