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SLU to CAT: distance & flight time
Castries (George F. L. Charles Airport) → Cascais (Cascais Airport)
3,564 mi
5,736 km · 3,097 nm
7h 27m
estimated nonstop flight time
+5h
time difference · heading northeast
See live SLU→CAT fares Phone-only fares on this route — call free
Flight time details
3,564 miles nonstop takes roughly 7h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SLU — George F. L. Charles Airport · Castries, Saint Lucia
- CAT — Cascais Airport · Cascais, Portugal
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is SLU from CAT?
The flight distance from Castries (SLU) to Cascais (CAT) is 3,564 miles (5,736 km, 3,097 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to CAT?
A nonstop flight takes about 7h 27m 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 Cascais?
Cascais is 5 hours ahead of Castries.
What is the cheapest way to fly from SLU to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–CAT that never appear on search engines, with no booking fees.