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SLU to QLS: distance & flight time
Castries (George F. L. Charles Airport) → Lausanne (Lausanne-Blécherette Airport)
4,459 mi
7,175 km · 3,874 nm
9h 13m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SLU→QLS fares Phone-only fares on this route — call free
Flight time details
4,459 miles nonstop takes roughly 9h 13m 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
- QLS — Lausanne-Blécherette Airport · Lausanne, Switzerland
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 QLS
- QNJ · Annemasse Airport30 mi away
- QNC · Neuchatel Airport31 mi away
- GVA · Geneva Cointrin International Airport32 mi away
- SIR · Sion Airport41 mi away
Frequently asked questions
How far is SLU from QLS?
The flight distance from Castries (SLU) to Lausanne (QLS) is 4,459 miles (7,175 km, 3,874 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to QLS?
A nonstop flight takes about 9h 13m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SLU to QLS?
Nonstop service on SLU–QLS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 13m nonstop estimate.
What is the time difference between Castries and Lausanne?
Lausanne is 6 hours ahead of Castries.
What is the cheapest way to fly from SLU to QLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–QLS that never appear on search engines, with no booking fees.
Why are some SLU to QLS fares phone-only?
Consolidator contracts let us sell certain SLU–QLS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.