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LUK to SDU: distance & flight time
Cincinnati (Cincinnati Municipal Airport Lunken Field) → Rio De Janeiro (Santos Dumont Airport)
5,046 mi
8,121 km · 4,385 nm
10h 22m
estimated nonstop flight time
+1h
time difference · heading southeast
See live LUK→SDU fares Phone-only fares on this route — call free
Flight time details
5,046 miles nonstop takes roughly 10h 22m gate to gate, flying southeast. 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
- LUK — Cincinnati Municipal Airport Lunken Field · Cincinnati, United States
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
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 LUK
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
Frequently asked questions
How far is LUK from SDU?
The flight distance from Cincinnati (LUK) to Rio De Janeiro (SDU) is 5,046 miles (8,121 km, 4,385 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LUK to SDU?
A nonstop flight takes about 10h 22m 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 Cincinnati and Rio De Janeiro?
Rio De Janeiro is 1 hour ahead of Cincinnati.
What is the cheapest way to fly from LUK to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LUK–SDU that never appear on search engines, with no booking fees.