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LAI to SLU: distance & flight time
Lannion (Lannion-Côte de Granit Airport) → Castries (George F. L. Charles Airport)
4,027 mi
6,481 km · 3,500 nm
8h 22m
estimated nonstop flight time
-6h
time difference · heading west
See live LAI→SLU fares Phone-only fares on this route — call free
Flight time details
4,027 miles nonstop takes roughly 8h 22m 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
- LAI — Lannion-Côte de Granit Airport · Lannion, France
- 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 LAI
- MXN · Morlaix-Ploujean Airport19 mi away
- SBK · Saint-Brieuc-Armor Airport32 mi away
- LDV · Landivisiau Air Base35 mi away
- BES · Brest Bretagne Airport48 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 LAI from SLU?
The flight distance from Lannion (LAI) to Castries (SLU) is 4,027 miles (6,481 km, 3,500 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAI to SLU?
A nonstop flight takes about 8h 22m 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 Lannion and Castries?
Castries is 6 hours behind Lannion.
What is the cheapest way to fly from LAI to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAI–SLU that never appear on search engines, with no booking fees.