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UIO to SLU: distance & flight time
Quito (Mariscal Sucre International Airport) → Castries (George F. L. Charles Airport)
1,538 mi
2,476 km · 1,337 nm
3h 29m
estimated nonstop flight time
+1h
time difference · heading northeast
See live UIO→SLU fares Phone-only fares on this route — call free
Flight time details
1,538 miles nonstop takes roughly 3h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- UIO — Mariscal Sucre International Airport · Quito, Ecuador
- SLU — George F. L. Charles Airport · Castries, Saint Lucia
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 UIO
- LTX · Cotopaxi International Airport57 mi away
- ATF · Chachoán Airport76 mi away
- TUA · Teniente Coronel Luis a Mantilla Airport79 mi away
- IPI · San Luis Airport83 mi away
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
Frequently asked questions
How far is UIO from SLU?
The flight distance from Quito (UIO) to Castries (SLU) is 1,538 miles (2,476 km, 1,337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UIO to SLU?
A nonstop flight takes about 3h 29m 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 Quito and Castries?
Castries is 1 hour ahead of Quito.
What is the cheapest way to fly from UIO to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UIO–SLU that never appear on search engines, with no booking fees.