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RNS to SLU: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Castries (George F. L. Charles Airport)
4,092 mi
6,586 km · 3,556 nm
8h 29m
estimated nonstop flight time
-6h
time difference · heading west
See live RNS→SLU fares Phone-only fares on this route — call free
Flight time details
4,092 miles nonstop takes roughly 8h 29m 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
- RNS — Rennes-Saint-Jacques Airport · Rennes, 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 RNS
- DNR · Dinard-Pleurtuit-Saint-Malo Airport39 mi away
- LVA · Laval-Entrammes Airport46 mi away
- VNE · Vannes-Meucon Airport51 mi away
- SNR · Saint-Nazaire-Montoir 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 RNS from SLU?
The flight distance from Rennes (RNS) to Castries (SLU) is 4,092 miles (6,586 km, 3,556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to SLU?
A nonstop flight takes about 8h 29m 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 Rennes and Castries?
Castries is 6 hours behind Rennes.
What is the cheapest way to fly from RNS to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–SLU that never appear on search engines, with no booking fees.