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SLU to BIO: distance & flight time
Castries (George F. L. Charles Airport) → Bilbao (Bilbao Airport)
3,963 mi
6,377 km · 3,444 nm
8h 14m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SLU→BIO fares Phone-only fares on this route — call free
Flight time details
3,963 miles nonstop takes roughly 8h 14m 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
- BIO — Bilbao Airport · Bilbao, 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 BIO
- VIT · Vitoria/Foronda Airport30 mi away
- SDR · Santander Airport47 mi away
- EAS · San Sebastian Airport56 mi away
- RJL · Logroño-Agoncillo Airport65 mi away
Frequently asked questions
How far is SLU from BIO?
The flight distance from Castries (SLU) to Bilbao (BIO) is 3,963 miles (6,377 km, 3,444 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLU to BIO?
A nonstop flight takes about 8h 14m 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 Bilbao?
Bilbao is 6 hours ahead of Castries.
What is the cheapest way to fly from SLU to BIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLU–BIO that never appear on search engines, with no booking fees.