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KSF to SLU: distance & flight time
Kassel (Kassel-Calden Airport) → Castries (George F. L. Charles Airport)
4,621 mi
7,437 km · 4,016 nm
9h 32m
estimated nonstop flight time
-6h
time difference · heading west
See live KSF→SLU fares Phone-only fares on this route — call free
Flight time details
4,621 miles nonstop takes roughly 9h 32m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- KSF — Kassel-Calden Airport · Kassel, Germany
- SLU — George F. L. Charles Airport · Castries, Saint Lucia
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 SLU
- UVF · Hewanorra International Airport20 mi away
- FDF · Martinique Aimé Césaire International Airport39 mi away
- SVD · Argyle International Airport61 mi away
- BQU · J F Mitchell Airport74 mi away
Frequently asked questions
How far is KSF from SLU?
The flight distance from Kassel (KSF) to Castries (SLU) is 4,621 miles (7,437 km, 4,016 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSF to SLU?
A nonstop flight takes about 9h 32m 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 Castries?
Castries is 6 hours behind Kassel.
What is the cheapest way to fly from KSF to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSF–SLU that never appear on search engines, with no booking fees.