Need help booking?
Unpublished phone-only deals available
GWT to SLU: distance & flight time
Westerland (Westerland Sylt Airport) → Castries (George F. L. Charles Airport)
4,611 mi
7,420 km · 4,006 nm
9h 30m
estimated nonstop flight time
-6h
time difference · heading west
See live GWT→SLU fares Phone-only fares on this route — call free
Flight time details
4,611 miles nonstop takes roughly 9h 30m 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
- GWT — Westerland Sylt Airport · Westerland, 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 GWT
- FLF · Flensburg-Schäferhaus Airport42 mi away
- SKS · Skrydstrup Air Base42 mi away
- EBJ · Esbjerg Airport43 mi away
- PSH · St. Peter-Ording Airport44 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 GWT from SLU?
The flight distance from Westerland (GWT) to Castries (SLU) is 4,611 miles (7,420 km, 4,006 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GWT to SLU?
A nonstop flight takes about 9h 30m 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 Westerland and Castries?
Castries is 6 hours behind Westerland.
What is the cheapest way to fly from GWT to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GWT–SLU that never appear on search engines, with no booking fees.