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SAY to SLU: distance & flight time
Siena (Siena-Ampugnano Airport) → Castries (George F. L. Charles Airport)
4,669 mi
7,514 km · 4,057 nm
9h 37m
estimated nonstop flight time
-6h
time difference · heading west
See live SAY→SLU fares Phone-only fares on this route — call free
Flight time details
4,669 miles nonstop takes roughly 9h 37m 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
- SAY — Siena-Ampugnano Airport · Siena, Italy
- 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 SAY
- GRS · Grosseto Air Base36 mi away
- FLR · Peretola Airport38 mi away
- PSA · Pisa International Airport52 mi away
- EBA · Marina Di Campo Airport62 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 SAY from SLU?
The flight distance from Siena (SAY) to Castries (SLU) is 4,669 miles (7,514 km, 4,057 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAY to SLU?
A nonstop flight takes about 9h 37m 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 Siena and Castries?
Castries is 6 hours behind Siena.
What is the cheapest way to fly from SAY to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAY–SLU that never appear on search engines, with no booking fees.