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SLU to SXB: distance & flight time
Castries (George F. L. Charles Airport) → Strasbourg (Strasbourg Airport)
4,521 mi
7,276 km · 3,929 nm
9h 20m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SLU→SXB fares Phone-only fares on this route — call free
Flight time details
4,521 miles nonstop takes roughly 9h 20m 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
- SXB — Strasbourg Airport · Strasbourg, France
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 SXB
- LHA · Lahr Airport15 mi away
- FKB · Karlsruhe Baden-Baden Airport27 mi away
- CMR · Colmar-Houssen Airport32 mi away
- ZQW · Zweibrücken Airport48 mi away
Frequently asked questions
How far is SLU from SXB?
The flight distance from Castries (SLU) to Strasbourg (SXB) is 4,521 miles (7,276 km, 3,929 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to SXB?
A nonstop flight takes about 9h 20m 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 Strasbourg?
Strasbourg is 6 hours ahead of Castries.
What is the cheapest way to fly from SLU to SXB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–SXB that never appear on search engines, with no booking fees.