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OSI to SLU: distance & flight time
Osijek (Osijek Airport) → Castries (George F. L. Charles Airport)
5,041 mi
8,112 km · 4,380 nm
10h 21m
estimated nonstop flight time
-6h
time difference · heading west
See live OSI→SLU fares Phone-only fares on this route — call free
Flight time details
5,041 miles nonstop takes roughly 10h 21m 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
- OSI — Osijek Airport · Osijek, Croatia
- 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 OSI
- PEV · Pécs-Pogány Airport46 mi away
- QND · Cenej Airport50 mi away
- TZL · Tuzla International Airport69 mi away
- TZR · Taszár Air Base77 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 OSI from SLU?
The flight distance from Osijek (OSI) to Castries (SLU) is 5,041 miles (8,112 km, 4,380 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSI to SLU?
A nonstop flight takes about 10h 21m 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 Osijek and Castries?
Castries is 6 hours behind Osijek.
What is the cheapest way to fly from OSI to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSI–SLU that never appear on search engines, with no booking fees.