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Flights from Cincinnati to Porto
There are no direct flights from Cincinnati to Porto. The fastest way is one stop via Montreal or New York, about 11h 45m door to door (11 connections a week on current schedules).
No direct flights · 5 connection options From 11h 23m
Cincinnati to Porto at a glance
Fastest journey11h 23mVia Montreal, on current schedules
Nonstop flightsNoneConnect via Montreal or New York
Best ways to fly from Cincinnati to Porto
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
CVG Montreal (YUL) OPO
Leg 1: Air Canada Jazz · Leg 2: Air Canada, Air Transat
Sat14:15 CVG15:58 YUL4h 17m connection20:15 YUL07:00 OPOAir Canada Jazz + Air Canada
2Search
CVG New York (EWR) OPO
Leg 1: Allegiant Air, Republic Airlines, GoJet Airlines · Leg 2: TAP Air Portugal, United Airlines
Mon16:45 CVG18:28 EWR3h 47m connection22:15 EWR09:36 OPORepublic Airlines + United Airlines
3Search
CVG Boston (BOS) OPO
Leg 1: Delta Air Lines, Republic Airlines · Leg 2: TAP Air Portugal
Sat12:30 CVG14:23 BOS8h 52m connection23:15 BOS10:10 OPORepublic Airlines + TAP Air Portugal
4Search
CVG Paris (CDG) OPO
Leg 1: Delta Air Lines · Leg 2: Air France, Transavia France, Royal Air Maroc
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 6,239 km3,874 miles
- Journey time
- 11h 23mon current schedules
- Time difference
- +5hPorto vs Cincinnati
- Currency in Porto
- EUR
- Airports
- CVG → OPO
Flights from Cincinnati to Porto: questions answered
Are there direct flights from Cincinnati to Porto?
No. There is no nonstop service, so you will connect, most easily in Montreal, New York and Boston. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Cincinnati to Porto?
With one connection the journey usually takes around 11h 23m, depending on the layover. The straight-line distance is 6,239 km.
Where do you change planes between Cincinnati and Porto?
The best connecting points are Montreal (YUL), New York (EWR), Boston (BOS) and Paris (CDG). Compare one-ticket itineraries with self-transfer options in the search.
Which airports serve Cincinnati and Porto?
Cincinnati: Cincinnati Northern Kentucky International Airport (CVG). Porto: Francisco de Sá Carneiro Airport (OPO).
What is the time difference between Cincinnati and Porto?
Porto is 5 hours ahead of Cincinnati.





