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SLU to EAS: distance & flight time
Castries (George F. L. Charles Airport) → San Sebastian (San Sebastian Airport)
4,019 mi
6,467 km · 3,492 nm
8h 21m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SLU→EAS fares Phone-only fares on this route — call free
Flight time details
4,019 miles nonstop takes roughly 8h 21m 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
- EAS — San Sebastian Airport · San Sebastian, Spain
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 EAS
- BIQ · Biarritz-Anglet-Bayonne Airport15 mi away
- PNA · Pamplona Airport41 mi away
- BIO · Bilbao Airport56 mi away
- VIT · Vitoria/Foronda Airport57 mi away
Frequently asked questions
How far is SLU from EAS?
The flight distance from Castries (SLU) to San Sebastian (EAS) is 4,019 miles (6,467 km, 3,492 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to EAS?
A nonstop flight takes about 8h 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 Castries and San Sebastian?
San Sebastian is 6 hours ahead of Castries.
What is the cheapest way to fly from SLU to EAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–EAS that never appear on search engines, with no booking fees.