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CUN to SLU: distance & flight time
Cancun (Cancún International Airport) → Castries (George F. L. Charles Airport)
1,770 mi
2,849 km · 1,538 nm
3h 56m
estimated nonstop flight time
+1h
time difference · heading east
See live CUN→SLU fares Phone-only fares on this route — call free
Flight time details
1,770 miles nonstop takes roughly 3h 56m gate to gate, flying east. 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
- CUN — Cancún International Airport · Cancun, Mexico
- 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 CUN
- ISJ · Isla Mujeres Airport17 mi away
- CZM · Cozumel International Airport36 mi away
- CZA · Chichen Itza International Airport105 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 CUN from SLU?
The flight distance from Cancun (CUN) to Castries (SLU) is 1,770 miles (2,849 km, 1,538 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CUN to SLU?
A nonstop flight takes about 3h 56m 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 Cancun and Castries?
Castries is 1 hour ahead of Cancun.
What is the cheapest way to fly from CUN to SLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CUN–SLU that never appear on search engines, with no booking fees.