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CVG to OPO: distance & flight time
Cincinnati (Cincinnati Northern Kentucky International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,881 mi
6,246 km · 3,372 nm
8h 5m
estimated nonstop flight time
+5h
time difference · heading northeast
See live CVG→OPO fares Phone-only fares on this route — call free
Flight time details
3,881 miles nonstop takes roughly 8h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- CVG — Cincinnati Northern Kentucky International Airport · Cincinnati, United States
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
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 CVG
- LUK · Cincinnati Municipal Airport Lunken Field14 mi away
- HAO · Butler Co Regional Airport - Hogan Field23 mi away
- MGY · Dayton-Wright Brothers Airport44 mi away
- ILN · Wilmington Airpark54 mi away
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Frequently asked questions
How far is CVG from OPO?
The flight distance from Cincinnati (CVG) to Porto (OPO) is 3,881 miles (6,246 km, 3,372 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CVG to OPO?
A nonstop flight takes about 8h 5m 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 Porto?
Porto is 5 hours ahead of Cincinnati.
What is the cheapest way to fly from CVG to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CVG–OPO that never appear on search engines, with no booking fees.