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SDU to CUN: distance & flight time
Rio De Janeiro (Santos Dumont Airport) → Cancun (Cancún International Airport)
4,229 mi
6,806 km · 3,675 nm
8h 46m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SDU→CUN fares Phone-only fares on this route — call free
Flight time details
4,229 miles nonstop takes roughly 8h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
- CUN — Cancún International Airport · Cancun, Mexico
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 SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 mi away
Near CUN
- ISJ · Isla Mujeres Airport17 mi away
- CZM · Cozumel International Airport36 mi away
- CZA · Chichen Itza International Airport105 mi away
Frequently asked questions
How far is SDU from CUN?
The flight distance from Rio De Janeiro (SDU) to Cancun (CUN) is 4,229 miles (6,806 km, 3,675 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDU to CUN?
A nonstop flight takes about 8h 46m 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 Rio De Janeiro and Cancun?
Cancun is 2 hours behind Rio De Janeiro.
What is the cheapest way to fly from SDU to CUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDU–CUN that never appear on search engines, with no booking fees.