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OSY to SLU: distance & flight time
Namsos (Namsos Høknesøra Airport) → Castries (George F. L. Charles Airport)
4,829 mi
7,771 km · 4,196 nm
9h 56m
estimated nonstop flight time
-6h
time difference · heading west
See live OSY→SLU fares Phone-only fares on this route — call free
Flight time details
4,829 miles nonstop takes roughly 9h 56m 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
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- 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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 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 OSY from SLU?
The flight distance from Namsos (OSY) to Castries (SLU) is 4,829 miles (7,771 km, 4,196 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to SLU?
A nonstop flight takes about 9h 56m 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 Namsos and Castries?
Castries is 6 hours behind Namsos.
What is the cheapest way to fly from OSY to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–SLU that never appear on search engines, with no booking fees.