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SLU to TRS: distance & flight time
Castries (George F. L. Charles Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
4,782 mi
7,697 km · 4,156 nm
9h 51m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SLU→TRS fares Phone-only fares on this route — call free
Flight time details
4,782 miles nonstop takes roughly 9h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- SLU — George F. L. Charles Airport · Castries, Saint Lucia
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
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 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
Near TRS
- POW · Portoroz Airport25 mi away
- AVB · Aviano Air Base44 mi away
- LJU · Ljubljana Jože Pučnik Airport55 mi away
- VCE · Venice Marco Polo Airport58 mi away
Frequently asked questions
How far is SLU from TRS?
The flight distance from Castries (SLU) to Ronchi De Legionari (TRS) is 4,782 miles (7,697 km, 4,156 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to TRS?
A nonstop flight takes about 9h 51m 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 Castries and Ronchi De Legionari?
Ronchi De Legionari is 6 hours ahead of Castries.
What is the cheapest way to fly from SLU to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–TRS that never appear on search engines, with no booking fees.