CVG - OPO

$348 Find Cheap Flights from Cincinnati to Porto - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$705
Typical prices: $782-$1,196
Delta
Sat 10/27Mon 11/5
CVG - OPO • 1 stop
Cheapest one-way
$348
Typical prices: $565-$693
United Airlines
Thu 12/13
CVG - OPO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Cincinnati and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 28% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg $916 (round-trip)
Newark (EWR)
Shortest trip • 11h 52m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Cincinnati to Porto (CVG-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Cincinnati to Porto

Tue, Oct 27 - Thu, Nov 5
Delta Logo
10:10 pm - 10:00 pmCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
19h 50m1 stop Paris Charles de Gaulle
Delta Logo
5:55 am - 4:09 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
15h 14m1 stop Paris Charles de Gaulle
$705Delta
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
11:44 am - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
17h 46m1 stop Newark
United Airlines Logo
6:00 am - 5:25 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
16h 25m2 stops Frankfurt am Main Chicago O'Hare Intl
$707United Airlines
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
8:55 am - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
20h 35m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 5:25 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
16h 25m2 stops Frankfurt am Main Chicago O'Hare Intl
$711United Airlines
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
11:10 am - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
18h 20m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 7:18 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
18h 18m2 stops Frankfurt am Main Chicago O'Hare Intl
$711United Airlines
Tue, Oct 27 - Thu, Nov 5
United Airlines Logo
11:44 am - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
17h 46m1 stop Newark
United Airlines Logo
12:35 pm - 11:57 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
16h 22m1 stop Newark
$716United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
12:00 pm - 9:30 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
16h 30m1 stop Newark
United Airlines Logo
6:00 am - 10:21 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
21h 21m2 stops Frankfurt am Main Chicago O'Hare Intl
$746United Airlines
Wed, Oct 21 - Sun, Nov 1
Multiple Airlines Logo
1:55 pm - 7:00 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
12h 05m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:00 am - 11:42 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
22h 42m2 stops Frankfurt am Main Chicago O'Hare Intl
$750Multiple Airlines
Wed, Oct 21 - Sun, Nov 1
Multiple Airlines Logo
9:00 am - 7:00 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
17h 00m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:00 am - 11:42 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
22h 42m2 stops Frankfurt am Main Chicago O'Hare Intl
$755Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
Multiple Airlines Logo
8:50 am - 7:40 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
17h 50m2 stops New York John F Kennedy Intl Madrid Barajas
Multiple Airlines Logo
8:20 am - 7:18 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
15h 58m2 stops Madrid Barajas Chicago O'Hare Intl
$769Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
Delta Logo
7:00 am - 8:15 amCVG  Cincinnati Cinci./N. Kentucky-OPO Porto
20h 15m1 stop New York John F Kennedy Intl
Delta Logo
5:55 am - 4:09 pmOPO  Porto-CVG Cincinnati Cinci./N. Kentucky
15h 14m1 stop Paris Charles de Gaulle
$785Delta
Booking Insights

Price, demand and travel trends for Cincinnati to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Cincinnati to Porto with more confidence.

How much is a round-trip flight from Cincinnati to Porto?

Round-trip flights from Cincinnati to Porto start at $705. Prices are below average for this route right now, with typical round-trip fares ranging from $782 to $1,196. The lowest price found in the past 5 days was $705 on Delta.

What's the cheapest day of the week to fly from Cincinnati to Porto?

Wednesday is the cheapest day of the week to fly from Cincinnati to Porto, it is 10% cheaper than the average day. Saturday is the most expensive day with flight prices 95% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Cincinnati to Porto flights

Low season

January

Cheapest flight

$348
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from Cincinnati to Porto

When to book flights from Cincinnati to Porto

Are your dates flexible? Find out the best times to travel from Cincinnati to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Cincinnati to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Cincinnati to Porto?

    Flights from Cincinnati to Porto usually depart from Cincinnati Cinci./N. Kentucky (CVG) and arrive at Porto (OPO).

  • What cabin classes can I book on flights from Cincinnati to Porto?

    Two cabin classes are available on flights from Cincinnati to Porto:

    • Economy Class
    • Premium Economy Class

  • Which airports do connecting flights from Cincinnati to Porto pass through?

    One-stop flights from Cincinnati to Porto most commonly connect through:

    • Paris Charles de Gaulle (CDG) - 39% of one-stop connections
    • Newark (EWR) - 36% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 18% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 7% of one-stop connections

    Paris Charles de Gaulle (CDG) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Cincinnati to Porto?

    Yes. Being flexible with your travel dates can save you up to 54% on the Cincinnati to Porto route. Wednesday is the cheapest departure day at $800 round-trip on average, while Saturday is the most expensive at $1,729, a difference of $929. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • How long is a flight from Cincinnati to Porto?

    A nonstop flight from Cincinnati to Porto takes 0h 00m, covering 3,878 miles.

  • Do I need a passport to fly from Cincinnati to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Cincinnati to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $705 to $6,244. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Cincinnati to Porto looking right now?

    One-way fares from Cincinnati to Porto are currently lower than usual. Average one-way flight prices are about $460, which is 30% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Cincinnati to Porto?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 11h 52m, compared with 12h 20m via New York John F Kennedy Intl (JFK) and 12h 41m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • What is the time difference between Cincinnati and Porto?

    Porto is 5 hours ahead of Cincinnati (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    · Klass Wagen
    · Drive on Holiday
    · GREEN MOTION
    · Goldcar Rental SP
    · SURPRICE CAR RENTAL

  • How much should I expect to pay for a Cincinnati to Porto flight?

    Round-trip flights from Cincinnati to Porto range from $782 to $1,196, with an average of $886 over the past 12 months. Anything below $782 counts as a good deal.

Your guide to booking Cincinnati to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $800 - about $929 less than Saturday (54% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Cincinnati to Porto trip for November. Fares historically average $642 round-trip in that month - typically $649 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

Everything you need to know for your flight from Cincinnati to Porto

Information on your arrival and departure airports

Cincinnati (CVG)
Porto (OPO)